Series of Storms to Impact the West Coast

Powerful Pacific storms will keep conditions wet and windy for much of the West, especially, from northern California to western Washington. Heavy rains may produce flooding early to mid week. Heavy snow will make travel difficult from the Cascades to the northern Rockies. Snow showers continue near the Great Lakes, otherwise, dry conditions and gusty winds can be expected for much of the East.
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Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

20NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]

Overnight

NNE 25kt
10ft
Low: 37 °F
Monday

NNE 20kt
10ft
High: 38 °F
Monday
Night
NW 30kt
6-7ft
Low: 28 °F

Gale Warning
Tuesday

NW 25kt
6ft
High: 30 °F

Gale Warning
Tuesday
Night
WNW 25kt
4ft
Low: 23 °F
Wednesday

WNW 10kt
1-2ft
High: 37 °F
Wednesday
Night
W 10kt
1ft
Low: 32 °F
Thursday

WSW 10kt
1ft
High: 43 °F
Thursday
Night
SE 10kt
1ft
Low: 40 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 11:48 pm EST Dec 16, 2018
Forecast Valid: 1am EST Dec 17, 2018-6pm EST Dec 23, 2018

View Nearby Observations

Detailed Forecast

Synopsis: ANZ100-171915- 1203 AM EST Mon Dec 17 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure moves east of the waters overnight. Winds increase Monday night as an Arctic cold front drops in from the northwest. Northwesterly flow will continue through Tuesday and into Wednesday before the next system arrives at the end of the week. && $$

Overnight

NNE wind around 25 kt, with gusts as high as 30 kt. Rain. Seas 8 ft building to 10 ft.

Monday

NNE wind 15 to 20 kt becoming NW in the afternoon. Rain, mainly before 10am. Seas 10 ft subsiding to 7 ft.

Monday Night

NW wind 20 to 25 kt increasing to 25 to 30 kt after midnight. Winds could gust as high as 40 kt. Mostly cloudy. Seas 6 to 7 ft.

Tuesday

NW wind around 25 kt, with gusts as high as 40 kt. Partly sunny, then gradually becoming sunny. Seas 6 ft subsiding to 4 ft.

Tuesday Night

WNW wind 20 to 25 kt decreasing to 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Mostly clear. Seas 4 ft subsiding to 2 ft.

Wednesday

WNW wind around 10 kt becoming WSW in the afternoon. Mostly sunny. Seas 1 to 2 ft.

Wednesday Night

W wind around 10 kt. Partly cloudy. Seas around 1 ft.

Thursday

WSW wind around 10 kt becoming SSW in the afternoon. Partly sunny. Seas around 1 ft.

Thursday Night

S wind around 10 kt becoming SE after midnight. A chance of rain. Seas around 1 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.