| NWS Forecast for: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074) Issued by: National Weather Service Key West, FL Last Update: 1026 PM EDT Sun Apr 19 2026 | |
| Overnight: North to northeast winds 10 to 15 knots, except 5 to 10 knots off the upper keys. Seas around 2 feet, except 1 to 2 feet off the upper keys. Wave detail: northeast to east 2 feet at 4 seconds. A slight chance of showers. Monday: North to northeast winds near 10 knots, increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave detail: northeast 1 foot at 4 seconds. A slight chance of showers. Monday Night: Northeast winds near 15 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet, building to 5 to 7 feet, occasionally to 9 feet. Wave detail: north 3 feet at 5 seconds, becoming northeast 6 feet at 6 seconds and northwest 2 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. Tuesday: Northeast to east winds near 25 knots. Seas 7 to 10 feet, occasionally to 13 feet. A chance of showers. Tuesday Night: Northeast to east winds near 25 knots, decreasing to 20 to 25 knots late. Seas 7 to 10 feet, occasionally to 13 feet. A slight chance of showers. Wednesday: East winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 9 feet, occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. Wednesday Night: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. Thursday: East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms. Thursday Night: East winds 15 to 20 knots, decreasing to near 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers. Friday: East to southeast winds decreasing to 10 to 15 knots. seas 2 to 4 feet, occasionally to 5 feet, subsiding to around 2 feet. A slight chance of showers. Friday Night: East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. | |
| Zone Forecast: Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out (GMZ074) | |
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