Boston Harbor Marine Forecast

Hourly forecast at zone center

Hourly wind and waves

Gusts peak near 15kts around 11:00 PM, with waves reaching 0.3ft around 2:00 PM.

Sunday, October 11

11:39 AM EDT

Wind forecast

5ktsS

Gusts:10kts

Wind forecast: 5 kts; gusts 10 kts. Use left and right arrows to inspect hours; Escape to reset.

Hourly wind speed and gust forecastSustained wind is shown in cyan and gusts in blue-gray. Dashed lines show past conditions. Direction arrows show where the wind is traveling.051015202512AM6AM12PM6PM

Waves Now

0.2ftESE

Period2s

Waves Now: 0.2 ft; period 2 seconds. Use left and right arrows to inspect hours; Escape to reset.

Hourly wave height and period forecastWave height is shown in blue. The dashed line shows past conditions. Direction arrows show where the waves are traveling.00.20.40.60.8112AM6AM12PM6PM

NOAA marine forecast

Text forecast

Updated 10:04am EDT Oct 11, 2026

This Afternoon

S winds 5 to 10 kt. Waves 1 foot or less. A slight chance of showers.

Tonight

SE winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight. Patchy fog. Showers. Vsby 1 to 3 NM.

Mon

N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Waves around 2 ft in the morning, then 1 foot or less. Patchy fog in the morning.

Mon Night

NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 foot or less, then around 2 ft after midnight.

Tue

E winds 10 to 15 kt, becoming SE with gusts up to 20 kt in the afternoon. Waves 2 to 3 ft. A chance of showers in the afternoon.

Tue Night

S winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Showers likely.

Wed

W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers.

Wed Night Through Thu Night

N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.

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Interactive Mapbox map highlighting marine forecast zone ANZ230.