Mostly Quiet; Storms and Rain in Northeast

A fairly quiet weather pattern is in place across the U.S. A slow moving front in the Northeast may produce heavy rain that could cause flash flooding. A few storms with strong wind gusts and a couple of tornadoes may also impact the area. Fire Weather threats will be elevated for portions of the North and South Plains.
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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Chance Showers

    SE 15kt
    3ft

    Low: 66 °F

  • Friday

    Showers

    SE 15kt
    4ft

    High: 73 °F

  • Friday
    Night

    Showers

    S 10kt
    3-4ft

    Low: 62 °F

  • Saturday

    Showers Likely

    Light Wind
    3ft

    High: 70 °F

  • Saturday
    Night

    Showers Likely

    Light Wind
    2ft

    Low: 61 °F

  • Sunday

    Chance Showers

    W 10kt
    3ft

    High: 70 °F

  • Sunday
    Night

    Mostly Clear

    W 10kt
    4ft

    Low: 57 °F

  • Monday

    Sunny

    W 10kt
    4ft

    High: 70 °F

  • Monday
    Night

    Partly Cloudy

    WSW 10kt
    3ft

    Low: 58 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 10:40 pm EDT Sep 23, 2021
Forecast Valid: 3am EDT Sep 24, 2021-6pm EDT Sep 30, 2021

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Detailed Forecast


Synopsis: ANZ100-241645- 1040 PM EDT Thu Sep 23 2021 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... A prolonged period of southerly winds will continue over the waters through Friday as the region sits between offshore high pressure and a slowly approaching cold front from the west, bringing SCA conditions late tonight through early Saturday morning. This front will cross the waters Friday night or Saturday with westerly winds developing in it's wake. Another cold front will drop towards the waters from the northwest by Monday or Tuesday of next week. $$

Overnight
SE wind around 15 kt. A chance of showers. Areas of fog. Seas around 3 ft.
Friday
SE wind around 15 kt, with gusts as high as 25 kt. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Areas of fog before 8am. Seas around 4 ft.
Friday Night
S wind 5 to 10 kt becoming SW after midnight. Showers and thunderstorms, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Patchy fog. Seas 3 to 4 ft.
Saturday
Variable winds 5 kt or less. Showers likely, mainly before 8am. Seas around 3 ft.
Saturday Night
Variable winds 5 kt or less. Showers likely, mainly before 2am. Seas around 2 ft.
Sunday
W wind 5 to 10 kt. A chance of showers before 8am. Seas around 3 ft.
Sunday Night
W wind around 10 kt. Mostly clear. Seas around 4 ft.
Monday
W wind around 10 kt. Sunny. Seas around 4 ft.
Monday Night
WSW wind around 10 kt. Partly cloudy. 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: 42.98°N 70.74°W
Last Update: 10:40 pm EDT Sep 23, 2021
Forecast Valid: 3am EDT Sep 24, 2021-6pm EDT Sep 30, 2021
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