Wave Heights

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

This Afternoon
This Afternoon<br>Showers. The rain could be heavy at times.  High near 53. Breezy, with a south wind around 20 mph, with gusts as high as 47 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
WednesdayWednesday<br>Sunny, with a temperature falling to around 33 by 5pm. Breezy, with a west wind 17 to 21 mph, with gusts as high as 31 mph.
Thursday<br>Mostly sunny, with a high near 30. Northwest wind 13 to 16 mph, with gusts as high as 30 mph.
Friday<br>Sunny, with a high near 31.
Saturday<br>Mostly sunny, with a high near 45. Breezy.
Sunday<br>A chance of rain.  Mostly cloudy, with a high near 46. Chance of precipitation is 50%.
Monday<br>Rain likely.  Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
12AM-20mph from the SSE
03AM-17mph from the S
06AM-11mph from the S
12PM-17mph from the S
03PM-21mph from the S
06PM-22mph from the SSW
12AM-14mph from the W
03AM-13mph from the W
06AM-16mph from the W
12PM-20mph from the W
03PM-18mph from the WNW
06PM-18mph from the WNW
12AM-11mph from the NW
03AM-10mph from the NW
06AM-11mph from the NW
12PM-16mph from the NW
03PM-16mph from the NW
06PM-17mph from the NW
12AM-18mph from the NW
03AM-17mph from the NW
06AM-17mph from the NW
12PM-13mph from the NW
03PM-10mph from the NW
06PM-6mph from the W
12AM-7mph from the SSW
03AM-9mph from the SSW
06AM-11mph from the SSW
12PM-18mph from the SSW
03PM-18mph from the SW
06PM-17mph from the SW
12AM-15mph from the SW
03AM-14mph from the SW
06AM-13mph from the SW
12PM-15mph from the SSW
03PM-15mph from the SSW
06PM-14mph from the SSW
12AM-17mph from the SSW
03AM-17mph from the SSW
06AM-16mph from the SW
12PM-16mph from the SSE
03PM-15mph from the SSW
06PM-14mph 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