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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>Patchy fog.  Otherwise, mostly cloudy, with a low around 70. Southwest wind 6 to 8 mph.
Friday NightFriday Night<br>Mostly clear, with a low around 67. Southwest wind 7 to 9 mph.
Saturday Night
Saturday Night<br>A chance of showers, mainly after 3am.  Mostly cloudy, with a low around 66. Southwest wind 5 to 9 mph.  Chance of precipitation is 30%.
Sunday Night
Sunday Night<br>Showers likely, mainly after 11pm.  Cloudy, with a low around 66. Chance of precipitation is 60%.
Monday Night
Monday Night<br>A chance of showers.  Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday Night
Tuesday Night<br>Mostly cloudy, with a low around 64.
Wednesday Night
Wednesday Night<br>Partly cloudy, with a low around 65.
01AM-3mph from the SW
04AM-6mph from the SW
07AM-8mph from the W
01PM-3mph from the SSW
04PM-7mph from the SSW
07PM-9mph from the SW
01AM-8mph from the NW
04AM-6mph from the NNW
07AM-5mph from the NW
01PM-6mph from the S
04PM-7mph from the S
07PM-7mph from the SSW
01AM-6mph from the SW
04AM-6mph from the SSW
07AM-5mph from the WSW
01PM-7mph from the E
04PM-6mph from the E
07PM-6mph from the E
01AM-5mph from the SE
04AM-6mph from the ESE
07AM-8mph from the NE
01PM-8mph from the NNE
04PM-7mph from the NNE
07PM-6mph from the NE
01AM-6mph from the E
04AM-7mph from the E
07AM-8mph from the E
01PM-9mph from the NNE
04PM-9mph from the NNE
07PM-8mph from the NNE
01AM-9mph from the N
04AM-9mph from the N
07AM-9mph from the NNE
01PM-8mph from the NNE
04PM-7mph from the NE
07PM-6mph from the E
01AM-6mph from the SSW
04AM-6mph from the SSW
07AM-5mph from the S
01PM-8mph from the SSE
04PM-8mph from the SSE
07PM-8mph from the SSE


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