Green Harbor

Green Harbor (Marshfield) is a sheltered beach/jetty surf spot that tends to work only once in a while, so wave quality can be highly condition-dependent. The setup centers on the jetty at the end of Beach Street, where the break is shaped by sandbars and typically prefers mid tide. Wind-wise, northeast wind is referenced as the best direction by one spot guide, but another description highlights offshore winds from the West or Northwest as the winds that clean up the faces. In practice, this means you’ll want to time the session to match both the swell direction and the local wind direction so the jetty break actually organizes. Safety is the major constraint here: dangerous rips and strong rip currents are repeatedly flagged, especially next to the jetty/rocks, with additional rippiness attributed to estuary outflow. Heavy harbor/boat traffic near the channel is also a concern—riders should stay clear of the navigational area and be cautious around the rocks/submerged hazards. For equipment and cold-water comfort, the spot guidance emphasizes winter-appropriate protection, including a wetsuit plus neoprene hood, gloves, and boots for colder months. Lifeguards are seasonal, rescue coverage is limited, and emergency procedures should be treated seriously given the strong currents near the rocks.