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18NM SSE Gloucester MA

[NOTICE]

High and low forecast temperature values represent air temperature.

Last Update: 5:15 pm EDT Apr 9, 2026
Forecast Valid: 5pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT FRIDAY...

Tonight

SSW wind 14 to 17 kt decreasing to 11 to 14 kt after midnight. Partly cloudy. Seas around 2 ft.

Friday

SSW wind 10 to 15 kt. Mostly sunny. Seas 2 to 3 ft.

Friday Night

SSW wind 15 to 19 kt. A chance of showers, mainly after 1am. Seas around 4 ft.

Saturday

NW wind 11 to 15 kt. A slight chance of showers before 7am. Seas around 4 ft.

Saturday Night

NNW wind 9 to 13 kt. Mostly clear. Seas around 4 ft.

Sunday

NW wind 5 to 10 kt becoming SSE in the afternoon. Mostly sunny. Seas around 3 ft.

Sunday Night

S wind 16 to 20 kt. A chance of showers after 11pm. Seas around 3 ft.

Monday

SSW wind 21 to 23 kt. A chance of showers. Seas around 4 ft.

Monday Night

WSW wind 17 to 20 kt. Mostly cloudy. Seas 3 to 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.