Heavy Rain Expected in the Northeast; Strong Thunderstorms Possible in Texas

A slow-moving low pressure center will shift into the Northeast today, bringing heavy rain to some areas, especially coastal Maine. The rain combined with snowmelt has increased the threat for flooding in parts of New England. At the southern end of the front, isolated strong-to-severe thunderstorms are possible in the Rio Grande Valley in Texas today.

For More Weather Information:

Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

  • This


    ESE 10kt

    High: 48 °F

  • Tonight

    Heavy Rain

    SE 15ktWinds Decreasing

    Low: 45 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Showers Likely

    Winds IncreasingSSW 10kt

    High: 54 °F

    Small Craft Advisory
    Small Craft Advisory

  • Thursday

    Partly Cloudy

    W 15kt

    Low: 44 °F

  • Friday

    Mostly Sunny

    S 10kt

    High: 51 °F

  • Friday

    Chance Showers

    SSE 10kt

    Low: 44 °F

  • Saturday

    Partly Sunny

    S 10kt

    High: 53 °F

  • Saturday

    Mostly Cloudy

    SW 10kt

    Low: 43 °F

  • Sunday

    Mostly Sunny

    W 10kt

    High: 50 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:32 am EDT Apr 25, 2018
Forecast Valid: 1pm EDT Apr 25, 2018-6pm EDT May 1, 2018

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Detailed Forecast

Synopsis: ANZ100-260445- 1036 AM EDT Wed Apr 25 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Low pressure moves north toward New England today. As the low moves through northern New England on Thursday it will send a cold front eastward across the Gulf of Maine with high pressure building behind it through Friday morning. The next low may track up the East Coast and toward the Gulf of Maine as early as Friday night with a stronger cold front arriving on Saturday. $$

This Afternoon
ESE wind around 10 kt. Occasional rain. Seas around 3 ft.
SE wind 12 to 15 kt decreasing to 10 to 13 kt after midnight. Winds could gust as high as 25 kt. Rain. The rain could be heavy at times. Patchy fog. Seas 5 to 6 ft.
SSE wind 5 to 8 kt becoming SSW 7 to 10 kt in the afternoon. Showers likely, mainly before 8am. Areas of fog before 10am. Seas around 7 ft.
Thursday Night
W wind 10 to 15 kt. Partly cloudy. Seas around 6 ft.
WSW wind 5 to 10 kt becoming S in the afternoon. Mostly sunny. Seas around 5 ft.
Friday Night
SSE wind 5 to 10 kt. A chance of showers. Seas 4 to 5 ft.
S wind 5 to 10 kt. Partly sunny. Seas 5 to 6 ft.
Saturday Night
SW wind around 10 kt becoming W after midnight. Mostly cloudy. Seas 4 to 5 ft.
W wind around 10 kt. Mostly sunny. Seas 3 to 4 ft.


  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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Point Forecast: 43.36°N 70.28°W
Last Update: 10:32 am EDT Apr 25, 2018
Forecast Valid: 1pm EDT Apr 25, 2018-6pm EDT May 1, 2018
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