Bar Harbor, ME to Boston Harbor, MA map preview
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Bar Harbor, ME to Boston Harbor, MA Marine Weather Route Forecast

Classic Down East cruise, transitioning from rugged, rocky coastline of Maine to urban waters.

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 Bar Harbor, ME to Boston Harbor, MA.

Generated: 2026-07-21T11:01:19.945676+00:00 • Distance: 183.9 NM • Departure: 2026-07-21T08:00:00-04:00 • Speed: 6 knots
Time Wind Waves Ocean Current Air/Water
2026-07-21T12:00:00+00:00 9.3412561 kts 0.6 m 0.0 kts E E 20.4 / 15.2 °C
2026-07-21T16:00:00+00:00 12.419011000000001 kts 1.12 m 0.5 kts ENE ENE 12.6 / 14.2 °C
Locked forecast rows are available to signed-in users.

Route Passage Summary & Sea State

Expect a majority of reaching conditions with steady motion. Winds range from 4 to 25 kts with waves 1.6 to 6.1 ft with period of 4 to 6 seconds. Overall, periods of cross-seas may create some roll. Caution: peak winds reach 25 kts — conditions may be demanding regardless of point of sail. Wind angles: 67% reaching, 33% on the nose. Sea state: 56% aligned, 44% cross-seas.

Historical Forecasts Download GPX File

Related Routes

Boston Harbor, MA to Bar Harbor, ME
183.9 NM 15 waypoints
Gloucester, MA to Rockland, ME
132.6 NM 15 waypoints
Mount Desert Island, Bar Harbor, ME to Rockland Harbor, ME
61.2 NM 7 waypoints
Portland Harbor, ME to Provincetown Harbor, MA
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.