St. Augustine Inlet, FL to Government Cut, Miami, FL map preview
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St. Augustine Inlet, FL to Government Cut, Miami, FL Marine Weather Route Forecast

Extended offshore passage; needs solid weather window.

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. Augustine Inlet, FL to Government Cut, Miami, FL.

Generated: 2026-07-21T10:58:24.050432+00:00 • Distance: 271.8 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 11.0691185 kts 0.56 m 0.1 kts N N 26.2 / 29.7 °C
2026-07-21T16:00:00+00:00 12.7969809 kts 0.68 m 0.6 kts NNW NNW 28.1 / 28.9 °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 6 to 19 kts with waves 0.9 to 3.2 ft with period of 4 to 6 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 46% reaching, 54% on the nose. Sea state: 62% aligned, 38% cross-seas.

Historical Forecasts Download GPX File

Related Routes

Government Cut, Miami, FL to St. Augustine Inlet, FL
271.8 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
Charleston Harbor, SC to Government Cut, Miami, FL
425.8 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.