Cape Cod Canal, Buzzards Bay, MA to Nantucket, MA map preview
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Cape Cod Canal, Buzzards Bay, MA to Nantucket, MA Marine Weather Route Forecast

Locals cut from Buzzards Bay through Woods Hole Passage to Nantucket Sound; watch for shoals around Nantucket, and study currents through the cut.

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 Cape Cod Canal, Buzzards Bay, MA to Nantucket, MA.

Generated: 2026-09-04T10:31:45.279637+00:00 • Distance: 42.2 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 3.0237591999999998 kts 0.22 m 0.3 kts SW SW 20.4 / 23.0 °C
2026-09-04T16:00:00+00:00 4.9676044 kts 0.42 m 0.9 kts NNE NNE 23.7 / 22.1 °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 8 kts with waves 0.7 to 2.8 ft with period of 4 to 6 seconds. Overall, seas and wind frequently opposed, expect confused motion. Wind angles: 67% following, 33% reaching. Sea state: 67% cross-seas, 33% opposed.

More Detail

Points of Sail

CategoryPoint of SailWind AnglePortion of Passage
On the NoseNo-Go Zone0–45°0%
ReachingClose Hauled45–80°0%
ReachingBeam Reach80–110°33%
ReachingBroad Reach110–145°0%
FollowingRun145–180°67%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized0%
Cross SeasWaves cross the windRolling67%
OpposedWaves against the windChoppy, confused33%
Historical Forecasts Download GPX File

Related Routes

Nantucket, MA to Cape Cod Canal, Buzzards Bay, MA
42.2 NM 12 waypoints
Block Island, RI to Nantucket, MA
69.8 NM 11 waypoints
Norfolk / Hampton, VA to Nantucket, MA
376 NM 8 waypoints
Cape Cod Canal, MA to Gloucester, MA
50.2 NM 5 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.