Charleston Harbor, SC to Cape May Inlet, NJ map preview
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Charleston Harbor, SC to Cape May Inlet, NJ

Big offshore leg around Cape Hatteras; requires stable weather window.

Latest Automated Forecast

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Updated daily with ECMWF data for Charleston Harbor, SC to Cape May Inlet, NJ. This page shows the latest forecast snapshot, route distance, waypoint count, and the first forecast points so search engines can read meaningful route-specific content without JavaScript.

Generated: 2026-06-04T10:44:33.044733+00:00 • Distance: 507.1 NM • Departure: 2026-06-04T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Temp
2026-06-04T12:00:00+00:00 5.6695485 kts 0.58 m 17.5°C
2026-06-04T16:00:00+00:00 7.775380800000001 kts 0.96 m 23.8°C
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Daily Route Forecast Summary

Expect mixed conditions with no major headwinds. Winds range from 1 to 23 kts with waves 1.6 to 5.0 ft with period of 5 to 8 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 35% following, 48% reaching, 17% on the nose. Sea state: 30% aligned, 39% cross-seas, 30% opposed.

Historical Forecasts Download GPX File

Related Routes

Cape May Inlet, NJ to Charleston Harbor, SC
505.7 NM 8 waypoints
Absecon Inlet, Atlantic City, NJ to Cape May Inlet, NJ
34.5 NM 8 waypoints
Barnegat Inlet, NJ to Cape May Inlet, NJ
65.8 NM 7 waypoints
Beaufort Inlet, NC to Cape May Inlet, NJ
316.4 NM 10 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.