Coastal Waters Forecast for Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM (GMZ850) (Text-Only)
NWS Forecast for: Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM (GMZ850)
Issued by: National Weather Service Tampa Bay, FL
Last Update: 307 AM EDT Thu Sep 10 2026


Today: Southeast winds 5 to 10 knots, becoming southwest this afternoon. Seas 1 foot or less. Wave detail: southeast 1 foot at 2 seconds. Bay and inland waters light chop. Isolated showers and thunderstorms this morning, then scattered showers and thunderstorms early this afternoon. Isolated showers and thunderstorms late.

Tonight: West winds around 5 knots, becoming southeast around 5 knots after midnight. Seas 1 foot or less. Wave detail: south 1 foot at 3 seconds. Bay and inland waters smooth. Isolated showers and thunderstorms in the evening.

Friday: Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 3 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms.

Friday Night: Southwest winds around 5 knots, becoming southeast around 5 knots after midnight. Seas 1 foot or less. Wave detail: south 1 foot at 2 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms.

Saturday: Southeast winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave detail: south 1 foot at 2 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms.

Saturday Night: West winds around 5 knots, becoming southeast around 5 knots after midnight. Seas 1 foot or less. Wave detail: south 1 foot at 3 seconds and southwest 1 foot at 6 seconds. Bay and inland waters smooth. Scattered showers and thunderstorms.

Sunday: Southeast winds around 5 knots, becoming southwest around 5 knots in the afternoon. Seas 1 foot or less. Bay and inland waters smooth. Scattered showers and thunderstorms.

Sunday Night: Northwest winds around 5 knots, becoming southeast after midnight. Seas 1 foot or less. Bay and inland waters smooth. Scattered showers and thunderstorms, mainly in the evening.

Monday: East winds around 5 knots, becoming west around 5 knots in the afternoon. Seas 1 foot or less. Bay and inland waters smooth. Scattered showers and thunderstorms.

winds and seas higher in and near thunderstorms.







Zone Forecast: Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM (GMZ850)

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