| NWS Forecast for: Coastal Waters OF Northwestern Puerto Rico out 10 NM (AMZ742) Issued by: National Weather Service San Juan, PR Last Update: 343 AM AST Fri Sep 18 2026 |  |
| Today: East winds around 5 knots, becoming northeast late. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds and north 1 foot at 9 seconds. Scattered showers early this afternoon. Numerous showers with isolated thunderstorms late. Tonight: East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: east 2 feet at 6 seconds and north 2 feet at 9 seconds. Saturday: Northeast winds around 5 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers in the afternoon. Saturday Night: East winds 5 to 10 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers in the evening. Sunday: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers in the afternoon. Sunday Night: East winds around 5 knots. Seas 2 to 3 feet. Wave detail: northeast 3 feet at 7 seconds. Scattered showers in the evening. Monday: East winds 5 to 10 knots. Seas around 2 feet. Scattered showers in the afternoon. Monday Night: East winds 5 to 10 knots. Seas around 2 feet. Tuesday: East winds 5 to 10 knots. Seas 2 to 3 feet. Scattered showers in the afternoon. Tuesday Night: East winds 5 to 10 knots. Seas 2 to 3 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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