Charleston, SC to Fernandina Beach, FL map preview
← Back to Maritime Weather Routing Library

Charleston, SC to Fernandina Beach, FL Marine Weather Route Forecast

South Carolina to northeast Florida, offshore.

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, SC to Fernandina Beach, FL.

Generated: 2026-07-21T11:18:28.474161+00:00 • Distance: 161.3 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 7.775380800000001 kts 0.78 m 0.2 kts N N 29.6 / 30.4 °C
2026-07-21T16:00:00+00:00 17.4946068 kts 1.08 m 0.5 kts N N 29.6 / 30.2 °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 8 to 21 kts with waves 2.6 to 4.7 ft with period of 4 to 5 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 62% reaching, 38% on the nose. Sea state: 62% aligned, 38% cross-seas.

Historical Forecasts Download GPX File

Related Routes

Charleston Harbor, SC to St. Mary's Inlet, GA /FL and Fernandina Beach, FL
151.6 NM 7 waypoints
Fernandina Beach, FL to Charleston, SC
154 NM 11 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Charleston Harbor, SC
151.6 NM 7 waypoints
Beaufort Inlet, NC to Charleston Harbor, SC
198.6 NM 6 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.