National Weather Service Boston/Norton MA
10:12 PM Monday May 21.
overnight, southwest winds 5 to 10 knots. waves 2 to 3 feet. tuesday, south winds 5 to 10 knots. waves around 2 feet. showers. tuesday night, southeast winds around 5 knots, becoming southwest after midnight. waves around 2 feet. patchy fog. showers. visibility 1 nautical miles or less. wednesday, northwest winds around 5 knots, becoming southwest in the afternoon. waves around 2 feet. patchy fog. visibility 1 to 3 nautical miles. wednesday night, southwest winds 5 to 10 knots, becoming north after midnight. waves 2 to 3 feet. thursday, northeast winds 5 to 10 knots, becoming southeast in the afternoon. waves 2 to 3 feet. thursday night, southwest winds 5 to 10 knots. waves 2 to 3 feet. friday, southwest winds 10 to 15 knots. waves 2 to 4 feet. friday night, southwest winds 10 to 15 knots. waves 2 to 4 feet, except 4 to 7 feet at the bay entrance. saturday, southwest winds 5 to 10 knots. waves 2 to 4 feet. a chance of showers. saturday night, southeast winds 5 to 10 knots. waves 2 to 3 feet. a chance of showers. seas are reported as significant wave height, which is the average of the highest third of the waves. individual wave heights may be more than twice the significant wave height.