Grand Cay, Abacos, Bahamas to St. Mary's Inlet, GA /FL and Fernandina Beach, FL map preview
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Grand Cay, Abacos, Bahamas to St. Mary's Inlet, GA /FL and Fernandina Beach, FL Marine Weather Route Forecast

Northern Bahamas to Georgia/Florida border crossing. Utilizes the Gulf Stream. NOTE: Use caution boating shallow Bahamian Banks waters.

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 Grand Cay, Abacos, Bahamas to St. Mary's Inlet, GA /FL and Fernandina Beach, FL.

Generated: 2026-07-21T11:19:56.995271+00:00 • Distance: 300.9 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 10.6911486 kts 0.6 m 0.8 kts NNW NNW 29.3 / 30.9 °C
2026-07-21T16:00:00+00:00 11.4470884 kts 0.56 m 0.4 kts E E 30.1 / 31.0 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect mostly following winds with generally comfortable motion. Winds range from 6 to 16 kts with waves 1.8 to 3.2 ft with period of 4 to 6 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 57% following, 43% reaching. Sea state: 64% aligned, 36% cross-seas.

Historical Forecasts Download GPX File

Related Routes

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