NWS Forecast for: 18NM NNE Portsmouth NH
Atlantic Ocean

Issued by: National Weather Service Gray/Portland, ME
Last Update: 10:33 pm EDT Apr 19, 2024
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Overnight

Scattered Showers
S 15km/h
< 1m
Low: 6 °C
Saturday

Showers
SW 15km/h
< 1m
High: 14 °C
Saturday
Night

Scattered Showers
W 15km/h
1m
Low: 3 °C
Sunday

Increasing Clouds
WSW 20km/h
< 1m
High: 13 °C
Sunday
Night

Mostly Clear
WSW 20km/h
< 1m
Low: 3 °C
Monday

Sunny
WNW 25km/h
< 1m
High: 11 °C
Monday
Night

Mostly Clear
NW 15km/h
< 1m
Low: 0 °C
Tuesday

Mostly Sunny
Winds IncreasingS 25km/h
< 1m
High: 12 °C
Tuesday
Night

Mostly Cloudy
S 25km/h
< 1m
Low: 5 °C
Overnight: S wind around 15 km/h, with gusts as high as 30 km/h. Scattered showers, mainly after 4am. Seas 1 m or less.

Saturday: SW wind 10 to 15 km/h. Showers, mainly before 2pm. Seas 1 m or less.

Saturday Night: W wind around 15 km/h, with gusts as high as 40 km/h. Scattered showers, mainly before 8pm. Seas around 1 m.

Sunday: W wind 15 to 20 km/h becoming WSW in the afternoon. Winds could gust as high as 35 km/h. Increasing clouds. Seas 1 m or less.

Sunday Night: WSW wind 15 to 20 km/h, with gusts as high as 35 km/h. Mostly clear. Seas 1 m or less.

Monday: WNW wind 20 to 25 km/h, with gusts as high as 40 km/h. Sunny. Seas 1 m or less.

Monday Night: NW wind 10 to 15 km/h. Mostly clear. Seas 1 m or less.

Tuesday: SSW wind 10 to 15 km/h becoming S 20 to 25 km/h. Winds could gust as high as 40 km/h. Mostly sunny. Seas 1 m or less.

Tuesday Night: S wind 20 to 25 km/h, with gusts as high as 40 km/h. Mostly cloudy. Seas 1 m or less.



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

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