



Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands
Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >

Hazardous Weather Conditions
Last Update: 356 AM AST Fri Sep 19 2025
For More Weather Information:
25NM WNW San Juan PR
Marine Zone Forecast
Today
East winds 5 to 10 knots. Seas 3 to 4 feet. Wave detail: northeast 3 feet at 8 seconds and north 1 foot at 8 seconds. Isolated showers this morning. Isolated thunderstorms late this morning and afternoon. Showers this afternoon.
Tonight
Southeast winds around 5 knots. Seas around 3 feet. Wave detail: northeast 3 feet at 8 seconds and northeast 2 feet at 14 seconds. Showers, mainly in the evening.
Saturday
East winds 5 to 10 knots. Seas 3 to 4 feet. Wave detail: northeast 4 feet at 13 seconds and northeast 2 feet at 8 seconds. Showers in the afternoon.
Saturday Night
Southeast winds around 5 knots. Seas around 4 feet. Wave detail: northeast 4 feet at 11 seconds. Numerous showers, mainly in the evening.
Sunday
East winds 5 to 10 knots. Seas around 4 feet. Wave detail: northeast 4 feet at 8 seconds and northeast 4 feet at 11 seconds. Scattered showers in the afternoon.
Sunday Night
East winds 5 to 10 knots. Seas 3 to 4 feet. Wave detail: northeast 4 feet at 9 seconds. Scattered showers after midnight.
Monday
East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Scattered showers in the afternoon.
Monday Night
East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet.
Tuesday
East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers in the afternoon.
Tuesday Night
East winds 10 to 15 knots. Seas around 4 feet. Scattered showers.
winds and seas higher in and near thunderstorms.
winds and seas higher in and near thunderstorms.
Winds and seas higher in and near thunderstorms.
Additional Forecasts and Information
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