Continuous Heavy Rainfall And Threat For Flooding Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A very slow moving disturbance will deliver continuous tropical heavy rainfall and flooding along the Texas Gulf Coast into Louisiana. Additional heavy rainfall will be possible across the Midwest and Ohio Valley, from a circulation and stalled frontal zone. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada and Arizona, which includes Las Vegas and Phoenix.
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Gray/Portland, ME Local Forecast Office

25NM ENE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Tonight

    Mostly Clear

    S 15kt
    3ft

    Low: 56 °F

  • Thursday

    Mostly Sunny

    E 10kt
    2ft

    High: 66 °F

  • Thursday
    Night

    Mostly Clear

    Light Wind
    1-2ft

    Low: 56 °F

  • Friday

    Sunny

    Winds IncreasingS 10kt
    1-2ft

    High: 64 °F

  • Friday
    Night

    Mostly Clear

    S 10kt
    2ft

    Low: 56 °F

  • Saturday

    Chance Showers

    SSE 10kt
    2ft

    High: 62 °F

  • Saturday
    Night

    Showers Likely

    SSE 10kt
    3ft

    Low: 58 °F

  • Sunday

    Chance Showers

    SSW 10kt
    3ft

    High: 65 °F

  • Sunday
    Night

    Chance Showers

    W 10kt
    3ft

    Low: 60 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:59 pm EDT Jun 20, 2018
Forecast Valid: 5pm EDT Jun 20, 2018-6pm EDT Jun 27, 2018

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Detailed Forecast


Synopsis: ANZ100-210900- 254 PM EDT Wed Jun 20 2018 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A cold front will drop south across the waters late tonight into early Thursday. High pressure builds in Thursday night and Friday with fair weather. Low pressure approaches from the west early on Saturday with the potential for showers and perhaps thunder Saturday afternoon through Sunday night. High pressure then builds in later Monday into Tuesday. $$

Tonight
S wind 10 to 15 kt becoming WSW after midnight. Mostly clear. Seas around 3 ft.
Thursday
N wind 5 to 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
NE wind 5 to 8 kt becoming S 7 to 10 kt in the afternoon. Sunny. Seas 1 to 2 ft.
Friday Night
S wind around 10 kt. Mostly clear. Seas around 2 ft.
Saturday
SSE wind 5 to 10 kt. A chance of showers after 2pm. Seas around 2 ft.
Saturday Night
SSE wind around 10 kt becoming SSW after midnight. Showers likely, mainly after 8pm. Seas around 3 ft.
Sunday
SSW wind around 10 kt. A chance of showers. Seas around 3 ft.
Sunday Night
W wind around 10 kt becoming NW after midnight. A chance of showers. Seas around 3 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: 43.18°N 70.24°W
Last Update: 2:59 pm EDT Jun 20, 2018
Forecast Valid: 5pm EDT Jun 20, 2018-6pm EDT Jun 27, 2018
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