Note: Forecasts for zones ANZ270, ANZ271, ANZ272 and ANZ273 are provided by the Ocean Prediction Center and considered offshore zones for marine forecasts. The WFO Boston, MA only issues short term warnings for zones ANZ270, ANZ271, ANZ272 and ANZ273. Clicking on zone ANZ270 links to the forecast for offshore zone ANZ800-Gulf of Maine to the Hague Line, clicking on ANZ271 links to the forecast for ANZ805-Georges Bank between Cape Cod and 68W north of 1000 FM, and ANZ272 and ANZ273 link to the forecast for ANZ810-South of New England between the Great South Channel and Montauk Point to 1000 FM.
| Zone Name | Zone Name | Zone Name |
| ANZ230: Boston Harbor | ANZ236: Narragansett Bay | ANZ256: Coastal Waters from Montauk NY to Martha's Vineyard extending out to 20NM South of Block Island |
| ANZ231: Cape Cod Bay | ANZ237: Block Island Sound | ANZ270: Ocean Waters from Merrimack River to Plymouth from 40 to 60 NM offshore |
| ANZ232: Nantucket Sound | ANZ250: Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary | ANZ271: Ocean Waters from Provincetown to Nantucket from 20 to 35 NM Offshore |
| ANZ233: Vineyard Sound | ANZ251: Massachusetts Bay and Ipswich Bay | ANZ272: Ocean Waters from Martha's Vineyard to Nantucket from 25 to 45 NM offshore |
| ANZ234: Buzzards Bay | ANZ254: Coastal Waters from Provincetown MA to Chatham MA to Nantucket out 20 NM | ANZ273: Ocean Waters from Montauk NY to Martha's Vineyard from 25 to 40 NM offshore |
| ANZ235: Rhode Island Sound | ANZ255: Coastal Waters out to 25 NM South of Martha's Vineyard and Nantucket |
Coastal Waters Forecast which includes the synopsis and all these zones
Special Marine Warning(s) and Marine Weather Statement(s) for these zones
Marine Weather Message for these zones
Graphical Marine Forecasts are available here. Choose the map background and forecast element and zoom in to your area of interest.
Predicted Tides and Currents for these areas
Coastal Waters Forecasts are subdivided by zone, each identified by text description and a Universal Generic Code (UGC). The different colors used in the map above have no meaning and are only intended to assist in differentiating the zones.
These forecasts are also available via e-mail
NOTICE - Check time and date of forecasts. Linked data may not represent the latest forecast.
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Visit the Boston, MA Forecast Office which provides links to additional products as well as regionally focused information such as point-specific marine forecasts, predicted tides and buoy observations.
Text Interface Version of this page.
