Scorching Heat West and South-Central; Monsoon Threats; Areas of Heavy Rain

Excessive heat continues in the West and South-Central U.S. Temperatures heat up in the west next week with 90s and 100s north to as high as 127 in the desert. Monsoon flow also continues with threats of flash floods, dust storms, and dry thunderstorms. A low system may produce excessive rain to portions of the Middle Atlantic. Areas of heavy rain from the Gulf to the Great Lakes.
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Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Tonight

    Showers

    E 10kt
    Waves Building4ft

    Low: 61 °F

  • Sunday

    Heavy Rain

    SE 15kt
    4-5ft

    High: 70 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Showers Likely

    SSE 15kt
    5ft

    Low: 69 °F

    Small Craft Advisory
    Small Craft Advisory

  • Monday

    Heavy Rain

    S 15kt
    4-5ft

    High: 70 °F

  • Monday
    Night

    Mostly Cloudy

    S 15kt
    4ft

    Low: 67 °F

  • Tuesday

    Partly Sunny

    S 15kt
    3-4ft

    High: 70 °F

  • Tuesday
    Night

    Partly Cloudy

    S 15kt
    4ft

    Low: 65 °F

  • Wednesday

    Partly Sunny

    S 15kt
    3ft

    High: 70 °F

  • Wednesday
    Night

    Chance Showers

    S 15kt
    4ft

    Low: 66 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:03 pm EDT Jul 21, 2018
Forecast Valid: 6pm EDT Jul 21, 2018-6pm EDT Jul 28, 2018

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Detailed Forecast


Synopsis: ANZ100-220945- 340 PM EDT Sat Jul 21 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... An area of low pressure with an associated warm front will approach from the south tonight and will lift north into the region on Sunday. A southerly warm and humid air mass will prevail behind the front early next week. $$

Tonight
E wind 5 to 10 kt becoming SE in the evening. Showers, mainly after 4am. Patchy fog after 8pm. Seas 2 ft building to 4 ft.
Sunday
E wind 10 to 15 kt becoming SSE in the afternoon. Winds could gust as high as 20 kt. Showers and possibly a thunderstorm before 5pm, then a chance of showers. Some of the storms could produce heavy rainfall. Areas of fog. Seas 4 to 5 ft.
Sunday Night
SSE wind around 15 kt. A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers after 5am. Areas of fog. Seas around 5 ft.
Monday
S wind 10 to 15 kt. A chance of showers before 1pm. The rain could be heavy at times. Areas of fog. Seas 4 to 5 ft.
Monday Night
S wind 10 to 15 kt. Mostly cloudy. Seas around 4 ft.
Tuesday
S wind 10 to 15 kt. Partly sunny. Seas 3 to 4 ft.
Tuesday Night
S wind 10 to 15 kt. Partly cloudy. Seas around 4 ft.
Wednesday
S wind 10 to 15 kt. Partly sunny. Seas around 3 ft.
Wednesday Night
S wind 10 to 15 kt, with gusts as high as 20 kt. A chance of showers. Seas around 4 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: 43.36°N 70.28°W
Last Update: 3:03 pm EDT Jul 21, 2018
Forecast Valid: 6pm EDT Jul 21, 2018-6pm EDT Jul 28, 2018
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