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Massachusetts
Wave Heights



Near Shore Wave Height Forecast
*Massachusetts surf and weather forecast based on Coast Guard Beach


Overnight
Overnight<br>Rain. The rain could be heavy at times.  Areas of fog. Low around 47. Windy, with an east wind around 26 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday NightSaturday Night<br>A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Areas of fog before 8pm.  Otherwise, mostly cloudy, with a low around 42. Windy, with a southwest wind 22 to 29 mph, with gusts as high as 49 mph.  Ch
Sunday Night
Sunday Night<br>Mostly clear, with a low around 30. Windy, with a west wind 22 to 29 mph, with gusts as high as 50 mph.
Monday Night
Monday Night<br>Rain and snow likely before midnight, then rain.  Low around 35. Southwest wind 6 to 8 mph becoming southeast after midnight.  Chance of precipitation is 80%.
Tuesday Night
Tuesday Night<br>A chance of rain before 10pm.  Mostly cloudy, with a low around 33. Northeast wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 30%.
Wednesday Night
Wednesday Night<br>Mostly cloudy, with a low around 22. Blustery, with a west wind 18 to 25 mph, with gusts as high as 36 mph.
Thursday Night
Thursday Night<br>Partly cloudy, with a low around 23. Northwest wind 16 to 18 mph.
12AM-18mph from the ESE
03AM-23mph from the ESE
06AM-25mph from the ESE
12PM-30mph from the S
03PM-21mph from the S
06PM-21mph from the S
12AM-26mph from the SW
03AM-26mph from the WSW
06AM-26mph from the WSW
12PM-26mph from the W
03PM-26mph from the W
06PM-28mph from the W
12AM-26mph from the W
03AM-23mph from the W
06AM-20mph from the W
12PM-13mph from the W
03PM-9mph from the WSW
06PM-7mph from the WSW
12AM-6mph from the S
03AM-7mph from the SE
06AM-9mph from the SE
12PM-10mph from the NNE
03PM-10mph from the N
06PM-11mph from the NNE
12AM-9mph from the NNW
03AM-9mph from the NNW
06AM-9mph from the NW
12PM-13mph from the W
03PM-15mph from the W
06PM-17mph from the WNW
12AM-24mph from the WNW
03AM-24mph from the WNW
06AM-23mph from the NW
12PM-21mph from the NW
03PM-20mph from the NW
06PM-18mph from the NW
12AM-16mph from the NW
03AM-16mph from the NW
06AM-15mph from the NW
12PM-14mph from the NW
03PM-13mph from the NW
06PM-11mph from the NW


How this works

This chart shows you 7-days worth of swell/weather/wind information all in place. You have “incoming swell” (in feet) charted by the blue line on the gray graph. You have the weather icons for each day below the graph and you have the wind, speed and direction represented by the directional arrows topped by a blue “wind strength” indicator.

These nearshore wave height forecasts are custom built for each surf region using an average/above-average indicator break as a focal point. These forecasts aren’t just some knock-off of a generic Wavewatch III spectral point being regurgitated, these are true nearshore forecasts that use proprietary algorithms factoring in things like swell windows, island shadowing, bathymetry data, swell-period travel time, and other critical forecast components that tune the nearshore forecast specifically for your region, giving you a good solid overview of incoming swell, weather and wind, so that you can go out and find the best spot to score.

Massachusetts Offshore Swell Forecast

How this works

The Offshore Swell Forecast shows you the 7-day forecast starting at the current time and going out from the latest forecast run. Mousing over any part of the graph (any line including the solid shaded area in the background) will pop up a new box near your pointer that shows the DATE/TIME/COMBINED BUOY HEIGHT in the top of the box, and then the specifics of the line you are hovering over like SWELL HEIGHT, SWELL PERIOD, SWELL DIRECTION (both in Simple Compass direction, like Northwest, and specific degrees 308). If you follow the contour of the line you can see hour by hour how that swell behaves over the course of the forecast period.

*Note: clicking on an individual swell in the legend of the chart you can “hide” that data stream making the chart easier to navigate