Green Harbor Surf Forecast and Surf Reports

(Massachusetts, USA)

Forecast
- Hourly Forecast
- 16 Day Forecast
Maps
Live
Weather State
Spot Information

Green Harbor Surf Guide

Green Harbor in Massachusetts is a sheltered beach/Jetty break that only works once in a while. Summer in particular tends to be flat. The best wind direction is from the northeast. Waves just as likely from local windswells as from distant groundswells and the best swell direction is from the northeast. The beach breaks favour lefts. Best around mid tide. When it's working here, it can get crowded. Surfing here means negotiating dangerous rips.

Green Harbor Spot Info

Type:	Rating:	Reliability:	Todays Sea Temp*:
Beach/jetty	3	inconsistent	8.8°C*ocean temperature recorded from satellite

Surfing Green Harbor:

The best conditions reported for surf at Green Harbor occur when a Northeast swell combines with an offshore wind direction from the Northeast.

Hourly Forecast

16 Day Forecast

What's the best time of year to surf Green Harbor (for consistent clean waves)?

marchBest Season: spring

The best time of year for surfing Green Harbor with consistent clean waves (rideable swell with light / offshore winds) is during Spring and most often the month of March. Clean surfable waves are typically found 6% of the time in March while 0% of the time it tends to be blown out. For the remaining 94% of the time it is considered too small by most surfers but may still be OK for beginners and groms at times.

clean

Surfable waves that hold up well for longer rides in prevailing cross-offshore, offshore or light wind conditions.

blown out

Surfable sized waves that are of poorer quality due to prevailing onshore, cross-onshore or windy conditions (may be preferable for kitesurfing).

too small

94%

Waves usually considered too small for good surf. Some wave-magnet breaks may still work though if conditions are right (on occasion).

Explore Green Harbor Location Map

Interactive Green Harbor surf break location map. View information about nearby surf breaks, their wave consistency and rating compared to other spots in the region. Current swell conditions from local buoys are shown along with live wind speed and direction from nearby weather stations. Click icons on the map for more detail. The closest passenger airport to Green Harbor is General Edward Lawrence Logan International (Boston) Airport (BOS) in USA, 44 km (27 miles) away (directly). The second nearest airport to Green Harbor is Otis Angb (Falmouth) Airport (FMH), also in USA, 48 km (30 miles) away.

Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)

Please note that some surf spot locations are approximate to protect their exact location while others are not shown at close zoom level.

Green Harbor Surf Forecasts:

Hourly Forecast

16 Day Forecast

Todays Surf Summary
Monday, 4 May 2026, 19:25 Local Time

m, °C	Monday 04			Tue
ft, °F	5PM	8PM	11PM	2AM
Wave (m)	ENE	SSW	ENE	SSW
Period (s)	9	4	9	4
Wind (km/h)
Wind State	on	on	on	on

What does Green Harbor look like?

Latest photos from Green Harbor. Upload your own or view all photos on the gallery page.

Tides at Green Harbor

Current tide and informaton

For Brant Rock, Green Harbor River, Massachusetts, 1 km from Green Harbor.

Next High Water: 02:10am | 2.83m

Next Low Water: 07:58pm | 0.53m

NEXT	IS AT (local time)	remaining
high tide
low tide

Green Harbor Sea Temperature

Sunny with pleasant to warm air temperatures (feels like 18.0 °C) at Green Harbor, yet the sea remains very cold (8.8 °C). Surfers will need a thick winter wetsuit, a hood, gloves and neoprene boots.

Today, many surfers would wear a winter wetsuit, a neoprene hood, gloves and boots.