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

8NM ENE Portland ME

Marine Point Forecast

[NOTICE]
  • Overnight

    Clear

    NNW 10km/h
    < 1m

    Low: 3 °C

  • Monday

    Sunny

    Winds IncreasingS 15km/h
    < 1m

    High: 11 °C

  • Monday
    Night

    Clear

    SSW 20km/h
    1m

    Low: 3 °C

  • Tuesday

    Sunny

    Winds IncreasingS 25km/h
    1m

    High: 13 °C

  • Tuesday
    Night

    Mostly Cloudy

    SSW 25km/hWinds Decreasing
    < 1m

    Low: 6 °C

  • Wednesday

    Rain

    ESE 15km/h
    < 1m

    High: 9 °C

  • Wednesday
    Night

    Rain

    ESE 20km/hWinds Decreasing
    < 1m

    Low: 7 °C

  • Thursday

    Chance Showers

    S 20km/h
    1m

    High: 12 °C

  • Thursday
    Night

    Partly Cloudy

    WSW 15km/h
    < 1m

    Low: 7 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:18 am EDT Apr 23, 2018
Forecast Valid: 4am EDT Apr 23, 2018-6pm EDT Apr 29, 2018

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Detailed Forecast


Synopsis: ANZ100-232130- 317 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. $$

Overnight
NNW wind around 10 km/h. Clear. Seas 1 m or less.
Monday
NNW wind 10 to 13 km/h becoming S 12 to 15 km/h in the afternoon. Sunny. Seas 1 m or less.
Monday Night
SSW wind 15 to 20 km/h. 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 20 to 25 km/h decreasing to 15 to 20 km/h after midnight. Winds could gust as high as 35 km/h. Mostly cloudy. Seas 1 m or less.
Wednesday
ESE wind 10 to 15 km/h. Rain, mainly after 11am. Seas 1 m or less.
Wednesday Night
ESE wind 17 to 20 km/h decreasing to 15 to 18 km/h after midnight. Rain. Patchy fog. Seas 1 m or less.
Thursday
S wind 15 to 20 km/h. A chance of showers. Seas around 1 m.
Thursday Night
WSW wind around 15 km/h. Partly cloudy. Seas 1 m or less.

*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: 43.73°N 70.1°W
Last Update: 3:18 am EDT Apr 23, 2018
Forecast Valid: 4am EDT Apr 23, 2018-6pm EDT Apr 29, 2018
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