Onset Harbor, MA to Norfolk / Hampton VA map preview

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

400 mile offshore passage from Onset to Norfolk includes navigating Buzzards Bay, passing the Elizabeth Islands and Block Island, running outside Long Island and traversing major shipping channels. 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 Onset Harbor, MA to Norfolk / Hampton VA.

Generated: 2026-09-04T10:37:14.827366+00:00Distance: 410.2 NMDeparture: 2026-09-04T08:00:00-04:00Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-09-04T12:00:00+00:00 3.0237591999999998 kts 0.22 m 0.1 kts W W 20.4 / 23.1 °C
2026-09-04T16:00:00+00:00 6.479484 kts 0.54 m 0.4 kts ENE ENE 25.1 / 21.5 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect mostly following winds with generally comfortable motion. Winds range from 3 to 18 kts with waves 0.7 to 3.5 ft with period of 3 to 7 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 53% following, 42% reaching, 5% on the nose. Sea state: 26% aligned, 47% cross-seas, 26% opposed.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°5%
ReachingClose Hauled45–80°11%
ReachingBeam Reach80–110°26%
ReachingBroad Reach110–145°5%
FollowingRun145–180°53%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized26%
Cross SeasWaves cross the windRolling47%
OpposedWaves against the windChoppy, confused26%

Related Routes

Norfolk / Hampton, VA to Onset Harbor, MA
409.5 NM 36 waypoints
Nantucket, MA to Norfolk / Hampton, VA
402.4 NM 15 waypoints
Absecon Inlet, Atlantic City, NJ to Norfolk / Hampton, VA
178.2 NM 10 waypoints
Atlantic Highlands / Sandy Hook, NJ to Norfolk / Hampton, VA
259.8 NM 15 waypoints

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