Portland Harbor, ME to Boothbay Harbor, ME map preview
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Portland Harbor, ME to Boothbay Harbor, ME Marine Weather Route Forecast

Local repositioning along the Maine coast.

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 Portland Harbor, ME to Boothbay Harbor, ME.

Generated: 2026-07-29T11:25:27.316641+00:00 • Distance: 33.9 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 4.2656603 kts 0.72 m 0.4 kts W W 18.8 / 14.7 °C
2026-07-29T16:00:00+00:00 15.0648003 kts 1.0 m 0.6 kts WNW WNW 17.4 / 15.9 °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 15 kts with waves 1.9 to 3.3 ft with period of 5 to 6 seconds. Overall, periods of cross-seas may create some roll. Wind angles: 67% reaching, 33% on the nose. Sea state: 100% cross-seas.

Historical Forecasts Download GPX File

Related Routes

Boothbay Harbor, ME to Portland Harbor, ME
33.9 NM 10 waypoints
Portland Harbor, ME to Portsmouth, NH
53.8 NM 14 waypoints
Portland Harbor, ME to Provincetown Harbor, MA
105.8 NM 10 waypoints
Portsmouth, NH to Portland Harbor, ME
54.2 NM 14 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.