| NWS Forecast for: Coastal Waters OF Northwestern Puerto Rico out 10 NM (AMZ742) Issued by: National Weather Service San Juan, PR Last Update: 328 AM AST Tue Nov 18 2025 | |
Today: East winds 5 to 10 knots, diminishing to around 5 knots late this morning, then becoming northeast with gusts up to 20 knots this afternoon. Seas 2 to 4 feet. Wave detail: north 4 feet at 10 seconds. Isolated showers late this morning. Showers with isolated thunderstorms this afternoon. Tonight: East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave detail: northeast 3 feet at 5 seconds and north 3 feet at 9 seconds. Wednesday: East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave detail: northeast 3 feet at 5 seconds and north 2 feet at 10 seconds. Scattered showers in the afternoon. Wednesday Night: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave detail: northeast 3 feet at 5 seconds and north 2 feet at 9 seconds. Scattered showers in the evening. Thursday: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave detail: northeast 3 feet at 5 seconds and north 3 feet at 11 seconds. Thursday Night: Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet. Wave detail: northeast 3 feet at 5 seconds and north 3 feet at 11 seconds. Friday: Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Friday Night: Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Saturday: Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Saturday Night: East winds 10 to 15 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) | |
Visit your local NWS office at: https://www.weather.gov/sju |