Norfolk / Hampton, VA to Onset Harbor, MA map preview

Norfolk / Hampton, VA to Onset Harbor, MA Marine Weather Route Forecast

400 mile offshore passage from Norfolk to Onset includes navigating major shipping channels in Norfolk, New York, Newport RI, and runs outside Long Island. This route passes Block Island and the Elizabeth Islands, and travels Buzzards Bay. Keep an eye on changing weather patterns.

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 Norfolk / Hampton, VA to Onset Harbor, MA.

Generated: 2026-09-04T10:48:35.185235+00:00Distance: 409.5 NMDeparture: 2026-09-04T08:00:00-04:00Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-09-04T12:00:00+00:00 5.615552800000001 kts 0.04 m 0.1 kts S S 25.7 / 30.0 °C
2026-09-04T16:00:00+00:00 8.1533507 kts 0.36 m 0.1 kts W W 31.0 / 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 1 to 16 kts with waves 0.1 to 4.1 ft with period of 3 to 7 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 16% following, 26% reaching, 58% on the nose. Sea state: 5% aligned, 74% cross-seas, 21% opposed.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°58%
ReachingClose Hauled45–80°11%
ReachingBeam Reach80–110°5%
ReachingBroad Reach110–145°11%
FollowingRun145–180°16%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized5%
Cross SeasWaves cross the windRolling74%
OpposedWaves against the windChoppy, confused21%

Related Routes

Onset Harbor, MA to Norfolk / Hampton VA
410.2 NM 34 waypoints
Norfolk / Hampton, VA to Nantucket, MA
376 NM 8 waypoints
Norfolk / Hampton, VA to Absecon Inlet, Atlantic City, NJ
162.5 NM 12 waypoints
Norfolk / Hampton, VA to Atlantic Highlands / Sandy Hook, NJ
259.8 NM 15 waypoints

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