Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind around 8 kt. Isolated showers before 2am.   Seas around 4 ft.

      Low: 78 °F

      ESE 8kt
      4ft

    • Sunday

      Sunday:E wind 9 to 13 kt. Isolated showers.   Seas 3 to 4 ft.

      High: 81 °F

      E 13kt
      3-4ft

    • Sunday Night

      Sunday Night:ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers before 8pm.   Seas around 3 ft.

      Low: 78 °F

      ESE 8kt⇓
      3ft

    • Monday

      Monday:Variable winds less than 5 kt becoming SE 6 to 11 kt in the morning. Scattered showers, mainly after 2pm.   Seas around 3 ft.

      High: 81 °F

      ⇑SE 11kt
      3ft

    • Monday Night

      Monday Night:Variable winds 5 kt or less. Isolated showers.   Seas 2 to 3 ft.

      Low: 78 °F

      Light Wind
      2-3ft

    • Tuesday

      Tuesday:Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Showers likely, mainly after 11am.   Seas around 2 ft.

      High: 81 °F

      ⇑E 11kt
      2ft

    • Tuesday Night

      Tuesday Night:E wind 5 to 7 kt. Scattered showers.   Seas 3 to 4 ft.

      Low: 78 °F

      E 7kt
      3-4ft

    • Wednesday

      Wednesday:E wind 9 to 12 kt. Scattered showers.   Seas around 5 ft.

      High: 81 °F

      E 12kt
      5ft

    • Wednesday Night

      Wednesday Night:E wind around 9 kt. Scattered showers.   Seas around 6 ft.

      Low: 78 °F

      E 9kt
      6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 8:28 pm EST Feb 21, 2026
Forecast Valid: 12am EST Feb 22, 2026-6pm EST Feb 28, 2026

View Nearby Observations

Detailed Forecast


Overnight
ESE wind around 8 kt. Isolated showers before 2am. Seas around 4 ft.
Sunday
E wind 9 to 13 kt. Isolated showers. Seas 3 to 4 ft.
Sunday Night
ESE wind 5 to 8 kt becoming variable and less than 5 kt after midnight. Isolated showers before 8pm. Seas around 3 ft.
Monday
Variable winds less than 5 kt becoming SE 6 to 11 kt in the morning. Scattered showers, mainly after 2pm. Seas around 3 ft.
Monday Night
Variable winds 5 kt or less. Isolated showers. Seas 2 to 3 ft.
Tuesday
Variable winds less than 5 kt becoming E 6 to 11 kt in the morning. Showers likely, mainly after 11am. Seas around 2 ft.
Tuesday Night
E wind 5 to 7 kt. Scattered showers. Seas 3 to 4 ft.
Wednesday
E wind 9 to 12 kt. Scattered showers. Seas around 5 ft.
Wednesday Night
E wind around 9 kt. Scattered showers. Seas around 6 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: 18.46°N 66.13°W
Last Update: 8:28 pm EST Feb 21, 2026
Forecast Valid: 12am EST Feb 22, 2026-6pm EST Feb 28, 2026
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