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]
  • This
    Afternoon

    Sunny

    SSW 10kt
    1ft

    High: 49 °F

  • Tonight

    Clear

    SW 10kt
    1ft

    Low: 38 °F

  • Monday

    Sunny

    Winds IncreasingS 10kt
    1ft

    High: 49 °F

  • Monday
    Night

    Clear

    S 15kt
    2-3ft

    Low: 41 °F

  • Tuesday

    Sunny

    S 15kt
    2-3ft

    High: 49 °F

  • Tuesday
    Night

    Mostly Cloudy

    S 15kt
    5ftWaves Subsiding

    Low: 43 °F

  • Wednesday

    Rain

    SE 15kt
    3-4ft

    High: 48 °F

  • Wednesday
    Night

    Rain

    SE 15kt
    Waves Building7ft

    Low: 44 °F

  • Thursday

    Chance Showers

    S 10kt
    6-7ft

    High: 49 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:56 am EDT Apr 22, 2018
Forecast Valid: 1pm EDT Apr 22, 2018-6pm EDT Apr 28, 2018

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Detailed Forecast


Synopsis: ANZ100-230230- 830 AM EDT Sun Apr 22 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure centered over the Great Lakes will build east across the waters through Tuesday before exiting into the maritimes. Low pressure will move north from the Carolinas Wednesday then move into the Gulf of Maine Thursday. $$

This Afternoon
W wind around 10 kt becoming SSW. Sunny. Seas around 1 ft.
Tonight
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
S wind 10 to 15 kt. Clear. Seas 2 to 3 ft.
Tuesday
SW wind 10 to 15 kt becoming S in the afternoon. Sunny. Seas 2 to 3 ft.
Tuesday Night
S wind 10 to 15 kt, with gusts as high as 25 kt. Mostly cloudy. Seas 5 ft subsiding to 3 ft.
Wednesday
SE wind 10 to 15 kt. Rain, mainly after 9am. Seas 3 to 4 ft.
Wednesday Night
SE wind 10 to 15 kt, with gusts as high as 20 kt. Rain. Seas 5 ft building to 7 ft.
Thursday
S wind around 10 kt. A chance of showers. Seas 6 to 7 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: 7:56 am EDT Apr 22, 2018
Forecast Valid: 1pm EDT Apr 22, 2018-6pm EDT Apr 28, 2018
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