Swell Matrix:
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hide labels Wednesday, August 12 Thursday, August 13 Friday, August 14 Saturday, August 15 Sunday, August 16 Monday, August 17 Tuesday, August 18 Wednesday, August 19 Thursday, Aug 20
Hour: 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 5 6 7 8
Sea Height 16.99 ft 16.86 ft 16.89 ft 17.09 ft 17.48 ft 18.04 ft 19.02 ft 20.66 ft 22.93 ft 25.22 ft 27.09 ft 28.27 ft 28.70 ft 28.60 ft 28.18 ft 27.45 ft 26.57 ft 25.68 ft 24.86 ft 24.08 ft 23.29 ft 22.57 ft 21.84 ft 21.19 ft 20.63 ft 20.07 ft 19.61 ft 19.16 ft 18.70 ft 18.27 ft 17.84 ft 17.42 ft 16.99 ft 16.56 ft 16.17 ft 15.74 ft 15.32 ft 14.96 ft 14.60 ft 14.24 ft 13.91 ft 13.58 ft 13.32 ft 13.05 ft 12.82 ft 12.60 ft 12.37 ft 12.17 ft 12.00 ft 11.84 ft 11.78 ft 11.74 ft 11.81 ft 11.91 ft 12.10 ft 12.30 ft 12.53 ft 12.79 ft 13.09 ft 13.38 ft 13.74 ft 14.20 ft 14.76 ft 15.28 ft 15.84 ft 16.56 ft 17.32 ft 18.04 ft 18.70 ft 19.29 ft 19.81 ft 20.34 ft 20.80 ft 21.19 ft 21.42 ft 21.48 ft 21.35 ft 21.09 ft 20.73 ft 20.30 ft 19.91 ft 19.58 ft 19.32 ft 19.12 ft 18.96 ft 18.83 ft 18.73 ft 18.66 ft 18.63 ft 18.63 ft 18.63 ft 18.66 ft 18.70 ft 18.66 ft 18.60 ft 18.47 ft 18.27 ft 18.07 ft 17.88 ft 17.68 ft 17.45 ft 17.25 ft 17.06 ft 16.83 ft 16.63 ft 16.40 ft 16.17 ft 15.94 ft 15.68 ft 15.45 ft 15.19 ft 14.92 ft 14.66 ft 14.43 ft 14.17 ft 13.91 ft 13.68 ft 13.42 ft 13.19 ft 12.92 ft 12.69 ft 12.46 ft 12.27 ft 12.07 ft 11.87 ft 11.68 ft 11.48 ft 11.35 ft 11.18 ft 11.02 ft 10.86 ft 10.69 ft 10.56 ft 10.43 ft 10.33 ft 10.23 ft 10.17 ft 10.14 ft 10.07 ft 10.00 ft 9.91 ft 9.84 ft 9.74 ft 9.64 ft 9.54 ft 9.41 ft 9.28 ft 9.18 ft 9.05 ft 8.89 ft 8.76 ft 8.63 ft 8.50 ft 8.36 ft 8.23 ft 8.13 ft 8.00 ft 7.87 ft 7.74 ft 7.61 ft 7.48 ft 7.35 ft 7.18 ft 7.05 ft 6.92 ft 6.76 ft 6.66 ft 6.56 ft 6.49 ft 6.46 ft 6.49 ft 6.59 ft 6.72 ft 6.89 ft 7.05 ft 7.22 ft 7.35 ft 7.45 ft 7.51 ft 7.54 ft 7.58 ft 7.58 ft 7.61 ft 7.64 ft 7.68 ft 7.74 ft 7.81 ft 7.87 ft 8.00 ft
Height 16.99 ft 16.86 ft 16.89 ft 17.09 ft 17.48 ft 18.04 ft 19.02 ft 20.66 ft 22.93 ft 25.22 ft 27.09 ft 28.27 ft 28.70 ft 28.60 ft 28.18 ft 27.45 ft 26.57 ft 25.68 ft 24.86 ft 24.08 ft 23.29 ft 22.57 ft 21.84 ft 21.19 ft 20.63 ft 20.07 ft 19.61 ft 19.16 ft 18.70 ft 18.27 ft 17.84 ft 17.42 ft 16.99 ft 16.56 ft 16.17 ft 15.74 ft 15.32 ft 14.96 ft 14.60 ft 14.24 ft 13.91 ft 13.58 ft 13.32 ft 13.05 ft 12.82 ft 12.60 ft 12.37 ft 12.17 ft 12.00 ft 11.84 ft 11.78 ft 11.64 ft 11.81 ft 11.91 ft 12.10 ft 12.23 ft 12.53 ft 12.79 ft 13.09 ft 13.38 ft 13.74 ft 14.20 ft 14.76 ft 15.25 ft 15.84 ft 16.56 ft 17.32 ft 18.04 ft 18.70 ft 19.29 ft 19.81 ft 20.34 ft 20.80 ft 21.19 ft 21.42 ft 21.48 ft 21.35 ft 21.09 ft 20.73 ft 20.30 ft 19.91 ft 19.58 ft 19.32 ft 19.12 ft 18.96 ft 18.83 ft 18.73 ft 18.66 ft 18.63 ft 18.63 ft 18.63 ft 18.66 ft 18.70 ft 18.66 ft 18.60 ft 18.47 ft 18.27 ft 18.07 ft 17.88 ft 17.68 ft 17.45 ft 17.15 ft 16.73 ft 16.53 ft 16.30 ft 16.07 ft 16.17 ft 14.89 ft 14.43 ft 14.37 ft 13.91 ft 13.78 ft 13.58 ft 14.43 ft 14.17 ft 13.91 ft 13.68 ft 12.46 ft 1.44 ft 1.54 ft 1.57 ft 1.67 ft 1.77 ft 1.90 ft 1.94 ft 1.97 ft 2.00 ft 2.00 ft 1.97 ft 2.16 ft 2.20 ft 2.23 ft 2.23 ft 2.23 ft 2.23 ft 2.20 ft 2.20 ft 2.20 ft 2.20 ft 2.20 ft 2.20 ft 2.16 ft 2.03 ft 2.00 ft 2.10 ft 1.94 ft 1.87 ft 2.00 ft 1.48 ft 1.44 ft 2.85 ft 2.95 ft 3.02 ft 2.98 ft 3.08 ft 3.18 ft 3.25 ft 2.95 ft 2.79 ft 2.66 ft 2.66 ft 2.53 ft
Period 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 14″ 14″ 14″ 14″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 13″ 13″ 13″ 13″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 9″
Direction ↗ 237° ↗ 239° ↗ 240° ↗ 242° ↗ 243° ↗ 245° ↗ 246° ↗ 247° ↗ 245° ↗ 242° ↗ 239° ↗ 235° ↗ 233° ↗ 231° ↗ 230° ↗ 229° ↗ 228° ↗ 227° ↗ 227° ↗ 226° ↗ 225° ↗ 225° ↗ 225° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 225° ↗ 225° ↗ 226° ↗ 227° ↗ 228° ↗ 228° ↗ 229° ↗ 230° ↗ 230° ↗ 231° ↗ 231° ↗ 231° ↗ 231° ↗ 231° ↗ 231° ↗ 232° ↗ 230° ↗ 230° ↗ 230° ↗ 230° ↗ 230° ↗ 230° ↗ 231° ↗ 232° ↗ 234° ↗ 235° ↗ 237° ↗ 239° ↗ 240° ↗ 239° ↗ 238° ↗ 236° ↗ 235° ↗ 233° ↗ 231° ↗ 229° ↗ 227° ↗ 226° ↗ 225° ↗ 224° ↗ 224° ↗ 224° ↗ 224° ↗ 225° ↗ 225° ↗ 225° ↗ 225° ↗ 226° ↗ 226° ↗ 226° ↗ 226° ↗ 226° ↗ 226° ↗ 226° ↗ 225° ↗ 225° ↗ 224° ↗ 223° ↗ 223° ↗ 222° ↗ 221° ↗ 220° ↗ 220° ↗ 219° ↗ 219° ↗ 218° ↗ 218° ↗ 217° ↗ 217° ↗ 217° ↗ 217° ↗ 215° ↗ 215° ↗ 215° ↗ 214° ↗ 213° ↗ 213° ↗ 216° ↗ 215° ↗ 215° ↗ 215° ↗ 215° ↖ 153° ↖ 154° ↖ 152° ↖ 153° ↖ 153° ↖ 154° ↖ 153° ↖ 153° ↖ 153° ↖ 152° ↖ 152° ↖ 154° ↖ 154° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 155° ↖ 155° ↖ 154° ↖ 155° ↖ 151° ↖ 151° ↗ 245° ↗ 246° ↗ 246° ↗ 247° ↗ 247° ↗ 248° ↗ 247° ↗ 249° ↗ 250° ↗ 251° ↗ 251° ↗ 252°
Height 1.64 ft 1.15 ft 0.82 ft 0.69 ft 1.87 ft 3.31 ft 3.28 ft 3.25 ft 3.15 ft 5.61 ft 6.17 ft 5.67 ft 6.07 ft 5.74 ft 5.51 ft 10.69 ft 10.50 ft 9.77 ft 10.04 ft 8.92 ft 8.59 ft 4.69 ft 4.76 ft 4.46 ft 4.59 ft 4.49 ft 4.33 ft 4.69 ft 4.62 ft 4.36 ft 8.00 ft 8.04 ft 8.36 ft 8.30 ft 8.43 ft 8.46 ft 7.58 ft 8.50 ft 8.46 ft 8.46 ft 8.36 ft 8.23 ft 8.10 ft 8.13 ft 8.13 ft 8.07 ft 7.90 ft 7.77 ft 7.54 ft 7.45 ft 7.25 ft 7.08 ft 6.86 ft 6.66 ft 6.46 ft 6.30 ft 6.10 ft 5.87 ft 5.64 ft 4.59 ft 4.56 ft 4.72 ft 4.66 ft 4.85 ft 4.33 ft 4.46 ft 4.62 ft 4.79 ft 5.28 ft 5.67 ft 5.77 ft 6.20 ft 6.43 ft 6.69 ft 6.76 ft 6.82 ft 6.92 ft 6.99 ft 7.12 ft 7.15 ft 7.28 ft 7.41 ft 7.51 ft 7.61 ft 7.74 ft
Period 9″ 9″ 9″ 9″ 16″ 17″ 17″ 17″ 17″ 16″ 16″ 16″ 15″ 15″ 15″ 12″ 13″ 12″ 13″ 12″ 12″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 11″ 11″ 11″ 11″
Direction ↖ 168° ↖ 164° ↖ 165° ↖ 163° ↗ 225° ↗ 222° ↗ 222° ↗ 222° ↗ 222° ↗ 226° ↗ 227° ↗ 226° ↗ 230° ↗ 231° ↗ 232° ↗ 231° ↗ 231° ↗ 234° ↗ 232° ↗ 193° ↗ 193° ↗ 207° ↗ 208° ↗ 209° ↗ 208° ↗ 208° ↗ 208° ↗ 210° ↗ 210° ↗ 209° ↗ 197° ↗ 197° ↗ 199° ↗ 197° ↗ 197° ↗ 197° ↗ 191° ↗ 196° ↗ 195° ↗ 195° ↗ 195° ↗ 194° ↗ 193° ↗ 194° ↗ 195° ↗ 196° ↗ 196° ↗ 196° ↗ 196° ↗ 196° ↗ 195° ↗ 197° ↗ 196° ↗ 196° ↗ 197° ↗ 197° ↗ 197° ↗ 197° ↗ 197° ↗ 209° ↗ 208° ↗ 206° ↗ 207° ↗ 203° ↗ 211° ↗ 208° ↗ 207° ↗ 208° ↗ 207° ↗ 207° ↗ 210° ↗ 211° ↗ 213° ↗ 215° ↗ 215° ↗ 216° ↗ 217° ↗ 218° ↗ 218° ↗ 219° ↗ 220° ↗ 220° ↗ 220° ↗ 220° ↗ 219°
Height 8.10 ft 7.94 ft 8.50 ft 7.77 ft 8.43 ft 8.33 ft 8.33 ft 8.20 ft 8.20 ft 8.04 ft 7.87 ft 7.77 ft 7.31 ft 7.18 ft 6.99 ft 6.82 ft 6.13 ft 5.94 ft 5.35 ft 5.31 ft 5.02 ft 4.82 ft 4.85 ft 4.43 ft 4.30 ft 4.03 ft 4.03 ft 4.00 ft 4.00 ft 3.64 ft 3.28 ft 3.02 ft 3.05 ft 2.95 ft 3.12 ft 3.05 ft 3.21 ft 1.54 ft 1.48 ft 1.44 ft 1.41 ft 1.41 ft 1.31 ft 1.28 ft 1.25 ft 1.87 ft 2.00 ft 2.00 ft 1.80 ft 1.84 ft 3.15 ft 3.12 ft 3.12 ft 3.08 ft 2.95 ft 2.79 ft 2.82 ft 2.46 ft 2.20 ft 1.94 ft 1.94 ft 1.87 ft 1.77 ft 1.61 ft 1.38 ft 1.38 ft 0.85 ft
Period 13″ 12″ 13″ 12″ 15″ 15″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 11″ 11″ 11″
Direction ↑ 186° ↑ 185° ↑ 189° ↑ 185° ↗ 239° ↗ 239° ↗ 238° ↗ 238° ↗ 238° ↗ 238° ↗ 238° ↗ 238° ↗ 239° ↗ 239° ↗ 240° ↗ 239° ↗ 237° ↗ 238° ↗ 238° ↗ 238° ↗ 238° ↗ 238° ↗ 239° ↗ 239° ↗ 239° ↗ 240° ↗ 239° ↗ 239° ↗ 238° ↗ 239° ↗ 240° ↗ 240° ↗ 240° ↗ 240° ↗ 240° ↗ 242° ↗ 242° ↗ 240° ↗ 240° ↗ 240° ↗ 240° ↗ 239° ↗ 240° ↗ 240° ↗ 240° ↗ 239° ↗ 241° ↗ 241° ↗ 242° ↗ 242° ↗ 248° ↗ 248° ↗ 248° ↗ 248° ↗ 249° ↗ 250° ↗ 250° ↗ 250° ↗ 250° ↗ 249° ↗ 249° ↗ 249° ↗ 249° ↗ 249° ↗ 251° ↗ 251° ↗ 245°
Height 6.59 ft 6.49 ft 6.30 ft 6.23 ft 6.20 ft 6.20 ft 6.13 ft 6.30 ft 3.31 ft 3.51 ft 0.69 ft 0.75 ft 0.79 ft 1.08 ft 1.25 ft 1.34 ft 1.74 ft 1.80 ft 2.56 ft 2.59 ft 2.62 ft 2.69 ft 2.72 ft 2.76 ft 2.76 ft 2.76 ft 2.82 ft 2.85 ft 2.82 ft 2.79 ft 2.92 ft 2.89 ft 2.92 ft 3.31 ft 3.31 ft 2.95 ft 2.72 ft 2.92 ft 2.72 ft 2.76 ft 2.66 ft 2.59 ft 2.59 ft 2.53 ft 2.46 ft 2.36 ft 2.33 ft 2.26 ft 2.20 ft 2.13 ft 2.07 ft 2.00 ft
Period 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 16″ 16″ 17″ 16″ 16″ 16″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″
Direction ↑ 185° ↑ 184° ↑ 184° ↑ 184° ↑ 184° ↑ 185° ↑ 184° ↑ 185° ↑ 176° ↗ 213° ↖ 157° ↖ 157° ↖ 156° ↖ 156° ↖ 157° ↖ 158° ↖ 158° ↖ 158° ↖ 156° ↖ 156° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 158° ↖ 158° ↖ 158° ↖ 158° ↖ 159° ↖ 159° ↖ 160° ↖ 161° ↖ 161° ↖ 160° ↖ 158° ↖ 160° ↖ 159° ↖ 159° ↖ 158° ↖ 158° ↖ 159° ↖ 158° ↖ 158° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 157° ↖ 156°
Height 2.92 ft 2.62 ft 2.13 ft 2.10 ft 1.02 ft 2.26 ft 1.84 ft
Period 10″ 10″ 10″ 10″ 10″ 10″ 9″
Direction ↖ 164° ↖ 166° ↖ 163° ↖ 163° ↖ 171° ↖ 164° ↖ 167°
Height
Period
Direction

How to use this site

Use the ≡ menu and the site name selector at the top of the screen to navigate the site and see different forecasts

Up to 6 individual swells are forecast every hour for the buoy site.
Overall sea height is the top row.
Following rows show height, period, and direction for each swell

Heights less than 1 are gray, heights greater than 5 are bold.

Wave periods colored by length. Longer periods equal larger breaking waves.

High and low tides are given above the sea height for select coastal sites.

A hindcast for the previous 12 hours are shown for comparison with current buoy data, available as the first link in the ≡ menu.

Learn more...