Heavy Rainfall Threat for Southern Plains and Mississippi Valley; Mild Temperatures for the East

Widespread showers and thunderstorms with the risk for flash flooding from the Southern Plains to the Mississippi Valley develops on Tuesday. Moisture tracking into the Pacific Northwest will bring heavy lower elevation/coastal rain and mountain snow. Meanwhile, unseasonably warm temperatures continue for the eastern two-thirds of the country.
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Gray/Portland, ME Local Forecast Office

9NM ESE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Mostly Clear

    N 20kt
    5ft

    Low: 24 °F

  • Tuesday

    Partly Sunny

    NNE 15ktWinds Decreasing
    4-5ft

    High: 38 °F

  • Tuesday
    Night

    Rain/Snow

    SSW 15kt
    4-5ft

    Low: 36 °F

  • Wednesday

    Mostly Sunny

    W 15kt
    3-4ft

    High: 43 °F

  • Wednesday
    Night

    Mostly Clear

    WNW 10ktWinds Decreasing
    2-3ft

    Low: 33 °F

  • Thursday

    Chance Rain

    Winds IncreasingS 10kt
    2ft

    High: 44 °F

  • Thursday
    Night

    Rain

    SSE 15kt
    3ft

    Low: 40 °F

  • Friday

    Partly Sunny

    SW 15kt
    2-3ft

    High: 50 °F

  • Friday
    Night

    Mostly Cloudy

    W 10kt
    2ft

    Low: 37 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:47 am EST Feb 7, 2023
Forecast Valid: 4am EST Feb 7, 2023-6pm EST Feb 13, 2023

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Detailed Forecast


Synopsis: ANZ100-071900- 1151 PM EST Mon Feb 6 2023 .Synopsis for Stonington ME to Merrimack River Ma out to 25 NM. Northerly winds will continue to increase this evening as a powerful ocean storm crosses to the east in the open North Atlantic. High pressure builds to our west with Gale conditions likely into tonight. Freezing spray is also possible tonight as colder air moves across the waters. Winds and seas will then diminish on Tuesday before increasing again Tuesday night as a cold front moves through. High pressure then builds in for the middle of the week, allowing for weaker winds. $$

Overnight
N wind around 20 kt, with gusts as high as 25 kt. Mostly clear. Seas around 5 ft.
Tuesday
NNE wind 10 to 15 kt becoming ESE 5 to 8 kt in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 4 to 5 ft.
Tuesday Night
S wind 10 to 15 kt becoming WSW after midnight. Winds could gust as high as 25 kt. Rain and snow before 1am, then a slight chance of snow showers between 1am and 3am. Seas 4 to 5 ft.
Wednesday
W wind around 15 kt becoming WNW in the afternoon. Winds could gust as high as 25 kt. Mostly sunny. Seas 3 to 4 ft.
Wednesday Night
WNW wind 7 to 10 kt decreasing to 5 to 8 kt after midnight. Mostly clear. Seas 2 to 3 ft.
Thursday
WNW wind 5 to 8 kt becoming S 7 to 10 kt in the morning. A chance of rain after 1pm. Seas around 2 ft.
Thursday Night
SSE wind around 15 kt becoming SSW after midnight. Winds could gust as high as 25 kt. Rain, mainly before 1am. Seas around 3 ft.
Friday
SW wind around 15 kt becoming W in the afternoon. Winds could gust as high as 25 kt. Partly sunny. Seas 2 to 3 ft.
Friday Night
W wind around 10 kt becoming NW after midnight. Mostly cloudy. Seas around 2 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: 42.99°N 70.62°W
Last Update: 2:47 am EST Feb 7, 2023
Forecast Valid: 4am EST Feb 7, 2023-6pm EST Feb 13, 2023
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