Charleston Harbor, SC to Government Cut, Miami, FL map preview

Charleston Harbor, SC to Government Cut, Miami, FL Marine Weather Route Forecast

Major offshore passage requiring stable weather.

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 Government Cut, Miami, FL.

Generated: 2026-09-04T10:45:00.780399+00:00Distance: 425.8 NMDeparture: 2026-09-04T08:00:00-04:00Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-09-04T12:00:00+00:00 2.6457893 kts 0.58 m 0.1 kts W W 27.5 / 29.1 °C
2026-09-04T16:00:00+00:00 10.421170100000001 kts 0.92 m 0.5 kts NNE NNE 27.9 / 28.9 °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 1 to 11 kts with waves 0.3 to 3.0 ft with period of 5 to 8 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 63% reaching, 37% on the nose. Sea state: 11% aligned, 53% cross-seas, 37% opposed.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°37%
ReachingClose Hauled45–80°37%
ReachingBeam Reach80–110°26%
ReachingBroad Reach110–145°0%
FollowingRun145–180°0%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized11%
Cross SeasWaves cross the windRolling53%
OpposedWaves against the windChoppy, confused37%

Related Routes

Government Cut, Miami, FL to Charleston Harbor, SC
433.2 NM 9 waypoints
Beaufort Inlet, NC to Government Cut, Miami, FL
598.6 NM 10 waypoints
Bimini, Bahamas to Government Cut, Miami, FL
42.9 NM 6 waypoints
Ft. Pierce Inlet, FL to Government Cut, Miami, FL
109.7 NM 7 waypoints

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