St. Augustine Inlet, FL to St Johns River Inlet, Jacksonville, FL map preview
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St. Augustine Inlet, FL to St Johns River Inlet, Jacksonville, FL Marine Weather Route Forecast

Short coastal hop between St Augustine and Jacksonville.

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 St Johns River Inlet, Jacksonville, FL.

Generated: 2026-07-28T11:27:02.116481+00:00 • Distance: 35.1 NM • Departure: 2026-07-28T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-07-28T12:00:00+00:00 5.0755958 kts 0.26 m 0.2 kts SE SE 24.9 / 29.4 °C
2026-07-28T16:00:00+00:00 1.9978409000000001 kts 0.36 m 0.2 kts SSE SSE 28.0 / 30.3 °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 2 to 6 kts with waves 0.9 to 1.2 ft with period of 8 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 33% following, 67% reaching. Sea state: 33% aligned, 33% cross-seas, 33% opposed.

Historical Forecasts Download GPX File

Related Routes

St. John's River Inlet, Jacksonville, FL to St. Augustine Inlet, FL
35.1 NM 6 waypoints
Ponce de Leon Inlet, New Smyrna Beach, FL to St Johns River Inlet, Jacksonville, FL
91.1 NM 6 waypoints
St. Augustine Inlet, FL to Ft. Pierce Inlet, FL
164.8 NM 7 waypoints
St. Augustine Inlet, FL to Government Cut, Miami, FL
271.8 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.