Charleston Harbor, SC to Port Royal Sound, Hilton Head Island, SC map preview
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Charleston Harbor, SC to Port Royal Sound, Hilton Head Island, SC

Easy coastline run; minimal hazards.

Latest Automated Forecast

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Updated daily with ECMWF data for Charleston Harbor, SC 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: 2026-06-04T10:30:48.953782+00:00 • Distance: 73.3 NM • Departure: 2026-06-04T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Temp
2026-06-04T12:00:00+00:00 5.8315356000000005 kts 0.58 m 17.8°C
2026-06-04T16:00:00+00:00 8.4233292 kts 0.82 m 24.0°C
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Daily Route Forecast Summary

Expect mostly following winds with generally comfortable motion. Winds range from 6 to 11 kts with waves 1.6 to 3.0 ft with period of 5 to 6 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 60% following, 40% reaching. Sea state: 60% aligned, 40% cross-seas.

Historical Forecasts Download GPX File

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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.