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

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NW 10kt
    1-2ft

    Low: 37 °F

  • Sunday

    Sunny

    NW 10kt
    1ft

    High: 47 °F

  • Sunday
    Night

    Clear

    SW 10kt
    1ft

    Low: 37 °F

  • Monday

    Sunny

    Winds IncreasingS 10kt
    1ft

    High: 46 °F

  • Monday
    Night

    Clear

    SW 15kt
    2ft

    Low: 41 °F

  • Tuesday

    Sunny

    S 15kt
    2ft

    High: 49 °F

  • Tuesday
    Night

    Mostly Cloudy

    SSW 15kt
    3-4ft

    Low: 43 °F

  • Wednesday

    Rain Likely

    SE 15kt
    3ft

    High: 48 °F

  • Wednesday
    Night

    Rain Likely

    E 10kt
    5-6ft

    Low: 44 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:27 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 10 kt. Clear. Seas 1 to 2 ft.
Sunday
NW wind around 10 kt becoming SSW in the afternoon. Sunny. Seas around 1 ft.
Sunday Night
SW wind 5 to 10 kt becoming NNW after midnight. Clear. Seas around 1 ft.
Monday
SW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 1 ft.
Monday Night
SW wind 10 to 15 kt. Clear. Seas around 2 ft.
Tuesday
S wind 10 to 15 kt. Sunny. Seas around 2 ft.
Tuesday Night
SSW wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 3 to 4 ft.
Wednesday
S wind 10 to 15 kt becoming SE in the afternoon. Rain likely. Seas around 3 ft.
Wednesday Night
E wind around 10 kt. Rain likely. Seas 5 to 6 ft.

*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: 43.18°N 70.24°W
Last Update: 10:27 pm EDT Apr 21, 2018
Forecast Valid: 11pm EDT Apr 21, 2018-6pm EDT Apr 28, 2018
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