Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]

Overnight

NNE 10kt
2ft
Low: 53 °F
Sunday

Light Wind
1ft
High: 63 °F
Sunday
Night
NNE 15kt
1-2ft
Low: 47 °F
Monday

NE 15kt
4ft
High: 54 °F
Monday
Night
E 10kt
3-4ft
Low: 50 °F
Tuesday

SE 15kt
3ft
High: 62 °F
Tuesday
Night
S 15kt
5-6ft
Low: 61 °F
Wednesday

S 15kt
5ft
High: 68 °F
Wednesday
Night
SSW 10kt
6ft
Low: 60 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 9:41 pm EDT Sep 22, 2018
Forecast Valid: 11pm EDT Sep 22, 2018-6pm EDT Sep 29, 2018

View Nearby Observations

Detailed Forecast

Synopsis: ANZ100-231545- 942 PM EDT Sat Sep 22 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure over the Great Lakes will build into the region tonight before being replaced by a stronger area of high pressure that will arrive from Canada late Sunday. This high will remain over the northeast through Monday before moving east into the Canadian Maritimes and allowing a warm front to move over the waters on Tuesday followed by a cold front late Wednesday. && $$

Overnight

NNE wind around 10 kt. Partly cloudy. Seas around 2 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

SW wind 5 to 8 kt becoming NNE 10 to 15 kt after midnight. Winds could gust as high as 20 kt. Partly cloudy. Seas 1 to 2 ft.

Monday

NE wind 12 to 15 kt becoming ENE 10 to 13 kt in the afternoon. Winds could gust as high as 20 kt. Sunny. Seas around 4 ft.

Monday Night

E wind around 10 kt. Mostly clear. Seas 3 to 4 ft.

Tuesday

SE wind 10 to 15 kt. Showers likely, mainly after 2pm. Seas around 3 ft.

Tuesday Night

S wind around 15 kt, with gusts as high as 25 kt. Rain. Seas 5 to 6 ft.

Wednesday

S wind around 15 kt. Showers. Seas around 5 ft.

Wednesday Night

SSW wind around 10 kt becoming W after midnight. Showers. Seas around 6 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.