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Swell Matrix
New England
Graphical Wave Forecast
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Wed Apr 02
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Fri Apr 04
Sat Apr 05
Sun Apr 06
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Tue Apr 08
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Fri Apr 11
Sat Apr 12
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Wed Apr 16
Thu Apr 17
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Swell Height (feet)
Day of Week, AM / PM
Multiple swell forecast for Sat Apr 05: Swell 1: Height: 1.37 feet Period: 7 seconds Direction: 154 degrees Swell 2: Height: 3.1 feet Period: 4.1 seconds Direction: 137 degrees Swell 3: Height: 3.1 feet Period: 4.1 seconds Direction: 137 degrees Swell 4: Height: 1.26 feet Period: 3 seconds Direction: 55 degrees Swell 5: Height: 1.26 feet Period: 3 seconds Direction: 55 degrees... Sun Apr 06: Swell 1: Height: 5.17 feet Period: 6.8 seconds Direction: 135 degrees Swell 2: Height: 5.08 feet Period: 6.7 seconds Direction: 156 degrees Swell 3: Height: 5.08 feet Period: 6.7 seconds Direction: 156 degrees... Mon Apr 07: Swell 1: Height: 2.58 feet Period: 9.4 seconds Direction: 154 degrees Swell 2: Height: 3.1 feet Period: 8.5 seconds Direction: 158 degrees... Tue Apr 08: Swell 1: Height: 2.05 feet Period: 7.6 seconds Direction: 154 degrees Swell 2: Height: 2.05 feet Period: 7.6 seconds Direction: 154 degrees Swell 3: Height: 4.82 feet Period: 4.9 seconds Direction: 293 degrees Swell 4: Height: 4.82 feet Period: 4.9 seconds Direction: 293 degrees Swell 5: Height: 3.21 feet Period: 3.8 seconds Direction: 164 degrees Swell 6: Height: 3.21 feet Period: 3.8 seconds Direction: 164 degrees... Wed Apr 09: Swell 1: Height: 1.28 feet Period: 8 seconds Direction: 151 degrees Swell 2: Height: 1.08 feet Period: 8 seconds Direction: 148 degrees Swell 3: Height: 4.58 feet Period: 4.9 seconds Direction: 281 degrees Swell 4: Height: 3.44 feet Period: 4.5 seconds Direction: 319 degrees Swell 5: Height: 3.44 feet Period: 4.5 seconds Direction: 319 degrees... Fri Apr 11: Swell 1: Height: 5.06 feet Period: 5.5 seconds Direction: 110 degrees Swell 2: Height: 2.36 feet Period: 3.9 seconds Direction: 124 degrees Swell 3: Height: 2.36 feet Period: 3.9 seconds Direction: 124 degrees... Sat Apr 12: Swell 1: Height: 10.73 feet Period: 9.9 seconds Direction: 108 degrees Swell 2: Height: 7.85 feet Period: 9.5 seconds Direction: 116 degrees... Sun Apr 13: Swell 1: Height: 4.45 feet Period: 9.4 seconds Direction: 115 degrees Swell 2: Height: 4.45 feet Period: 9.4 seconds Direction: 115 degrees Swell 3: Height: 3.06 feet Period: 9.2 seconds Direction: 155 degrees Swell 4: Height: 3.06 feet Period: 9.2 seconds Direction: 155 degrees Swell 5: Height: 3.06 feet Period: 9.2 seconds Direction: 155 degrees Swell 6: Height: 3.02 feet Period: 9.1 seconds Direction: 150 degrees Swell 7: Height: 3.05 feet Period: 8.7 seconds Direction: 105 degrees Swell 8: Height: 3.05 feet Period: 8.7 seconds Direction: 105 degrees Swell 9: Height: 3.64 feet Period: 4.7 seconds Direction: 173 degrees Swell 10: Height: 3.64 feet Period: 4.7 seconds Direction: 173 degrees... Mon Apr 14: Swell 1: Height: 2.14 feet Period: 9 seconds Direction: 105 degrees Swell 2: Height: 2.09 feet Period: 8.9 seconds Direction: 125 degrees Swell 3: Height: 2.54 feet Period: 8.8 seconds Direction: 152 degrees Swell 4: Height: 5.24 feet Period: 5.2 seconds Direction: 306 degrees Swell 5: Height: 5.3 feet Period: 5.1 seconds Direction: 290 degrees... Tue Apr 15: Swell 1: Height: 4.61 feet Period: 4.9 seconds Direction: 295 degrees Swell 2: Height: 2.43 feet Period: 3.8 seconds Direction: 313 degrees Swell 3: Height: 2.43 feet Period: 3.8 seconds Direction: 313 degrees... Wed Apr 16: Swell 1: Height: 3.48 feet Period: 4.3 seconds Direction: 319 degrees Swell 2: Height: 3.48 feet Period: 4.3 seconds Direction: 319 degrees Swell 3: Height: 2.53 feet Period: 3.9 seconds Direction: 307 degrees... Thu Apr 17: Swell 1: Height: 3.56 feet Period: 4.5 seconds Direction: 325 degrees... Wed Apr 02: Swell 1: Height: 2.83 feet Period: 9.2 seconds Direction: 144 degrees Swell 2: Height: 2.83 feet Period: 9.2 seconds Direction: 144 degrees Swell 3: Height: 2.57 feet Period: 8.9 seconds Direction: 142 degrees Swell 4: Height: 2.74 feet Period: 5.2 seconds Direction: 22 degrees Swell 5: Height: 2.74 feet Period: 5.2 seconds Direction: 22 degrees Swell 6: Height: 1.28 feet Period: 2.6 seconds Direction: 152 degrees Swell 7: Height: 1.28 feet Period: 2.6 seconds Direction: 152 degrees... Thu Apr 03: Swell 1: Height: 7.26 feet Period: 7.4 seconds Direction: 168 degrees Swell 2: Height: 6.32 feet Period: 6 seconds Direction: 154 degrees... Fri Apr 04: Swell 1: Height: 2.68 feet Period: 7.7 seconds Direction: 158 degrees Swell 2: Height: 2.02 feet Period: 7.5 seconds Direction: 155 degrees Swell 3: Height: 1.96 feet Period: 3.3 seconds Direction: 277 degrees Swell 4: Height: 1.96 feet Period: 3.3 seconds Direction: 277 degrees Swell 5: Height: 1.96 feet Period: 3.3 seconds Direction: 277 degrees Swell 6: Height: 1.39 feet Period: 3.2 seconds Direction: 300 degrees...
Instructions
Circle size corresponds to wave period length.
For a given swell height, a longer-period wave will break into larger surf than a short period wave
.
Hover or tap a circle for detailed swell train information
Circle color indicates the direction the swell is coming from
The line indicates estimated surf height. It assumes swell hitting the shore at a 90 degree angle at a well exposed-spot.
On small screens, swipe or scroll horizontally to see all the days in the forecast
Surf Height Calculator:
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Data run: 2025-04-01_18_44098