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***  EXPERIMENTAL - NOT FOR OPERATIONAL USE   ***

 

Experimental Surf Forecast Matrix
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What's This?
Product Description Document

 

In the tabs below you can view Surf Forecast Matrices for various beaches over the Boston/Norton, MA forecast area.  This product is experimental and not intended to be substituted for the official Surf Zone Forecast, which can be viewed HERE.  Additional information on this project and variable definitions can be found HERE. We are seeking feedback on this over the next several months, so please send us your input via an online survey.

The Rip Probabilities included in the matrices below are from a rip current forecast model tied to NOAA's Nearshore Wave Prediction System. This model predicts the probabilities of hazardous rip currents occurring using output from the nearshore wave model and predicted tide levels. Values are calculated from 0-100%, hourly through 144 hours.

 

 

Barnstable,  MA  East  Coast

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      MOD  MOD  MOD  MOD                      MOD  MOD  MOD
RIP PROBABILITY    74   97   85   45   80   99   98   80   81   98   95   59   47   89   95   80
SURF HEIGHT (FT)    2    3    3    3    2    2    2    2    2    2    2    2    2    3    3    3
DOM PERIOD (S)     10   10   10   11   11    9    9    9    9    8    8    5    9   14   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0   10   10   30   30   40   50   50   40
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD MCLR MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        44   41   39   36   35   35   36   37   37   36   37   39   41   44   48   51
HEAT INDEX                                                                                      
WIND (MPH)       NW13 NW14  N16  N15  N12  N12 NE10  NE8  SE7  SE9  S12  S15  S17  S18  S21 SW22
WIND GUST          23   24   23   21   18                  12   14        22   26   28   31   33


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY    20   49    2   30    3   21    2   34   11   25    8   28   17
SURF HEIGHT (FT)    3    2    2    1    1    1    1    2    2    2    2    2    2
DOM PERIOD (S)     13   12    8    8    7    7    7    6    5    6    9   11   10
CHANCE PRECIP      20   40   40   20    0    0    0   10   50   80   80   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD  CLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD  CLD MCLD
TEMPERATURE        51   49   49   49   49   45   42   43   42   41   43   47   47
HEAT INDEX                                                                       
WIND (MPH)       SW21 SW16  W10  NW9  NW7   N9 NE10  E10 SE10 SE12 SE13 SW13 SW12
WIND GUST          31   23   17   15   12   15   17   16   16   18   20   20   18

 
Nantucket,  MA  East  Coast

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      MOD  MOD  MOD  MOD                      MOD  MOD  MOD
RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    3    3    3    3    3    2    2    2    2    2    2    2    3    3    3    4
DOM PERIOD (S)     10   10    9    9    9    9    9    9    9    7    6    5    5    5   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5    5   20   10   20   40   30   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD PCLD PCLD MCLD  CLD  CLD  CLD MCLD  CLD  CLD
TEMPERATURE        45   43   41   38   36   37   37   37   37   38   39   41   43   45   49   51
HEAT INDEX                                                                                      
WIND (MPH)        N14  N13  N16  N16  N13  N13 NE12   E9  SE8 SE10 SE13 SE16 SE18  S20  S23  S24
WIND GUST          21   21   23   21   18                                 22   25   26   30   32


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    4    3    3    2    2    2    2    2    2    2    2    2    3
DOM PERIOD (S)     14   14    8    7    7    7    7    7    6    6    7   12    6
CHANCE PRECIP      20   50   50   30    5    0    0   10   50   80   70   40   20
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD  CLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD  CLD MCLD
TEMPERATURE        50   49   48   49   49   46   44   44   43   43   45   48   47
HEAT INDEX                                                                       
WIND (MPH)       SW23 SW18  W13  W10   W8   N9 NE12  E13  E13 SE14 SE14 SW15 SW15
WIND GUST          31   24                                                21     

 
Nantucket,  MA  South  Coast

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      MOD  MOD  MOD  MOD                      MOD  MOD  MOD
RIP PROBABILITY    99   97   95   96   98   96   90   92   92   83   66   79   90   94   96   98
SURF HEIGHT (FT)    3    3    3    3    3    2    2    2    2    2    2    2    3    3    3    4
DOM PERIOD (S)     10    9    9    9    9    9    9    9    9    8   10    5    5    5    9   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5    5   20   10   20   30   30   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD PCLD PCLD MCLD  CLD  CLD  CLD MCLD  CLD  CLD
TEMPERATURE        45   43   41   38   36   36   38   39   38   38   39   40   42   45   49   51
HEAT INDEX                                                                                      
WIND (MPH)        N13  N12  N15  N16  N14 NE13 NE12   E9  SE9 SE12 SE13 SE16 SE18  S21  S23  S24
WIND GUST          18   18   22                       14                  23   25   26   31   33


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY    27   27   26   25   25   21   19   19   11    9   12   21   22
SURF HEIGHT (FT)    4    4    3    2    2    2    2    2    2    2    2    3    3
DOM PERIOD (S)     14   14    8    7    7    7    7    7   10    6    7   14    6
CHANCE PRECIP      20   50   50   30    5    0    0   10   50   80   60   40   20
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD  CLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD  CLD MCLD
TEMPERATURE        50   49   47   50   48   46   43   44   43   43   45   48   47
HEAT INDEX                                                                       
WIND (MPH)       SW24 SW18  W13  W12   W9   N9 NE12  E13  E13 SE14 SE15 SW16 SW15
WIND GUST          32   25                                           20   22   20

 
Dukes,  MA

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY    99   96   92   97   98   95   89   94   95   89   79   92   97   98   97   99
SURF HEIGHT (FT)    2    2    2    2    2    2    2    1    1    2    2    2    2    3    3    3
DOM PERIOD (S)      9    9    9    9    9    9    9    9    9   14    9    0    0    0   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5   10   20   20   30   40   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD MCLR PCLD MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        48   44   40   36   34   35   39   40   40   38   39   41   43   46   50   51
HEAT INDEX                                                                                      
WIND (MPH)        NW9   N9  N14  N15  N14  N12 NE10  E10 SE10 SE13 SE15 SE17  S20  S23  S24 SW25
WIND GUST          14   16                                                23   25   29   31   33


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY    20   18   17   15   16   12   11   12    9    9   11   16   14
SURF HEIGHT (FT)    4    3    2    2    2    1    1    1    1    2    2    2    2
DOM PERIOD (S)     14   14    8    7    7    7    7   10   12   13   12   13    9
CHANCE PRECIP      20   40   50   30    5    0    0   20   60   80   70   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD  CLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        51   49   48   51   51   47   44   45   44   43   45   49   49
HEAT INDEX                                                                       
WIND (MPH)       SW24 SW20  W13  W12   W9   N9 NE12  E14  E14 SE14 SE15 SW15 SW14
WIND GUST          32   25                                                20   20

 
Southern  Bristol,  MA

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  LOW                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    1    1    1    1    1    1    1    1    1    1    1    1    1    2    2    2
DOM PERIOD (S)      9    9    9    9    9    9    9    9    9    0    0    0    0    0   14    0
CHANCE PRECIP       0    0    0    0    0    0    0    0    5   20   30   30   40   50   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR  CLR MCLR PCLD PCLD MCLR PCLD MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        50   43   38   33   31   32   39   41   41   38   39   40   42   46   50   52
HEAT INDEX                                                                                      
WIND (MPH)        NW9   N8   N9  N10   N9   N9  NE8  SE9  SE9 SE10  S12  S14  S16  S18  S21 SW22
WIND GUST          15   15   17   17   15   14             14   15   17   22   24   28   31   33


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    2    2    1    1    1    1    1    1    1    1    1    1    1
DOM PERIOD (S)     14   14    8    7    7    7    7    7   10   13   12   13    6
CHANCE PRECIP      10   40   40   20    0    0    0   20   60   80   70   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        53   51   51   54   55   48   43   46   44   42   44   50   51
HEAT INDEX                                                                       
WIND (MPH)       SW22 SW15   W9   W8   W8   N7  NE9  E12 SE12 SE10 SE10 SW12 SW12
WIND GUST          31   22   15   13        12   14        17   16   16   18   17

 
Newport,  RI

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    2    2    2    2    2    2    2    1    1    1    2    2    2    2    3    3
DOM PERIOD (S)      9    9    9    9    9    9    9    9    9    0    8    0    1    0   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5   20   20   30   40   50   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR MCLR PCLD PCLD MCLR MCLR MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        50   44   39   35   33   33   39   41   41   39   40   41   43   46   50   52
HEAT INDEX                                                                                      
WIND (MPH)       NW10   N9  N12  N12  N10  N10   E8  SE9 SE10 SE12 SE13  S15  S16  S18  S21 SW22
WIND GUST          16   15   17        16   15             15   17   18   23   24   26   30   32


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    3    3    2    2    2    1    1    1    1    2    2    2    2
DOM PERIOD (S)     14   14    8    7    7    7    7    7   10   13   12   13   11
CHANCE PRECIP      10   40   40   20    0    0    0   30   60   80   70   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        52   52   52   54   56   49   44   46   44   43   45   50   51
HEAT INDEX                                                                       
WIND (MPH)       SW21 SW15   W9   W9   W9   N8 NE10  E12  E13  E12 SE12 SW13 SW13
WIND GUST          30   22   14             13                                   

 
Washington,  RI

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  LOW                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY    98   95   89   95   97   95   85   89   92   84   62   77   90   93   89   94
SURF HEIGHT (FT)    1    1    1    1    1    1    1    1    1    1    1    1    1    1    2    2
DOM PERIOD (S)      9    9    9    9    9    9    9    9    9    1    8    0    0    0   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5   20   20   40   40   50   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR MCLR PCLD PCLD MCLR MCLR MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        51   44   39   34   32   32   39   42   41   39   39   40   43   46   51   53
HEAT INDEX                                                                                      
WIND (MPH)        NW9   N7   N8   N8   N8  NE8  NE7  SE9  SE9  SE9 SE10  S13  S13  S14  S16 SW17
WIND GUST          16   14   15   14   14   14   12        15   16   17   22   22   24   28   30


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY    36   33   33   30   29   23   19   20   12   14   14   24   18
SURF HEIGHT (FT)    2    2    1    1    1    1    1    1    1    1    1    1    1
DOM PERIOD (S)     14   11    8    7    7    7    8    8   10   13   10   10   11
CHANCE PRECIP      10   30   40   20    0    0    0   30   60   80   60   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD  CLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        54   53   52   55   57   48   43   46   44   42   44   51   53
HEAT INDEX                                                                       
WIND (MPH)       SW16 SW10   W7  NW7   W7   N6  NE7   E9  SE9   E8  SE8  SW9  SW9
WIND GUST          28   21   13   13   13   12   14   15   16   14   15   16   17

 
Block  Island,  RI

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  MOD                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    4    4    4    3    3    3    3    2    3    3    3    3    4    4    5    5
DOM PERIOD (S)      9    9    9    9    9    9    9    9    9   14   15   15   15   14   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    0    5   10   10   30   40   40   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR MCLR PCLD PCLD MCLR MCLR MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        48   45   42   39   37   35   38   40   40   40   41   42   44   47   50   51
HEAT INDEX                                                                                      
WIND (MPH)       NW12 NW12  N13  N13  N13 NE14 NE10 SE10 SE13 SE14 SE15 SE17  S18  S20  S21 SW22
WIND GUST               18   18                  15   15             21   24   25   28   30   32


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     0    0    0    0    0    0    0    0    0    0    0    0    0
SURF HEIGHT (FT)    6    5    4    3    3    2    2    2    3    3    3    3    4
DOM PERIOD (S)     14   14    7    7    7    7    7    8   10   11   12   13    8
CHANCE PRECIP      10   40   50   30    5    0    0   30   60   70   60   40   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD MCLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        51   49   49   50   51   48   45   45   44   43   45   48   49
HEAT INDEX                                                                       
WIND (MPH)       SW22 SW18  W12  W10  W10  N10 NE13  E14  E14  E13 SE13 SW14 SW14
WIND GUST          32   24                                                       

 
Eastern  Plymouth,  MA

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  LOW                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY    22   85   40    8   37   95   84   18   26   88   72    8   12   73   78    7
SURF HEIGHT (FT)    2    2    2    2    2    1    1    1    1    1    1    2    2    2    2    2
DOM PERIOD (S)     10   11   11   11   12   12    6    9    6    5    9    5   15   14   12   12
CHANCE PRECIP       0    0    0    0    0    0    0    0   10   30   40   40   50   50   60   40
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD PCLD MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        47   42   37   34   32   33   37   38   39   38   37   39   41   44   51   55
HEAT INDEX                                                                                      
WIND (MPH)       NW13 NW13 NW14  N13  N10   N9  NE8   E8  SE9  S10  S10  S13  S15  S16  S20 SW21
WIND GUST          21   21   21   21   17   15   13        14   16   17   21   24   25   30   32


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     1    5    0    4    0    5    0   24    4   25    2   16    3
SURF HEIGHT (FT)    2    2    1    1    1    1    1    1    1    2    2    2    1
DOM PERIOD (S)      8    8    8    8    7    7    7    6    9   13   10    6    7
CHANCE PRECIP      20   30   30   20    0    0    0   20   60   80   80   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLD  CLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        56   54   53   53   56   47   42   44   43   41   43   49   50
HEAT INDEX                                                                       
WIND (MPH)       SW18 SW13   W9  NW9  NW7   N8  NE9  E10 SE10 SE10 SE10 SW10  SW9
WIND GUST          29   21   16   15   13   15   16   16   16   17   17   18   16

 
Suffolk  and  Eastern  Norfolk,  MA

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  LOW                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY    22   85   40    8   37   95   84   18   26   88   72    8   12   73   78    7
SURF HEIGHT (FT)    1    1    1    1    1    1    1    1    1    1    1    1    1    2    2    2
DOM PERIOD (S)     10   11   11   11   12   12    8    9    6    5    9    5   15   14   12   12
CHANCE PRECIP       0    0    0    0    0    0    0    0   10   30   40   50   50   50   60   40
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD PCLD MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        47   42   37   34   32   33   37   38   39   38   38   39   41   44   51   55
HEAT INDEX                                                                                      
WIND (MPH)       NW14 NW13 NW14 NW13  N10   N9  NE8   E8  SE9 SE10  S10  S13  S14  S15  S18 SW20
WIND GUST          21   21   21   20   16   14   13   13   14   16   17   21   23   24   29   31


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     0    4    0    3    0    4    0   17    3   18    1   11    2
SURF HEIGHT (FT)    2    1    1    1    1    1    1    1    1    1    1    1    1
DOM PERIOD (S)      8    8    8    8    7    7    7    8   11   13   10    6    7
CHANCE PRECIP      10   30   30   10    0    0    0   20   60   80   80   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLD  CLD  CLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        57   56   54   54   57   48   43   44   43   41   43   49   51
HEAT INDEX                                                                       
WIND (MPH)       SW18 SW12   W9  NW9  NW8  NW8  NE9  E10 SE10 SE10  SE9 SW10  SW9
WIND GUST          29   21   16   15   14   15   15   16   16   16   16   17   16

 
Eastern  Essex,  MA

DATE               TUE 04/01      WED 04/02                               THU 04/03
EDT 3HRLY          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14

RIP CURRENT RISK  LOW                      LOW  LOW  LOW  LOW                      MOD  MOD  MOD
RIP PROBABILITY    73   99   85   36   72   99   93   34   47   94   84   22   33   96   97   71
SURF HEIGHT (FT)    2    2    2    1    1    1    1    1    1    1    1    2    2    2    2    3
DOM PERIOD (S)     10   10   10   10   10    9    9    9    9    5   15   15   15   14   14   14
CHANCE PRECIP       0    0    0    0    0    0    0    5   10   40   50   60   60   60   60   40
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER      MCLR MCLR MCLR PCLD PCLD PCLD PCLD PCLD MCLD  CLD  CLD  CLD  CLD  CLD  CLD  CLD
TEMPERATURE        46   40   35   32   31   31   35   37   38   38   37   38   39   42   48   54
HEAT INDEX                                                                                      
WIND (MPH)       NW15 NW15 NW14 NW13  N10   N9  NE7  SE7 SE10 SE12  S13  S14  S16  S15  S16 SW18
WIND GUST          23   23   22   20   16   14             15   18   20   22   24   24   26   29


DATE                         FRI 04/04           SAT 04/05           SUN 04/06
EDT 6HRLY          17   23   05   11   17   23   05   11   17   23   05   11   17

RIP PROBABILITY     9   27    1   20    1   14    1   23    2   16    1   18    7
SURF HEIGHT (FT)    2    2    1    1    1    1    1    1    1    2    2    2    2
DOM PERIOD (S)     14   13    8    8    7    7    7   10   12   13    9    6    9
CHANCE PRECIP      10   20   20   10    0    0    0   20   60   80   80   50   30
TSTM POTENTIAL   NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
CLOUD COVER       CLD MCLD MCLD MCLD PCLD PCLD PCLD MCLD MCLD  CLD  CLD MCLD MCLD
TEMPERATURE        56   55   52   52   55   46   41   43   42   40   41   46   49
HEAT INDEX                                                                       
WIND (MPH)       SW16 SW12  W10   W9  NW9  NW9  NE8   E9 SE10 SE10 SE10   W9  SW9
WIND GUST          26   20   17   16   15   16   14   15   17   17   16   16   15