Areas of Excessive Rainfall and Severe Thunderstorms Thursday

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota Thursday. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula Thursday. Read More >

Hazardous Weather Conditions

For More Weather Information:

San Juan, PR Local Forecast Office

3NM NW San Juan PR

Marine Point Forecast

[NOTICE]
    • Overnight

      Overnight:ESE wind around 8 kt. Scattered showers.   Seas around 3 ft.

      Low: 83 °F

      ESE 8kt
      3ft

    • Thursday

      Thursday:E wind 7 to 13 kt. Scattered showers, mainly after noon.   Seas around 3 ft.

      High: 84 °F

      E 13kt
      3ft

    • Thursday Night

      Thursday Night:SE wind 5 to 9 kt. Isolated showers before midnight, then isolated showers after 3am.   Seas 2 to 3 ft.

      Low: 83 °F

      SE 9kt
      2-3ft

    • Independence Day

      Independence Day:E wind 6 to 14 kt, with gusts as high as 20 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon.   Seas 2 to 3 ft.

      High: 84 °F

      E 14kt
      2-3ft

    • Friday Night

      Friday Night:E wind 8 to 10 kt. Isolated showers.   Seas around 3 ft.

      Low: 83 °F

      E 10kt
      3ft

    • Saturday

      Saturday:E wind 7 to 15 kt. Scattered showers, mainly after noon.   Seas around 3 ft.

      High: 84 °F

      E 15kt
      3ft

    • Saturday Night

      Saturday Night:ESE wind around 8 kt. Scattered showers.   Seas around 3 ft.

      Low: 83 °F

      ESE 8kt
      3ft

    • Sunday

      Sunday:E wind 9 to 14 kt. Mostly sunny. Seas around 2 ft.

      High: 84 °F

      E 14kt
      2ft

    • Sunday Night

      Sunday Night:E wind 7 to 9 kt. Scattered showers.   Seas around 2 ft.

      Low: 83 °F

      E 9kt
      2ft


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:46 pm EDT Jul 2, 2025
Forecast Valid: 11pm EDT Jul 2, 2025-6pm EDT Jul 9, 2025

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Detailed Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Overnight
ESE wind around 8 kt. Scattered showers. Seas around 3 ft.
Thursday
E wind 7 to 13 kt. Scattered showers, mainly after noon. Seas around 3 ft.
Thursday Night
SE wind 5 to 9 kt. Isolated showers before midnight, then isolated showers after 3am. Seas 2 to 3 ft.
Independence Day
E wind 6 to 14 kt, with gusts as high as 20 kt. Scattered showers, then showers likely and possibly a thunderstorm after noon. Seas 2 to 3 ft.
Friday Night
E wind 8 to 10 kt. Isolated showers. Seas around 3 ft.
Saturday
E wind 7 to 15 kt. Scattered showers, mainly after noon. Seas around 3 ft.
Saturday Night
ESE wind around 8 kt. Scattered showers. Seas around 3 ft.
Sunday
E wind 9 to 14 kt. Mostly sunny. Seas around 2 ft.
Sunday Night
E wind 7 to 9 kt. Scattered showers. Seas around 2 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: 18.45°N 66.1°W
Last Update: 5:46 pm EDT Jul 2, 2025
Forecast Valid: 11pm EDT Jul 2, 2025-6pm EDT Jul 9, 2025
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