Provincetown Harbor, MA to Cape Cod Canal, MA map preview
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Provincetown Harbor, MA to Cape Cod Canal, MA Marine Weather Route Forecast

Crossing Cape Cod Bay from the Cape Cod Canal to Provincetown.

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 Provincetown Harbor, MA to Cape Cod Canal, MA.

Generated: 2026-10-20T10:41:16.211014+00:00 • Distance: 22.3 NM • Departure: 2026-10-20T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-10-20T12:00:00+00:00 17.0626412 kts 1.04 m 0.3 kts S S 12.5 / 13.7 °C
2026-10-20T15:43:05.857454+00:00 8.5853163 kts 0.52 m 0.2 kts NW NW 10.5 / 14.6 °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 9 to 17 kts with waves 1.7 to 3.4 ft with period of 5 to 6 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 100% following. Sea state: 100% cross-seas.

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°0%
ReachingBroad Reach110–145°0%
FollowingRun145–180°100%

Sea State & Wave Motion

Sea StateWind vs. WavesBoat MotionPortion of Passage
AlignedWaves run with the windSteady, organized0%
Cross SeasWaves cross the windRolling100%
OpposedWaves against the windChoppy, confused0%
Historical Forecasts Download GPX File

Related Routes

Cape Cod Canal, MA to Provincetown Harbor, MA
22.3 NM 4 waypoints
Gloucester, MA to Cape Cod Canal, MA
50.2 NM 5 waypoints
Provincetown Harbor, MA to Gloucester, MA
46.7 NM 7 waypoints
Provincetown Harbor, MA to Portland Harbor, ME
105.8 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.