National Weather Service United States Department of Commerce

Current Regional Radar

Current Hazards

 

 

Current Forecast


265
FZUS63 KDTX 170201
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
958 PM EDT Sun Mar 16 2025

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...High pressure, 30.20 inches, builds into the region on
Monday affording quieter marine conditions. Low pressure then
develops over the Plains and will be the focus for another active
period of weather mid-week.

LHZ361-362-170800-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
958 PM EDT Sun Mar 16 2025

.REST OF TONIGHT...Northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight. A
chance of snow this evening. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.MONDAY...North winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then veering to the southeast early in the
afternoon increasing to 10 to 15 knots late in the afternoon.
Waves 3 to 5 feet subsiding to 1 to 3 feet in the afternoon.
.MONDAY NIGHT...Southeast winds 15 to 20 knots. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.TUESDAY...South winds 10 to 15 knots backing to the east early
in the afternoon. Waves 4 to 6 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Waves 4 to
6 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then becoming north 20 to 25 knots
late in the evening. A chance of rain...then rain late in the
afternoon. Snow likely late in the evening. Waves 5 to 7 feet
building to 8 to 12 feet late in the evening. Waves occasionally
around 15 feet.
.THURSDAY...Southwest winds to 30 knots veering to the northwest
with gusts to 35 knot gales until early evening...then decreasing
to 20 to 25 knots in the late evening and early morning. Rain
likely early in the morning. A chance of snow early in the
morning. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and early afternoon...then backing
to the south until early morning. Waves 4 to 6 feet. Waves
occasionally around 8 feet.


$$

LHZ363-462-170800-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
958 PM EDT Sun Mar 16 2025

.REST OF TONIGHT...Northwest winds 15 to 20 knots. A chance of
snow. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.MONDAY...Northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and early afternoon...then backing
to the south late in the afternoon. Waves 4 to 6 feet subsiding
to 1 to 3 feet late in the afternoon. Waves occasionally around
8 feet.
.MONDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. Waves 2 to 4 feet
building to 4 to 6 feet after midnight. Waves occasionally around
8 feet.
.TUESDAY...South winds 10 to 15 knots. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots after midnight. Waves 4 to 6 feet. Waves
occasionally around 8 feet.
.WEDNESDAY...South winds 15 to 20 knots increasing to 20 to
25 knots late in the evening. Rain late in the afternoon. Rain
likely late in the evening. Waves 5 to 7 feet building to 6 to
9 feet late in the evening. Waves occasionally around 12 feet.
.THURSDAY...South winds to 30 knots veering to the northwest
until early evening...then decreasing to 20 to 25 knots in the
late evening and early morning. Rain likely early in the morning.
A chance of snow early in the morning. Waves 8 to 12 feet. Waves
occasionally around 15 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots in the late morning and early afternoon...then backing
to the south until early morning. Waves 5 to 7 feet subsiding to
2 to 4 feet in the late evening and early morning. Waves
occasionally around 10 feet.


$$

LHZ463-464-170800-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
958 PM EDT Sun Mar 16 2025

.REST OF TONIGHT...Northwest winds 15 to 20 knots. A chance of
snow. Waves 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...Northwest winds 10 to 15 knots decreasing to 5 to
10 knots early in the afternoon...then veering to the east late
in the afternoon. Waves 4 to 6 feet subsiding to 2 to 4 feet late
in the afternoon. Waves occasionally around 8 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots becoming south
15 to 20 knots in the late evening and overnight. Waves 1 to
3 feet building to 3 to 5 feet in the late evening and overnight.
.TUESDAY...South winds 15 to 20 knots decreasing to 10 to
15 knots in the late morning and afternoon. Waves 3 to 5 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots in the late evening and overnight. Waves 4 to
6 feet. Waves occasionally around 8 feet.
.WEDNESDAY...South winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots late in the afternoon.
Rain likely late in the afternoon. Waves 5 to 7 feet building to
6 to 9 feet late in the evening. Waves occasionally around
12 feet.
.THURSDAY...South winds to 30 knots veering to the west until
early evening...then becoming northwest 20 to 25 knots in the
late evening and early morning. Snow likely early in the morning.
Rain likely early in the morning. A chance of snow until early
evening. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming southwest 10 to
15 knots early in the evening...then backing to the south in the
late evening and early morning. Waves 5 to 7 feet subsiding to
2 to 4 feet in the late evening and early morning. Waves
occasionally around 10 feet.

Wave heights are for ice free areas.

$$

LHZ461-170800-
MAFOR 1703/
HURON NORTH 11730 11720 11810 11100 11300 11410 12420. A
chance of snow late this evening. Waves 6 to 9 feet subsiding to
4 to 6 feet. Occasional wave height around 12 feet overnight.
Waves 2 to 4 feet subsiding to 2 feet or less Monday. Waves 2 to
4 feet Monday evening.

HURON SOUTH 13720 11810 11700 11500 11310 11410. A chance of
snow overnight. Waves 6 to 9 feet. Occasional wave height around
12 feet overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet
Monday. Waves 1 to 3 feet Monday evening.

$$

CB

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)


Forecast Time Series for Southern Lake Huron

Wind Speed Possibilities

 

Wind Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

f03

f04

f05

f06

f07

f08

f09

f10

f11

f12

f13

f14

f15

f16

f17

f18

f24

f27

f30

f33

f36

 

 

Wind Gust Possibilities

 

Gust Direction and Speed Possibilities

Forecast hourly 18 hours - 3 hourly to 36 hours

 

f01

f02

f03

f04

f05

f06

f07

f08

f09

f10

f11

f12

f13

f14

f15

f16

f17

f18

f24

f27

f30

f33

f36

 

(click to enlarge)

Wave Heights

Now-15 hours

Significant

Occasional

(top 10%)

Wave Heights

18-60 hours

Significant

Occasional

(top 10%)

Wave Height Frequency Distribution

Significant Wave Probabilities

Water Level

St Clair River Currents

 

 

General Forecast Time Series Days 3-7

(click to enlarge)

 

Prototype: Under Development: Not to be relied on for Operational Decision Making.