Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect.
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Hazardous Weather Conditions

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Gray/Portland, ME Local Forecast Office

12NM NNW Gloucester MA

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Showers

    Light Wind
    3ftWaves Subsiding

    Low: 43 °F

  • Wednesday

    Decreasing Clouds

    Light Wind
    < 1ft

    High: 49 °F

  • Wednesday
    Night

    Partly Cloudy

    SSE 10kt
    < 1ft

    Low: 43 °F

  • Thursday

    Mostly Cloudy

    Winds IncreasingE 10kt
    3ft

    High: 48 °F

  • Thursday
    Night

    Rain Likely

    ENE 15kt
    3-4ft

    Low: 39 °F

  • Friday

    Rain

    ENE 20kt
    Waves Building7ft

    High: 43 °F

  • Friday
    Night

    Rain Likely

    NNE 15kt
    7-8ft

    Low: 39 °F

  • Saturday

    Showers Likely

    N 15kt
    7-8ft

    High: 47 °F

  • Saturday
    Night

    Mostly Cloudy

    Light Wind
    6-7ft

    Low: 40 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:18 pm EDT Apr 13, 2021
Forecast Valid: 5pm EDT Apr 13, 2021-6pm EDT Apr 20, 2021

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Detailed Forecast


Synopsis: ANZ100-140930- 322 PM EDT Tue Apr 13 2021 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A weak high pressure ridge axis will remain over the area through Thursday with generally light winds over the waters. Low pressure will take shape south of New England late Thursday before strengthening south of the Gulf of Maine on Friday with gale force winds becoming increasingly likely. This low will begin to move east...away from the waters on Saturday. $$

Tonight
Variable winds 5 kt or less. Isolated showers after 2am. Seas 3 ft subsiding to 1 ft or less.
Wednesday
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming sunny. Seas 1 ft or less.
Wednesday Night
SSE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.
Thursday
E wind 5 to 8 kt increasing to 7 to 10 kt in the afternoon. Mostly cloudy. Seas around 3 ft.
Thursday Night
ENE wind 10 to 15 kt, with gusts as high as 25 kt. Rain likely, mainly after 8pm. Seas 3 to 4 ft.
Friday
ENE wind around 20 kt, with gusts as high as 30 kt. Rain. Seas 5 ft building to 7 ft.
Friday Night
NNE wind around 15 kt, with gusts as high as 25 kt. Rain likely. Seas 7 to 8 ft.
Saturday
N wind 10 to 15 kt, with gusts as high as 20 kt. Showers likely. Seas 7 to 8 ft.
Saturday Night
Variable winds 5 kt or less. Mostly cloudy. 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: 42.81°N 70.78°W
Last Update: 2:18 pm EDT Apr 13, 2021
Forecast Valid: 5pm EDT Apr 13, 2021-6pm EDT Apr 20, 2021
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