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Massachusetts
Wave Heights



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


Today
Today<br>Rain likely, mainly before 7am.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 45. North wind 10 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
ThursdayThursday<br>Sunny, with a high near 46. North wind 10 to 14 mph, with gusts as high as 28 mph.
Friday
Friday<br>A slight chance of rain and snow before 10am, then a chance of rain.  Mostly cloudy, with a high near 40. Northeast wind 6 to 8 mph.  Chance of precipitation is 40%.
Saturday
Saturday<br>Rain, mainly before 5pm.  High near 44. Breezy.  Chance of precipitation is 80%.
Sunday
Sunday<br>Mostly sunny, with a high near 44.
Monday
Monday<br>Sunny, with a high near 43.
Tuesday
Tuesday<br>A chance of rain.  Partly sunny, with a high near 46. Chance of precipitation is 30%.
12AM-7mph from the NE
03AM-8mph from the NNE
06AM-11mph from the N
12PM-14mph from the N
03PM-13mph from the N
06PM-14mph from the NNW
12AM-16mph from the N
03AM-14mph from the N
06AM-13mph from the N
12PM-13mph from the N
03PM-9mph from the N
06PM-6mph from the N
12AM-7mph from the N
03AM-7mph from the N
06AM-7mph from the NNE
12PM-7mph from the ENE
03PM-6mph from the E
06PM-9mph from the ESE
12AM-15mph from the ESE
03AM-16mph from the ESE
06AM-17mph from the E
12PM-22mph from the ENE
03PM-21mph from the NE
06PM-20mph from the NNE
12AM-16mph from the NNE
03AM-14mph from the N
06AM-13mph from the N
12PM-9mph from the NW
03PM-8mph from the WNW
06PM-7mph from the W
12AM-9mph from the NW
03AM-9mph from the NNW
06AM-9mph from the NNW
12PM-7mph from the NNW
03PM-7mph from the NNE
06PM-7mph from the ESE
12AM-7mph from the ESE
03AM-8mph from the SE
06AM-9mph from the SE
12PM-14mph from the SE
03PM-15mph from the SE
06PM-14mph from the SE


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