Severe Thunderstorms, Heavy Rain, Gusty Winds, And Flooding Potential From The Southeast U.S. To The Appalachians and Mid Atlantic Region

A slow moving low pressure system will track from the southern U.S. to the Mid Atlantic and Northeast early this week. The system will bring widespread rain, locally heavy from the Deep South to the Mid Atlantic Region. Localized flooding will be possible. In addition, the potential exists for strong to severe thunderstorms capable of damaging wind particularly over the Southeast U.S. into Monday.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    S 10kt
    1ft

    High: 47 °F

  • Tonight

    Clear

    S 15kt
    2-3ft

    Low: 39 °F

  • Tuesday

    Sunny

    S 15kt
    3ft

    High: 49 °F

  • Tuesday
    Night

    Increasing Clouds

    S 15ktWinds Decreasing
    3-4ft

    Low: 43 °F

  • Wednesday

    Rain

    SE 10kt
    2-3ft

    High: 47 °F

  • Wednesday
    Night

    Rain

    SE 15kt
    Waves Building7ft

    Low: 44 °F

  • Thursday

    Chance Showers

    SSW 15kt
    6-7ft

    High: 50 °F

  • Thursday
    Night

    Partly Cloudy

    WSW 15kt
    5-6ft

    Low: 44 °F

  • Friday

    Mostly Sunny

    S 10kt
    5ft

    High: 50 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 7:16 am EDT Apr 23, 2018
Forecast Valid: 10am EDT Apr 23, 2018-6pm EDT Apr 29, 2018

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Detailed Forecast


Synopsis: ANZ100-240115- 714 AM EDT Mon Apr 23 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure crosses southern New England and moves into the Gulf of Maine today before shifting eastward into the Atlantic tonight. The next low pressure system will develop over the Carolina coast on Tuesday, moving north toward New England on Wednesday with a cold front crossing the Gulf of Maine on Thursday. Brief high pressure brings quieter weather on Friday before the next frontal system arrives Saturday. $$

Today
NNW wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas around 1 ft.
Tonight
S wind 10 to 15 kt. Clear. Seas 2 to 3 ft.
Tuesday
S wind 10 to 15 kt. Sunny. Seas around 3 ft.
Tuesday Night
S wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Increasing clouds. Seas 3 to 4 ft.
Wednesday
SE wind around 10 kt. Rain, mainly after 10am. Seas 2 to 3 ft.
Wednesday Night
SE wind 10 to 15 kt, with gusts as high as 20 kt. Rain. Patchy fog. Seas 5 ft building to 7 ft.
Thursday
SSW wind 10 to 15 kt. A chance of showers. Seas 6 to 7 ft.
Thursday Night
WSW wind 10 to 15 kt. Partly cloudy. Seas 5 to 6 ft.
Friday
WSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 5 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: 7:16 am EDT Apr 23, 2018
Forecast Valid: 10am EDT Apr 23, 2018-6pm EDT Apr 29, 2018
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