Charleston Harbor, SC to Government Cut, Miami, FL map preview
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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: 2026-07-21T11:15:57.863380+00:00 • Distance: 425.8 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 17.332619700000002 kts 1.18 m 0.8 kts NE NE 29.4 / 29.2 °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 7 to 21 kts with waves 0.6 to 4.9 ft with period of 4 to 7 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 5% following, 42% reaching, 53% on the nose. Sea state: 68% aligned, 32% cross-seas.

Historical Forecasts Download GPX File

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

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.