St. Augustine Inlet, FL to Government Cut, Miami, FL map preview

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: 2026-10-19T10:29:12.155916+00:00 • Distance: 271.8 NM • Departure: 2026-10-19T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-10-19T12:00:00+00:00 8.3693335 kts 1.8 m 0.5 kts S S 20.4 / 25.8 °C
2026-10-19T16:00:00+00:00 26.6198801 kts 2.04 m 0.8 kts S S 22.3 / 26.1 °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 5 to 27 kts with waves 3.6 to 10.2 ft with period of 7 to 11 seconds. Overall, wind and waves mostly aligned or partially aligned. Caution: peak winds reach 27 kts — conditions may be demanding regardless of point of sail. Wind angles: 31% following, 69% reaching. Sea state: 77% aligned, 23% cross-seas.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°0%
ReachingClose Hauled45–80°0%
ReachingBeam Reach80–110°0%
ReachingBroad Reach110–145°69%
FollowingRun145–180°31%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized77%
Cross SeasWaves cross the windRolling23%
OpposedWaves against the windChoppy, confused0%

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

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