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18NM SSE Gloucester MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 6:32 am EDT Mar 29, 2026
Forecast Valid: 8am EDT Mar 29, 2026-6pm EDT Apr 4, 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH

Today

W wind 12 to 15 kt becoming SSW in the afternoon. Winds could gust as high as 21 kt. Sunny. Seas around 2 ft.

Tonight

SSW wind 17 to 19 kt. Increasing clouds. Seas around 3 ft.

Monday

SSW wind around 18 kt. Mostly cloudy. Seas around 3 ft.

Monday Night

SW wind 12 to 16 kt. Mostly cloudy. Seas 2 to 3 ft.

Tuesday

S wind 12 to 17 kt. A chance of rain, mainly between 8am and 2pm. Seas around 2 ft.

Tuesday Night

SSW wind 20 to 24 kt. A chance of rain, with thunderstorms also possible after 11pm. Seas 3 to 4 ft.

Wednesday

SSW wind 22 to 24 kt. A chance of rain after 2pm. Seas around 4 ft.

Wednesday Night

W wind around 20 kt becoming N after midnight. Rain likely before 5am, then rain and snow likely. Seas around 3 ft.

Thursday

NE wind 17 to 21 kt. Rain and snow likely, mainly before 9am. Seas around 4 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.