Locally Heavy Rain The Next Few Days; Inclement Weather Returns To Northwest Late In The Week

Locally heavy rainfall is expected the next few days in multiple areas of the Lower 48. Today rain is expected across the East, then on Wednesday in the southern Plains and Lower Mississippi Valley and finally on Thursday across the Ohio Valley. Meanwhile, a very inclement weather pattern will take shape late week into the weekend for the Northwest, West Coast and much of the West.
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Gray/Portland, ME Local Forecast Office

3NM SE Portsmouth NH

Marine Point Forecast

[NOTICE]

This
Afternoon
SE 20km/h
< 1m
High: 11 °C
Tonight

ESE 20km/h
< 1m
Low: 8 °C
Wednesday

SSE 15km/h
< 1m
High: 10 °C
Wednesday
Night
NW 15km/h
< 1m
Low: 7 °C
Thursday

NW 25km/h
< 1m
High: 10 °C
Thursday
Night
NNW 25km/h
< 1m
Low: 1 °C
Friday

N 25km/h
< 1m
High: 6 °C
Friday
Night
NNE 30km/h
< 1m
Low: 3 °C
Saturday

NNE 30km/h
< 1m
High: 4 °C

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:26 pm EST Dec 6, 2022
Forecast Valid: 3pm EST Dec 6, 2022-6pm EST Dec 12, 2022

View Nearby Observations

Detailed Forecast

Synopsis: ANZ100-071000- 249 PM EST Tue Dec 6 2022 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM. High pressure over the Canadian Maritimes continues onshore flow through the middle of the week with rain showers and fog developing over the waters tonight and tomorrow as low pressure approaches from the west. This low pressure system slowly moves over the waters Wednesday night, departing east Thursday, with a return of high pressure late in the week. Seas are expected to build going into the weekend as a northeast flow develops. $$

This Afternoon

SE wind around 20 km/h, with gusts as high as 35 km/h. A slight chance of rain after 5pm. Seas 1 m or less.

Tonight

ESE wind 15 to 20 km/h, with gusts as high as 35 km/h. Rain, mainly after 9pm. Patchy fog after 4am. Seas 1 m or less.

Wednesday

SSE wind 10 to 15 km/h, with gusts as high as 30 km/h. Rain. Patchy fog. Seas 1 m or less.

Wednesday Night

SW wind 10 to 13 km/h becoming NW 12 to 15 km/h after midnight. Showers likely before 1am. Patchy fog before 3am. Seas 1 m or less.

Thursday

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

Thursday Night

NNW wind around 25 km/h, with gusts as high as 40 km/h. Mostly clear. Seas 1 m or less.

Friday

N wind around 25 km/h, with gusts as high as 50 km/h. Mostly sunny. Seas 1 m or less.

Friday Night

NNE wind 25 to 30 km/h, with gusts as high as 50 km/h. A chance of showers. Seas 1 m or less.

Saturday

NNE wind 25 to 30 km/h, with gusts as high as 50 km/h. A chance of showers. Seas 1 m 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.