Severe Weather and Flash Flooding Potential for the Center of the Nation
An upper level trough coinciding with surface frontal boundaries will focus showers and thunderstorms from the Great Lakes region into the Ohio and Tennessee Valley's, central and southern Plains. Instances of flash flooding, damaging winds and large hail are possible. Meanwhile, increasing waves and rip currents for portions of the eastern seaboard this week as tropical Atlantic is active. Read More >
| NWS Forecast for: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ711) Issued by: National Weather Service San Juan, PR Last Update: 432 AM AST Mon Sep 22 2025 | |
Today: East winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 3 to 4 feet. Wave detail: east 3 feet at 8 seconds and southeast 2 feet at 4 seconds. Isolated showers. Tonight: East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave detail: east 4 feet at 8 seconds and east 3 feet at 4 seconds. Tuesday: East winds 10 to 15 knots with gusts up to 20 knots. Seas around 4 feet. Wave detail: northeast 4 feet at 8 seconds and east 3 feet at 5 seconds. Tuesday Night: East winds 10 to 15 knots with gusts up to 25 knots. Seas 4 to 5 feet. Wave detail: east 4 feet at 8 seconds and northeast 1 foot at 14 seconds. Scattered showers after midnight. Wednesday: East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave detail: east 5 feet at 8 seconds and northeast 2 feet at 13 seconds. Numerous showers. Wednesday Night: East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave detail: east 5 feet at 8 seconds and north 2 feet at 12 seconds. Showers. Thursday: Southeast winds 10 to 15 knots. Seas 4 to 6 feet. Numerous showers. Thursday Night: Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Numerous showers. Friday: Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Numerous showers, mainly in the morning. Friday Night: Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. | |
| Zone Forecast: Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N (AMZ711) | |
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