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Coastal Waters Forecast for Coastal Waters OF Northwestern Puerto Rico out 10 NM (AMZ742) (Text-Only)
NWS Forecast for: Coastal Waters OF Northwestern Puerto Rico out 10 NM (AMZ742)
Issued by: National Weather Service San Juan, PR
Last Update: 355 AM AST Wed Sep 30 2026


Today: East winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: northeast 3 feet at 5 seconds and north 2 feet at 10 seconds. Isolated showers this morning, then numerous showers with isolated thunderstorms this afternoon.

Tonight: East winds 10 to 15 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave detail: east 3 feet at 5 seconds and north 2 feet at 10 seconds.

Thursday: East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: northeast 3 feet at 6 seconds and north 1 foot at 9 seconds. Numerous showers in the afternoon.

Thursday Night: East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 5 seconds and north 1 foot at 8 seconds. Scattered showers in the evening.

Friday: East winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: southeast 3 feet at 5 seconds and northeast 2 feet at 13 seconds. Numerous showers in the afternoon.

Friday Night: East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: southeast 2 feet at 5 seconds and north 2 feet at 12 seconds.

Saturday: East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Numerous showers in the afternoon.

Saturday Night: East winds 5 to 10 knots. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers.

Sunday: East winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Scattered showers in the afternoon.

Sunday Night: East winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal Waters OF Northwestern Puerto Rico out 10 NM (AMZ742)

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