Heavy Rain and Severe Thunderstorms Possible in the Lower Mississippi Valley & Southeast

A few severe thunderstorms are possible over Texas, the lower Mississippi Valley, and Southeast into Sunday. Locally heavy rainfall and flash flooding may also occur in these areas. Elsewhere, rain and higher elevation snow will develop from Idaho into western Montana by Sunday evening, followed by cooling temperatures and a changeover to snow for most of the northern Rockies by Monday.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NW 15km/h
    < 1m

    Low: 2 °C

  • Sunday

    Sunny

    NW 15km/h
    < 1m

    High: 9 °C

  • Sunday
    Night

    Clear

    WNW 15km/h
    < 1m

    Low: 3 °C

  • Monday

    Sunny

    Winds IncreasingS 20km/h
    < 1m

    High: 9 °C

  • Monday
    Night

    Mostly Clear

    SW 25km/h
    1m

    Low: 4 °C

  • Tuesday

    Sunny

    Winds IncreasingS 25km/h
    1m

    High: 11 °C

  • Tuesday
    Night

    Mostly Cloudy

    SSW 30km/hWinds Decreasing
    1m

    Low: 7 °C

  • Wednesday

    Rain Likely

    SSE 20km/h
    1m

    High: 9 °C

  • Wednesday
    Night

    Rain Likely

    ESE 20km/hWinds Decreasing
    2m

    Low: 7 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:46 pm EDT Apr 21, 2018
Forecast Valid: 11pm EDT Apr 21, 2018-6pm EDT Apr 28, 2018

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Detailed Forecast


Synopsis: ANZ100-221615- 1007 PM EDT Sat Apr 21 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure builds in for Sunday with sunny and warmer weather continuing into early next week. Low pressure will move north from the Carolinas Wednesday and will move into the Gulf of Maine Thursday. $$

Overnight
NW wind around 15 km/h. Clear. Seas 1 m or less.
Sunday
NW wind around 15 km/h becoming SW in the afternoon. Sunny. Seas 1 m or less.
Sunday Night
W wind 10 to 15 km/h becoming NNW after midnight. Clear. Seas 1 m or less.
Monday
WSW wind 10 to 15 km/h becoming S 15 to 20 km/h in the afternoon. Sunny. Seas 1 m or less.
Monday Night
SW wind 20 to 25 km/h. Mostly clear. Seas around 1 m.
Tuesday
S wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 35 km/h. Sunny. Seas around 1 m.
Tuesday Night
SSW wind 25 to 30 km/h decreasing to 20 to 25 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. Seas around 1 m.
Wednesday
S wind 15 to 20 km/h becoming SE in the afternoon. Winds could gust as high as 30 km/h. Rain likely. Seas around 1 m.
Wednesday Night
ESE wind 17 to 20 km/h becoming E 15 to 18 km/h after midnight. Winds could gust as high as 30 km/h. Rain likely. Seas around 2 m.

*Notices:

  1. 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.
  2. 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.
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ABOUT THIS FORECAST

Point Forecast: 43.36°N 70.28°W
Last Update: 6:46 pm EDT Apr 21, 2018
Forecast Valid: 11pm EDT Apr 21, 2018-6pm EDT Apr 28, 2018
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