Excessive Rainfall Possible in Multiple Spots, While Heat Lingers and Builds in Other Areas

A ridge of high pressure, that brought Summer-Heat to the Midwest/East over the weekend, is attempting to survive from the Mid MS Valley to Southeast. Around this ridge, several spots will be vulnerable for intense excessive rainfall. A constant surge of Tropical Moisture inundates the TX Gulf Coast and a system will relocate from the northern to central Plains to interact with a Midwest front.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Clear

    NW 10kt
    1-2ft

    Low: 56 °F

  • Wednesday

    Sunny

    Winds IncreasingS 15kt
    1-2ft

    High: 66 °F

  • Wednesday
    Night

    Partly Cloudy

    SSW 15kt
    3ft

    Low: 58 °F

  • Thursday

    Mostly Sunny

    N 10kt
    2ft

    High: 63 °F

  • Thursday
    Night

    Mostly Clear

    Light Wind
    1-2ft

    Low: 54 °F

  • Friday

    Sunny

    Winds IncreasingS 10kt
    1ft

    High: 63 °F

  • Friday
    Night

    Mostly Clear

    S 15kt
    3ft

    Low: 58 °F

  • Saturday

    Chance Showers

    SSE 15kt
    2ft

    High: 63 °F

  • Saturday
    Night

    Showers Likely

    S 15kt
    2-3ft

    Low: 60 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:33 pm EDT Jun 19, 2018
Forecast Valid: 5pm EDT Jun 19, 2018-6pm EDT Jun 26, 2018

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Detailed Forecast


Synopsis: ANZ100-200845- 238 PM EDT Tue Jun 19 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... High pressure builds east across the area tonight. On Wednesday...another cold front will drop south into the region. The front will exit to our south by Thursday morning with even cooler and drier Canadian air for later in the week. The next disturbance approaches from the west for the weekend with chances of rain and thunderstorms. $$

Tonight
NW wind 5 to 10 kt. Clear. Seas 1 to 2 ft.
Wednesday
W wind 5 to 8 kt becoming S 10 to 15 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Wednesday Night
SSW wind 10 to 15 kt becoming W after midnight. Partly cloudy. Seas around 3 ft.
Thursday
N wind around 10 kt becoming E in the afternoon. Mostly sunny. Seas around 2 ft.
Thursday Night
Variable winds 5 kt or less. Mostly clear. Seas 1 to 2 ft.
Friday
N wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas around 1 ft.
Friday Night
S wind 10 to 15 kt. Mostly clear. Seas around 3 ft.
Saturday
SSW wind 10 to 15 kt becoming SSE in the afternoon. A chance of showers. Seas around 2 ft.
Saturday Night
S wind 10 to 15 kt. Showers likely. Seas 2 to 3 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: 43.18°N 70.24°W
Last Update: 3:33 pm EDT Jun 19, 2018
Forecast Valid: 5pm EDT Jun 19, 2018-6pm EDT Jun 26, 2018
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