Spring Weather Hazards Across the U.S. Thursday

Gusty winds and low relative humidity will bring critical fire weather to the central and southern Plains and south Texas Thursday. Widespread high winds will continue to impact the interior Northwest, northern Plains, and Upper Midwest Thursday. A storm tracking across the northern Plains, Great Lakes and into the Northeast U.S. will bring heavy snow and gusty winds Thursday into Saturday. Read More >

For More Weather Information:

San Juan, PR Local Forecast Office

4NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Thursday

      Thursday:E wind 6 to 12 kt. Scattered showers, mainly after 3pm.   Seas around 3 ft.

      High: 81 °F

      E 12kt
      3ft

    • Thursday Night

      Thursday Night:SE wind 5 to 9 kt. Scattered showers, mainly between 9pm and midnight.   Seas around 3 ft.

      Low: 79 °F

      SE 9kt
      3ft

    • Friday

      Friday:E wind 7 to 13 kt. Scattered showers, mainly before 9am.   Seas around 3 ft.

      High: 80 °F

      E 13kt
      3ft

    • Friday Night

      Friday Night:E wind 9 to 11 kt. Mostly clear. Seas 3 to 4 ft.

      Low: 79 °F

      E 11kt
      3-4ft

    • Saturday

      Saturday:E wind 11 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after noon.   Seas around 3 ft.

      High: 80 °F

      E 15kt
      3ft

    • Saturday Night

      Saturday Night:E wind around 11 kt. Isolated showers.   Seas 3 to 4 ft.

      Low: 79 °F

      E 11kt
      3-4ft

    • Sunday

      Sunday:E wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers after noon.   Seas around 4 ft.

      High: 80 °F

      E 15kt
      4ft

    • Sunday Night

      Sunday Night:E wind around 12 kt. Mostly clear. Seas 4 to 5 ft.

      Low: 79 °F

      E 12kt
      4-5ft

    • Monday

      Monday:E wind 12 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas 5 to 6 ft.

      High: 80 °F

      E 17kt
      5-6ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:22 am EDT Mar 12, 2026
Forecast Valid: 3am EDT Mar 12, 2026-6pm EDT Mar 18, 2026

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Detailed Forecast


Thursday
E wind 6 to 12 kt. Scattered showers, mainly after 3pm. Seas around 3 ft.
Thursday Night
SE wind 5 to 9 kt. Scattered showers, mainly between 9pm and midnight. Seas around 3 ft.
Friday
E wind 7 to 13 kt. Scattered showers, mainly before 9am. Seas around 3 ft.
Friday Night
E wind 9 to 11 kt. Mostly clear. Seas 3 to 4 ft.
Saturday
E wind 11 to 15 kt, with gusts as high as 21 kt. Scattered showers, mainly after noon. Seas around 3 ft.
Saturday Night
E wind around 11 kt. Isolated showers. Seas 3 to 4 ft.
Sunday
E wind 12 to 15 kt, with gusts as high as 21 kt. Scattered showers after noon. Seas around 4 ft.
Sunday Night
E wind around 12 kt. Mostly clear. Seas 4 to 5 ft.
Monday
E wind 12 to 17 kt, with gusts as high as 23 kt. Mostly sunny. Seas 5 to 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: 2:22 am EDT Mar 12, 2026
Forecast Valid: 3am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
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