Threat For Heavy Rainfall And Flash Flooding Continues From The Mid South To The Mid Atlantic; Critical Fire Weather Over The Western U.S.

A slow moving low pressure system will bring a continued threat for heavy rainfall and flooding from portions of the Mid South to the Ohio Valley and Mid Atlantic through midweek. Some areas could see locally significant flooding. Out west,very dry humidity combined with gusty winds will lead to a continued threat for critical fire weather and dry thunderstorms.
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Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today

SE 20kt
6ft
High: 62 °F
Tonight

SSE 25kt
10ft
Low: 62 °F

Gale Warning
Wednesday

S 20kt
6-7ft
High: 68 °F
Wednesday
Night
SSW 20kt
6-7ft
Low: 57 °F
Thursday

N 15kt
6ft
High: 62 °F
Thursday
Night
Light Wind
3-4ft
Low: 56 °F
Friday

Light Wind
3ft
High: 62 °F
Friday
Night
SW 10kt
3ft
Low: 58 °F
Saturday

WNW 10kt
3ft
High: 63 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:23 am EDT Sep 25, 2018
Forecast Valid: 7am EDT Sep 25, 2018-6pm EDT Oct 1, 2018

View Nearby Observations

Detailed Forecast

Synopsis: ANZ100-252130- 318 AM EDT Tue Sep 25 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A warm front will approach from the southwest today and will lift into northern Maine Tuesday night. Low pressure will move northeast through central Quebec on Wednesday and will drive a trailing cold front through the region Wednesday night. High pressure will build in from the west on Thursday and will hold over the area on Friday. && $$

Today

SE wind 15 to 20 kt. Rain, mainly after 2pm. Seas 4 ft building to 6 ft.

Tonight

SSE wind 20 to 25 kt becoming S 15 to 20 kt after midnight. Winds could gust as high as 35 kt. Rain, mainly before 2am. Seas 10 ft subsiding to 8 ft.

Wednesday

S wind 15 to 20 kt. A chance of showers before 2pm. Seas 6 to 7 ft.

Wednesday Night

SSW wind 15 to 20 kt becoming W after midnight. Showers and thunderstorms likely before 2am, then a chance of showers between 2am and 4am. Seas 6 to 7 ft.

Thursday

N wind 10 to 15 kt becoming NE in the afternoon. Partly sunny. Seas 6 ft subsiding to 4 ft.

Thursday Night

Variable winds 5 kt or less. Mostly cloudy. Seas 3 to 4 ft.

Friday

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

Friday Night

SSW wind around 10 kt becoming W after midnight. Mostly clear. Seas around 3 ft.

Saturday

WNW wind 5 to 10 kt becoming WSW in the afternoon. Sunny. Seas around 3 ft.

Winds and seas higher in and near tstms.

*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.