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Coastal Marine Zone Forecasts by the Boston, MA Forecast Office


Click on the links in the table to get a forecast for each zone. Clicking on the map links to a text forecast that includes all zones (except zones ANZ270, ANZ271, ANZ272 and ANZ273) and a synopsis. 


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  

map showing marine forecast zones near Boston, MA

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

Surf Zone Forecast

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.

NWS Internet is available 24 hours a day, seven days a week . Timely delivery of data and products through the Internet is not guaranteed. Official NWS dissemination systems which can provide timely delivery of data and products are listed in our DISCLAIMER

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.