Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

5NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]

This Afternoon
High: 37 °F
ENE 20kt
4-5ft
Tonight
Low: 22 °F
⇑W 20kt
5ft
Washington's Birthday
High: 26 °F
W 25kt
4-5ft
Monday Night
Low: 15 °F
W 25kt
4ft
Tuesday
High: 23 °F
W 20kt
2ft
Tuesday Night
Low: 11 °F
WNW 15kt
1ft
Wednesday
High: 27 °F
WNW 10kt
1ft
Wednesday Night
Low: 16 °F
WNW 10kt
< 1ft
Thursday
High: 29 °F
N 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:40 am EST Feb 16, 2025
Forecast Valid: 12pm EST Feb 16, 2025-6pm EST Feb 22, 2025

View Nearby Observations

Detailed Forecast

This Afternoon

ENE wind around 20 kt, with gusts as high as 30 kt. Rain. Seas 4 to 5 ft.

Tonight

NE wind 15 to 18 kt becoming W 17 to 20 kt in the evening. Winds could gust as high as 30 kt. Rain, mainly before 8pm. Widespread freezing spray after 4am. Seas around 5 ft.

Washington's Birthday

W wind 20 to 25 kt, with gusts as high as 35 kt. Widespread freezing spray before 2pm. Mostly sunny. Seas 4 to 5 ft.

Monday Night

W wind 20 to 25 kt, with gusts as high as 35 kt. Widespread freezing spray. Mostly clear. Seas 4 ft subsiding to 2 ft.

Tuesday

W wind 15 to 20 kt, with gusts as high as 30 kt. Widespread freezing spray. Mostly sunny. Seas around 2 ft.

Tuesday Night

WNW wind around 15 kt, with gusts as high as 25 kt. Widespread freezing spray. Partly cloudy. Seas around 1 ft.

Wednesday

WNW wind around 10 kt. Widespread freezing spray before noon. Sunny. Seas around 1 ft.

Wednesday Night

WNW wind 5 to 10 kt becoming N after midnight. Widespread freezing spray after 5am. Mostly cloudy. Seas 1 ft or less.

Thursday

N wind around 10 kt. A chance of snow showers. Widespread freezing spray before 9am. Seas 1 ft or less.

*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.