Coastal Waters Forecast for Tampa Bay waters (GMZ830) (Text-Only)
NWS Forecast for: Tampa Bay waters (GMZ830)
Issued by: National Weather Service Tampa Bay, FL
Last Update: 404 AM EDT Wed Sep 23 2026


Today: East winds around 5 knots, becoming northeast late. Bay and inland waters smooth. Isolated showers and thunderstorms this morning, then scattered showers and thunderstorms this afternoon.

Tonight: Northeast winds 5 to 10 knots. Bay and inland waters light chop. Scattered showers and thunderstorms in the evening.

Thursday: Northeast winds 10 to 15 knots. Bay and inland waters a moderate chop.

Thursday Night: Northeast winds 15 to 20 knots. Bay and inland waters choppy. Isolated showers and thunderstorms in the evening.

Friday: Northeast winds 15 to 20 knots, becoming north 10 to 15 knots in the afternoon. Bay and inland waters choppy.

Friday Night: Northeast winds 15 to 20 knots. Bay and inland waters choppy.

Saturday: Northeast winds 10 to 15 knots, becoming north 5 to 10 knots in the afternoon. Bay and inland waters a moderate chop.

Saturday Night: North winds 10 to 15 knots, becoming northeast after midnight. Bay and inland waters a moderate chop.

Sunday: Northeast winds 5 to 10 knots, becoming north in the afternoon. Bay and inland waters light chop.

winds and waves higher in and near thunderstorms.







Zone Forecast: Tampa Bay waters (GMZ830)

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