NWS Forecast for: 18NM NNE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 10:44 pm EDT Apr 24, 2024
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Overnight

Clear
NNW 10kt
< 1ft
Low: 29 °F
Thursday

Sunny
Winds IncreasingSSE 10kt
< 1ft
High: 46 °F
Thursday
Night

Clear
S 10kt
< 1ft
Low: 28 °F
Friday

Sunny
Light Wind
< 1ft
High: 54 °F
Friday
Night

Mostly Clear
Light Wind
< 1ft
Low: 34 °F
Saturday

Mostly Sunny
Light Wind
< 1ft
High: 58 °F
Saturday
Night

Mostly Cloudy
Light Wind
< 1ft
Low: 41 °F
Sunday

Mostly Cloudy
Light Wind
< 1ft
High: 61 °F
Sunday
Night

Mostly Cloudy
Light Wind
< 1ft
Low: 47 °F


Overnight: NNW wind 5 to 10 kt. Clear. Seas 1 ft or less.

Thursday: Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas 1 ft or less.

Thursday Night: S wind 5 to 10 kt becoming NNW after midnight. Clear. Seas 1 ft or less.

Friday: Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Friday Night: Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.

Saturday: Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Saturday Night: Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Sunday: Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.

Sunday Night: Variable winds 5 kt or less. Mostly cloudy. Seas 1 ft or less.



Marine Point Forecast: 43.31°N 70.57°W
Associated Zone Forecast which includes this point

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