Marine Weather Advisory for Florida's Gulf Coast
Marine Weather Advisory for Florida's Gulf Coast
US · Published Sep 18, 2026
The National Weather Service has issued a marine forecast for the Gulf coastal waters from Bonita Beach to the Suwannee River, Florida, effective Friday, September 18,
Northeast winds are expected to range from 10 to 15 knots, decreasing to 5 to 10 knots by the afternoon. Seas will generally be around 2 feet, with wave periods of 4 seconds. Scattered showers and thunderstorms are anticipated throughout the day, with isolated storms in the morning and more widespread activity in the afternoon. Mariners are advised to exercise caution, particularly in areas where thunderstorms may produce locally higher winds and waves.

Impact & Risks

Small Craft Exercise Caution is in effect for waters from Tarpon Springs to Suwannee River, where northeast winds of 15 to 20 knots and seas of 2 to 3 feet are expected. Thunderstorms may bring locally higher winds and waves, posing risks to small vessels. Bay and inland waters will experience moderate chop, which could challenge less experienced boaters. Mariners should remain vigilant for sudden weather changes and avoid areas with active thunderstorms.

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