Snow, Blowing Snow, and Dangerous Wind Chills from the North Plains to the Northeast

A powerful storm system will moving northeast and offshore later Sunday. An upper level low will continue producing snow and blowing snow from the Upper Midwest to the Northeast, especially, downwind of the Great Lakes. Bitterly cold air will plunge into the Plains following this system, with wind chills as cold as -40 degrees.
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For More Weather Information:

San Juan, PR Local Forecast Office

13NM WSW Aguadilla PR

Marine Point Forecast

[NOTICE]
  • Tonight

    Isolated Showers

    ENE 23kt
    Waves Building13ft

    Low: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday

    Scattered Showers

    E 17kt
    13-14ft

    High: 80 °F

    Small Craft Advisory
    Small Craft Advisory

  • Sunday
    Night

    Isolated Showers

    E 18kt
    12ft

    Low: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • M.L.King
    Day

    Scattered Showers

    ENE 13kt
    10-11ft

    High: 80 °F

    Small Craft Advisory
    Small Craft Advisory

  • Monday
    Night

    Isolated Showers

    ESE 11kt
    8-9ft

    Low: 76 °F

    Small Craft Advisory
    Small Craft Advisory

  • Tuesday

    Scattered Showers

    SSE 15kt
    6-7ft

    High: 80 °F

  • Tuesday
    Night

    Mostly Clear

    SE 12kt
    4-5ft

    Low: 76 °F

  • Wednesday

    Scattered Showers

    S 14kt
    3-4ft

    High: 81 °F

  • Wednesday
    Night

    Scattered Showers

    SSE 8ktWinds Decreasing
    3ft

    Low: 76 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:02 pm EST Jan 18, 2020
Forecast Valid: 10pm EST Jan 18, 2020-6pm EST Jan 25, 2020

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Detailed Forecast

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

Tonight
ENE wind 18 to 23 kt, with gusts as high as 31 kt. Isolated showers after 2am. Seas 8 ft building to 13 ft.
Sunday
E wind 14 to 17 kt becoming SSW in the afternoon. Winds could gust as high as 23 kt. Scattered showers, mainly after 2pm. Seas 13 to 14 ft.
Sunday Night
E wind 15 to 18 kt, with gusts as high as 24 kt. Isolated showers. Seas around 12 ft.
M.L.King Day
ENE wind 8 to 13 kt becoming SW in the afternoon. Scattered showers, mainly after 11am. Seas 10 to 11 ft.
Monday Night
ENE wind 9 to 11 kt becoming ESE after midnight. Isolated showers. Seas 8 to 9 ft.
Tuesday
SSE wind 10 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after 11am. Seas 6 to 7 ft.
Tuesday Night
SE wind 9 to 12 kt. Mostly clear. Seas 4 to 5 ft.
Wednesday
S wind 11 to 14 kt. Scattered showers. Seas 3 to 4 ft.
Wednesday Night
SSE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Scattered 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: 18.33°N 67.35°W
Last Update: 8:02 pm EST Jan 18, 2020
Forecast Valid: 10pm EST Jan 18, 2020-6pm EST Jan 25, 2020
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