Western Heat and Monsoon Continues; Increasing Moisture in the East

High pressure continues to produce excessive heat and critical fire weather conditions for portions of the west, with heavy rains and potential for flash flooding associated with the monsoons in the southwest. Meanwhile, a cold front approaching the east coast is increasing the humidity and heat index, and bringing potential for heavy rain and flash flooding.
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Hazardous Weather Conditions

For More Weather Information:

Gray/Portland, ME Local Forecast Office

18NM S Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Areas Fog

    Light Wind
    3ft

    High: 72 °F

  • Tonight

    Areas Fog

    S 10kt
    3ft

    Low: 67 °F

  • Tuesday

    Heavy Rain

    S 20kt
    3-4ft

    High: 70 °F

  • Tuesday
    Night

    Heavy Rain

    SSW 10ktWinds Decreasing
    4ft

    Low: 64 °F

  • Wednesday

    Chance Showers

    NNW 10kt
    3ft

    High: 71 °F

  • Wednesday
    Night

    Mostly Clear

    NNW 10kt
    3ft

    Low: 61 °F

  • Thursday

    Sunny

    Light Wind
    3ft

    High: 70 °F

  • Thursday
    Night

    Clear

    S 10kt
    2-3ft

    Low: 62 °F

  • Friday

    Sunny

    Winds IncreasingS 10kt
    2ft

    High: 71 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:30 am EDT Jul 16, 2018
Forecast Valid: 5am EDT Jul 16, 2018-6pm EDT Jul 22, 2018

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Detailed Forecast


Synopsis: ANZ100-162130- 329 AM EDT Mon Jul 16 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A weak ridge of high pressure will be over the waters today before moving east tonight. A strong cold front will approach from the west on Tuesday...crossing the waters Tuesday night. High pressure builds in from the west on Wednesday and remains over the waters through the end of the week. $$

Today
Variable winds 5 kt or less. Areas of fog. Seas around 3 ft.
Tonight
SSE wind 5 to 10 kt becoming S after midnight. Areas of fog. Seas around 3 ft.
Tuesday
S wind 15 to 20 kt. Showers and thunderstorms likely, mainly after 1pm. Some of the storms could produce gusty winds and heavy rain. Areas of fog. Seas 3 to 4 ft.
Tuesday Night
SSW wind 7 to 10 kt becoming WSW 5 to 8 kt after midnight. Showers and thunderstorms before midnight, then showers likely. Some of the storms could produce gusty winds and heavy rain. Seas around 4 ft.
Wednesday
NNW wind around 10 kt. A chance of showers before 11am. Seas around 3 ft.
Wednesday Night
NNW wind 5 to 10 kt. Mostly clear. Seas around 3 ft.
Thursday
Variable winds 5 kt or less. Sunny. Seas around 3 ft.
Thursday Night
S wind 5 to 10 kt becoming WSW after midnight. Clear. Seas 2 to 3 ft.
Friday
WSW wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 2 ft.

Winds and seas higher in and near tstms.

*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: 3:30 am EDT Jul 16, 2018
Forecast Valid: 5am EDT Jul 16, 2018-6pm EDT Jul 22, 2018
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