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

Offshore route from St. Mary's / Fernandina Beach to Bahamas; Gulf Stream passage.

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

Generated: 2026-09-11T10:45:18.033039+00:00 • Distance: 354.2 NM • Departure: 2026-09-11T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-09-11T12:00:00+00:00 2.3218151 kts 0.48 m 0.2 kts N N 24.4 / 29.8 °C
2026-09-11T16:00:00+00:00 3.1857463000000004 kts 0.56 m 0.5 kts E E 27.2 / 29.1 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect significant time on the nose, expect a more demanding trip. Winds range from 2 to 13 kts with waves 1.4 to 2.7 ft with period of 6 to 8 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 25% reaching, 75% on the nose. Sea state: 6% aligned, 94% cross-seas.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°75%
ReachingClose Hauled45–80°25%
ReachingBeam Reach80–110°0%
ReachingBroad Reach110–145°0%
FollowingRun145–180°0%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized6%
Cross SeasWaves cross the windRolling94%
OpposedWaves against the windChoppy, confused0%
Historical Forecasts Download GPX File

Related Routes

Marsh Harbour, Abacos, Bahamas to St. Mary's Inlet, GA /FL and Fernandina Beach, FL
354.2 NM 7 waypoints
St. Augustine Inlet, FL to Marsh Harbour, Abacos, Bahamas
329.2 NM 14 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Charleston Harbor, SC
151.6 NM 7 waypoints
St. Mary's Inlet, GA /FL and Fernandina Beach, FL to Ft. Pierce Inlet, FL
207.7 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.