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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 65 °F
Light Wind
1-2ft
Tonight
Low: 53 °F
Light Wind
2ft
Saturday
High: 57 °F
NNE 10kt
2ft
Saturday Night
Low: 46 °F
NW 10kt
2ft
Sunday
High: 56 °F
WNW 15kt
2ft
Sunday Night
Low: 45 °F
WSW 10kt
2ft
Monday
High: 54 °F
W 10kt
2ft
Monday Night
Low: 42 °F
W 10kt
2ft
Tuesday
High: 58 °F
SW 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:11 am EST Nov 6, 2026
Forecast Valid: 11am EST Nov 6, 2026-6pm EST Nov 12, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. Patchy fog. Seas 1 to 2 ft.

Tonight

Variable winds 5 kt or less. Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Patchy fog before 11pm. Seas around 2 ft.

Saturday

NNE wind 5 to 10 kt. Rain likely and possibly a thunderstorm before 2pm, then a chance of rain. Seas around 2 ft.

Saturday Night

N wind 5 to 10 kt becoming NW after midnight. Rain, mainly after midnight. Seas around 2 ft.

Sunday

WNW wind 10 to 15 kt. Rain likely before 9am. Seas around 2 ft.

Sunday Night

WSW wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Monday

WSW wind around 10 kt becoming WNW in the afternoon. Mostly sunny. Seas around 2 ft.

Monday Night

W wind 5 to 10 kt. Partly cloudy. Seas around 2 ft.

Tuesday

SW wind 5 to 10 kt. Mostly sunny. Seas around 2 ft.

Winds and seas higher in and near tstms.

*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.