Thunderstorms and Flooding Along the Gulf Coast; Winter Returns in the Central Rockies

A stalled front along the west-central Gulf Coast will contribute to a few severe thunderstorms and heavy rain with flooding over the next couple of days. Meanwhile, a vigorous system will produce heavy snow across the central Rockies into the High Plains the next few days. Finally, critical fire weather conditions are expected across the Four Corners region through Thursday.
Read More...

En Español

Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

10NM S Portsmouth NH

Marine Point Forecast

[NOTICE]

Today

ESE 10kt
3ft
High: 47 °F
Tonight

ENE 15kt
5ft
Low: 39 °F
Friday

ENE 25kt
8ft
High: 42 °F
Friday
Night
NNE 25kt
8-9ft
Low: 36 °F
Saturday

N 15kt
7ft
High: 45 °F
Saturday
Night
Light Wind
5-6ft
Low: 39 °F
Sunday

Light Wind
3-4ft
High: 48 °F
Sunday
Night
Light Wind
3ft
Low: 42 °F
Monday

Light Wind
2ft
High: 54 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:41 am EDT Apr 15, 2021
Forecast Valid: 6am EDT Apr 15, 2021-6pm EDT Apr 21, 2021

View Nearby Observations

Detailed Forecast

Synopsis: ANZ100-152130- 324 AM EDT Thu Apr 15 2021 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure emerges off the Mid Atlantic coast today and tracks toward Cape Cod tonight. As it does so, an east to northeast wind will strengthen across the Gulf of Maine. Low pressure stalls near Cape Cod on Friday before pulling away on Saturday. Expect lighter winds through early next week as broad high pressure moves through the area. $$

Today

ESE wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. A slight chance of rain after 4pm. Seas around 3 ft.

Tonight

ENE wind 10 to 15 kt, with gusts as high as 25 kt. Rain, mainly after 10pm. Seas 3 ft building to 5 ft.

Friday

ENE wind around 25 kt, with gusts as high as 35 kt. Rain. Seas 6 ft building to 8 ft.

Friday Night

NNE wind 20 to 25 kt, with gusts as high as 30 kt. Rain before 5am, then a chance of rain and snow. Seas 8 to 9 ft.

Saturday

N wind 10 to 15 kt, with gusts as high as 20 kt. A chance of rain and snow before 7am, then a chance of rain between 7am and 2pm. Seas around 7 ft.

Saturday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 5 to 6 ft.

Sunday

Variable winds 5 kt or less. Partly sunny. Seas 3 to 4 ft.

Sunday Night

Variable winds 5 kt or less. Mostly cloudy. Seas around 3 ft.

Monday

Variable winds 5 kt or less. Mostly sunny. Seas around 2 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.