Block Island, RI to Beaufort Inlet, NC map preview
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Block Island, RI to Beaufort Inlet, NC Marine Weather Route Forecast

500 mile offshore passage navigating major shipping channels and North Carolina's shoals around Cape Lookout and Hattaras.

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 Block Island, RI to Beaufort Inlet, NC.

Generated: 2026-09-04T10:39:16.927592+00:00 • Distance: 503.6 NM • Departure: 2026-09-04T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-09-04T12:00:00+00:00 7.8293765 kts 0.72 m 0.3 kts SE SE 22.1 / 21.4 °C
2026-09-04T16:00:00+00:00 9.0172819 kts 0.76 m 0.4 kts ENE ENE 22.8 / 21.6 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect mixed conditions with no major headwinds. Winds range from 6 to 20 kts with waves 2.3 to 5.8 ft with period of 4 to 7 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 50% following, 50% reaching. Sea state: 41% aligned, 23% cross-seas, 36% opposed.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°0%
ReachingClose Hauled45–80°9%
ReachingBeam Reach80–110°18%
ReachingBroad Reach110–145°23%
FollowingRun145–180°50%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized41%
Cross SeasWaves cross the windRolling23%
OpposedWaves against the windChoppy, confused36%
Historical Forecasts Download GPX File

Related Routes

Beaufort Inlet, NC to Block Island, RI
500 NM 12 waypoints
Block Island, RI to Atlantic Highlands / Sandy Hook, NJ
130 NM 10 waypoints
Block Island, RI to Bermuda
617 NM 3 waypoints
Block Island, RI to Cuttyhunk, MA
37 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.