Provincetown Harbor, MA to Gloucester, MA map preview
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Provincetown Harbor, MA to Gloucester, MA Marine Weather Route Forecast

Used when rounding Cape Ann toward Maine; crossing Massachusetts Bay.

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 Gloucester, MA.

Generated: 2026-07-29T11:07:37.280646+00:00 • Distance: 46.7 NM • Departure: 2026-07-29T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-07-29T12:00:00+00:00 10.0971959 kts 0.72 m 0.6 kts SSW SSW 21.5 / 19.8 °C
2026-07-29T16:00:00+00:00 14.848817500000001 kts 1.12 m 1.0 kts N N 19.4 / 18.6 °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 10 to 15 kts with waves 2.1 to 3.7 ft with period of 4 to 5 seconds. Overall, wind and waves mostly aligned or partially aligned. Wind angles: 67% following, 33% reaching. Sea state: 67% aligned, 33% cross-seas.

Historical Forecasts Download GPX File

Related Routes

Gloucester, MA to Provincetown Harbor, MA
46.7 NM 7 waypoints
Cape Cod Canal, MA to Gloucester, MA
50.2 NM 5 waypoints
Cape Cod, MA to Gloucester, MA
47.3 NM 7 waypoints
Portsmouth Harbor Inlet, NH to Gloucester, MA
35.9 NM 8 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.