Cold Temperatures and Some Snow

A strong cold front and low pressure system will press from the Central U.S. through the East over the next couple of days. The impressive cold front will allow a cold air mass to settle in east of the Rockies and numerous record low temperatures are likely the next few days, especially Wednesday morning. A streak of snow is also expected from the central Plains to northern New England.
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Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NE San Juan PR

Marine Point Forecast

[NOTICE]
  • Today

    Isolated Showers

    E 15kt
    < 1ft

    High: 89 °F

  • Tonight

    Isolated Showers

    E 12kt
    < 1ft

    Low: 76 °F

  • Wednesday

    Isolated Showers

    E 15kt
    < 1ft

    High: 88 °F

  • Wednesday
    Night

    Isolated Showers

    E 11kt
    < 1ft

    Low: 76 °F

  • Thursday

    Isolated Showers

    E 14kt
    < 1ft

    High: 88 °F

  • Thursday
    Night

    Scattered Showers

    E 9kt
    < 1ft

    Low: 76 °F

  • Friday

    Scattered Showers

    E 12kt
    < 1ft

    High: 88 °F

  • Friday
    Night

    Partly Cloudy

    E 9kt
    < 1ft

    Low: 76 °F

  • Saturday

    Mostly Sunny

    E 12kt
    < 1ft

    High: 87 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:33 am EDT Apr 20, 2021
Forecast Valid: 5am EDT Apr 20, 2021-6pm EDT Apr 26, 2021

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Today
E wind 12 to 15 kt, with gusts as high as 21 kt. Isolated showers. Widespread haze before 9am, then Widespread haze after noon. Seas 1 ft or less.
Tonight
E wind around 12 kt. Isolated showers. Seas 1 ft or less.
Wednesday
E wind around 15 kt, with gusts as high as 21 kt. Isolated showers. Seas 1 ft or less.
Wednesday Night
E wind around 11 kt. Isolated showers. Seas 1 ft or less.
Thursday
E wind 12 to 14 kt. Isolated showers. Seas 1 ft or less.
Thursday Night
E wind around 9 kt. Scattered showers, mainly after midnight. Seas 1 ft or less.
Friday
E wind 9 to 12 kt. Scattered showers before noon. Seas 1 ft or less.
Friday Night
E wind around 9 kt. Partly cloudy. Seas 1 ft or less.
Saturday
E wind 10 to 12 kt. Mostly sunny. Seas 1 ft 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: 18.45°N 65.99°W
Last Update: 3:33 am EDT Apr 20, 2021
Forecast Valid: 5am EDT Apr 20, 2021-6pm EDT Apr 26, 2021
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