St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Charleston Harbor, SC map preview
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St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Charleston Harbor, SC

Strategic Georgia bypass. Stays offshore of the complex and shallow Georgia sounds. Watch for commercial traffic entering the Savannah River.

Latest Automated Forecast

Updated daily with ECMWF data for St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Charleston Harbor, SC. This page shows the latest forecast snapshot, route distance, waypoint count, and the first forecast points so search engines can read meaningful route-specific content without JavaScript.

Generated: 2026-06-13T10:13:41.151340+00:00 • Distance: 151.6 NM • Departure: 2026-06-13T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Current Temp
2026-06-13T12:00:00+00:00 5.939527 kts 0.38 m 0.6 kts NE NE 25.6°C
2026-06-13T16:00:00+00:00 4.697625899999999 kts 0.4 m 1.2 kts ENE ENE 27.1°C
Locked forecast rows are available to signed-in users.

Daily Route Forecast Summary

Expect mostly following winds with generally comfortable motion. Winds range from 5 to 17 kts with waves 1.2 to 2.2 ft with period of 4 to 6 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 62% following, 38% reaching. Sea state: 50% aligned, 50% cross-seas.

Historical Forecasts Download GPX File

Related Routes

St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Ft. Pierce Inlet, FL
207.7 NM 6 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Government Cut, Miami, FL
315.8 NM 9 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Grand Cay, Abacos, Bahamas
304.4 NM 10 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Marsh Harbour, Abacos, Bahamas
354.2 NM 7 waypoints

Navigation Responsibility

This forecast is for informational purposes only. You are responsible for your own navigation and safety at sea. Always verify weather conditions with official sources, maintain a proper watch, and exercise prudent seamanship. Do not rely solely on this forecast for critical navigation decisions. See our Terms of Service for full details.