Charleston Harbor, SC to Winyah Bay, Georgetown, SC map preview
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Charleston Harbor, SC to Winyah Bay, Georgetown, SC Marine Weather Route Forecast

Standard offshore leg between Charleston and Georgetown, SC.

Latest Automated Forecast

Optimized for marine passage planning, vessel routing, and coastal or offshore weather tracking. This automated marine weather routing tool updates daily using premium data models. Below is the weather, wave, and ocean current layout for a standard vessel transit from Charleston Harbor, SC to Winyah Bay, Georgetown, SC.

Generated: 2026-07-21T11:04:27.841072+00:00 • Distance: 56.2 NM • Departure: 2026-07-21T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-07-21T12:00:00+00:00 11.1771099 kts 0.78 m 0.2 kts NNE NNE 29.5 / 30.3 °C
2026-07-21T16:00:00+00:00 17.440611099999998 kts 1.04 m 0.7 kts NNE NNE 29.4 / 29.5 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect a majority of reaching conditions with steady motion. Winds range from 9 to 21 kts with waves 2.6 to 3.6 ft with period of 4 to 5 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 25% following, 75% reaching. Sea state: 100% aligned.

Historical Forecasts Download GPX File

Related Routes

Winyah Bay, Georgetown, SC to Charleston Harbor, SC
56.2 NM 11 waypoints
Cape Fear Inlet, Bald Head Island, NC to Winyah Bay, Georgetown, SC
77.8 NM 10 waypoints
Little River Inlet, Myrtle Beach, SC to Winyah Bay, Georgetown, SC
52.8 NM 7 waypoints
Charleston Harbor, SC to Delaware Bay, Lewes, DE
505.2 NM 10 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.