St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Port Royal Sound, Hilton Head Island, SC map preview
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St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Port Royal Sound, Hilton Head Island, SC

Popular Georgia bypass route; offshore avoiding shoals.

Latest Automated Forecast

Updated daily with ECMWF data for St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Port Royal Sound, Hilton Head Island, 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: 2026-06-13T10:10:48.839686+00:00 • Distance: 102.1 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 3.1317506 kts 0.36 m 1.2 kts ENE ENE 27.3°C
Locked forecast rows are available to signed-in users.

Daily Route Forecast Summary

Expect a majority of reaching conditions with steady motion. Winds range from 3 to 16 kts with waves 1.2 to 1.9 ft with period of 4 to 6 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 33% following, 67% reaching. Sea state: 50% aligned, 50% cross-seas.

Historical Forecasts Download GPX File

Related Routes

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Norfolk / Hampton, VA to Port Royal Sound, Hilton Head Island, SC
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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.