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

8NM ENE Portland ME

Marine Point Forecast

[NOTICE]
  • Today

    Areas Fog

    Winds IncreasingSSE 10km/h
    < 1m

    High: 23 °C

  • Tonight

    Chance Showers

    SE 10km/h
    < 1m

    Low: 19 °C

  • Tuesday

    Heavy Rain

    Winds IncreasingS 25km/h
    < 1m

    High: 21 °C

  • Tuesday
    Night

    Heavy Rain

    SSW 20km/hWinds Decreasing
    < 1m

    Low: 18 °C

  • Wednesday

    Chance Showers

    NNW 15km/h
    < 1m

    High: 23 °C

  • Wednesday
    Night

    Mostly Clear

    NNW 15km/h
    < 1m

    Low: 15 °C

  • Thursday

    Sunny

    NNW 10km/h
    < 1m

    High: 23 °C

  • Thursday
    Night

    Clear

    SSW 10km/hWinds Decreasing
    < 1m

    Low: 16 °C

  • Friday

    Sunny

    Winds IncreasingS 15km/h
    < 1m

    High: 23 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:25 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
E wind 5 to 8 km/h becoming SSE 7 to 10 km/h in the afternoon. Areas of fog. Seas 1 m or less.
Tonight
SE wind around 10 km/h. A chance of showers after 3am. Areas of fog. Seas 1 m or less.
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. Showers and thunderstorms, mainly after noon. Some of the storms could produce gusty winds and heavy rain. Areas of fog. Seas 1 m or less.
Tuesday Night
SSW wind 15 to 20 km/h becoming WSW 5 to 8 km/h after midnight. Showers and thunderstorms before midnight, then showers likely. Some of the storms could produce gusty winds and heavy rain. Seas 1 m or less.
Wednesday
NNW wind around 15 km/h. A chance of showers before 10am. Seas 1 m or less.
Wednesday Night
NNW wind around 15 km/h. Mostly clear. Seas 1 m or less.
Thursday
NNW wind around 10 km/h becoming SW in the afternoon. Sunny. Seas 1 m or less.
Thursday Night
SSW wind 7 to 10 km/h becoming W 5 to 8 km/h after midnight. Clear. Seas 1 m or less.
Friday
W wind 5 to 8 km/h becoming S 10 to 15 km/h in the morning. Sunny. Seas 1 m or less.

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: 43.73°N 70.1°W
Last Update: 4:25 am EDT Jul 16, 2018
Forecast Valid: 5am EDT Jul 16, 2018-6pm EDT Jul 22, 2018
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