Heavy Mountain Snow across Portions of the Rockies and Intermountain West; Mainly Tranquil Weather for the East

A storm will move across the Intermountain West and Rockies through Tuesday. Heavy snow is forecast for the higher terrain with rain for lower elevations. Meanwhile, large area of high pressure for the East will keep the weather tranquil with moderating temperatures. Later this week, a more significant storm is possible for the West, especially for northern California.
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Gray/Portland, ME Local Forecast Office

6NM SSE Portsmouth NH

Marine Point Forecast

[NOTICE]
  • Overnight

    Partly Cloudy

    WNW 25km/h
    1m

    Low: 7 °C

  • Tuesday

    Sunny

    WNW 30km/h
    1m

    High: 15 °C

  • Tuesday
    Night

    Mostly Cloudy

    WSW 15km/h
    < 1m

    Low: 11 °C

  • Wednesday

    Mostly Sunny

    W 20km/h
    < 1m

    High: 18 °C

  • Wednesday
    Night

    Partly Cloudy

    W 10km/h
    < 1m

    Low: 12 °C

  • Thursday

    Mostly Sunny

    SSE 15km/h
    < 1m

    High: 19 °C

  • Thursday
    Night

    Chance Showers

    SSW 20km/h
    < 1m

    Low: 14 °C

  • Friday

    Chance Showers

    SW 15km/h
    < 1m

    High: 19 °C

  • Friday
    Night

    Mostly Cloudy

    W 15km/h
    < 1m

    Low: 11 °C


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:29 pm EDT Oct 18, 2021
Forecast Valid: 11pm EDT Oct 18, 2021-6pm EDT Oct 25, 2021

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Detailed Forecast


Synopsis: ANZ100-191230- 629 PM EDT Mon Oct 18 2021 .Synopsis for Stonington ME to Merrimack River MA out to 25 NM... Gusty northwesterly winds are expected to continue through Tuesday. Winds and seas will diminish around midweek as high pressure builds over the waters. Southerly winds will freshen on Thursday ahead of an approaching cold front. $$

Overnight
WNW wind around 25 km/h, with gusts as high as 50 km/h. Partly cloudy. Seas around 1 m.
Tuesday
WNW wind 25 to 30 km/h, with gusts as high as 45 km/h. Sunny. Seas around 1 m.
Tuesday Night
WSW wind around 15 km/h. Mostly cloudy. Seas 1 m or less.
Wednesday
W wind 15 to 20 km/h. Mostly sunny. Seas 1 m or less.
Wednesday Night
W wind around 10 km/h. Partly cloudy. Seas 1 m or less.
Thursday
SW wind 10 to 15 km/h becoming SSE in the morning. Mostly sunny. Seas 1 m or less.
Thursday Night
SSW wind 15 to 20 km/h. A chance of showers after 2am. Seas 1 m or less.
Friday
SW wind around 15 km/h. A chance of showers. Seas 1 m or less.
Friday Night
W wind 10 to 15 km/h becoming NW after midnight. Mostly cloudy. Seas 1 m or less.

*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: 6:29 pm EDT Oct 18, 2021
Forecast Valid: 11pm EDT Oct 18, 2021-6pm EDT Oct 25, 2021
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