Swell Matrix:
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hide labels Friday, December 15 Saturday, December 16 Sunday, December 17 Monday, December 18 Tuesday, December 19 Wednesday, December 20 Thursday, December 21 Friday, Dec 22
Hour: 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 9 10 11 12 13 14 15 16
Sea Height 10.30 ft 10.07 ft 9.84 ft 9.68 ft 9.61 ft 9.68 ft 9.91 ft 10.43 ft 11.22 ft 12.23 ft 13.42 ft 14.69 ft 15.91 ft 17.06 ft 18.20 ft 19.02 ft 19.42 ft 19.58 ft 19.45 ft 19.16 ft 18.73 ft 18.30 ft 17.91 ft 17.55 ft 17.19 ft 16.86 ft 16.53 ft 16.20 ft 15.84 ft 15.48 ft 15.12 ft 14.76 ft 14.40 ft 14.07 ft 13.81 ft 13.61 ft 13.45 ft 13.35 ft 13.28 ft 13.25 ft 13.25 ft 13.28 ft 13.35 ft 13.51 ft 13.78 ft 14.07 ft 14.37 ft 14.69 ft 15.09 ft 15.61 ft 16.27 ft 16.99 ft 17.68 ft 18.37 ft 18.96 ft 19.48 ft 19.98 ft 20.37 ft 20.66 ft 20.86 ft 20.89 ft 20.66 ft 20.30 ft 19.84 ft 19.35 ft 18.86 ft 18.37 ft 17.91 ft 17.52 ft 17.19 ft 16.89 ft 16.66 ft 16.50 ft 16.30 ft 16.14 ft 16.01 ft 15.84 ft 15.71 ft 15.61 ft 15.51 ft 15.45 ft 15.38 ft 15.35 ft 15.32 ft 15.25 ft 15.15 ft 14.99 ft 14.83 ft 14.66 ft 14.43 ft 14.20 ft 13.91 ft 13.61 ft 13.28 ft 12.99 ft 12.73 ft 12.33 ft 11.87 ft 11.38 ft 10.89 ft 10.46 ft 10.04 ft 9.64 ft 9.28 ft 8.92 ft 8.59 ft 8.30 ft 8.00 ft 7.74 ft 7.48 ft 7.25 ft 7.05 ft 6.89 ft 6.86 ft 6.92 ft 7.22 ft 7.68 ft 8.27 ft 8.99 ft 9.71 ft 10.46 ft 11.15 ft 11.78 ft 12.30 ft 12.66 ft 12.86 ft 12.96 ft 12.92 ft 12.79 ft 12.60 ft 12.40 ft 12.14 ft 11.87 ft 11.61 ft 11.38 ft 11.15 ft 10.96 ft 10.82 ft 10.73 ft 10.66 ft 10.66 ft 10.73 ft 10.96 ft 11.32 ft 11.91 ft 12.76 ft 13.78 ft 14.86 ft 15.94 ft 16.99 ft 17.78 ft 18.34 ft 18.56 ft 18.53 ft 18.30 ft 17.94 ft 17.61 ft 17.38 ft 17.22 ft 17.02 ft 16.79 ft 16.47 ft 16.14 ft 15.81 ft 15.48 ft 15.15 ft 14.86 ft 14.56 ft 14.30 ft 14.01 ft 13.74 ft 13.45 ft 13.19 ft 12.92 ft 12.69 ft 12.50 ft 12.37 ft 12.23 ft 12.10 ft 12.00 ft 11.94 ft 11.84 ft 11.78 ft 11.68 ft 11.58 ft 11.48 ft 11.38 ft 11.28 ft 11.22 ft
Height 8.40 ft 8.30 ft 7.84 ft 7.97 ft 7.15 ft 7.87 ft 9.25 ft 0.66 ft 0.85 ft 0.95 ft 1.05 ft 1.28 ft 1.41 ft 1.54 ft 1.74 ft 1.90 ft 2.20 ft 2.39 ft 2.59 ft 2.79 ft 2.98 ft 3.28 ft 3.44 ft 3.87 ft 4.13 ft 4.43 ft 13.15 ft 15.09 ft 15.61 ft 16.27 ft 16.99 ft 17.68 ft 18.37 ft 18.96 ft 19.48 ft 19.98 ft 20.37 ft 20.66 ft 20.86 ft 20.89 ft 20.66 ft 20.30 ft 19.84 ft 19.35 ft 18.86 ft 18.37 ft 17.91 ft 17.52 ft 17.19 ft 16.89 ft 16.66 ft 16.50 ft 16.30 ft 16.14 ft 16.01 ft 15.84 ft 15.71 ft 15.61 ft 15.51 ft 15.45 ft 15.38 ft 15.35 ft 15.32 ft 15.25 ft 15.15 ft 14.99 ft 14.83 ft 14.63 ft 14.43 ft 14.17 ft 13.91 ft 13.58 ft 13.28 ft 12.99 ft 12.69 ft 12.30 ft 11.84 ft 11.35 ft 10.86 ft 10.43 ft 10.00 ft 9.61 ft 9.22 ft 3.15 ft 2.89 ft 2.69 ft 2.10 ft 2.10 ft 0.79 ft 2.89 ft 3.25 ft 3.71 ft 4.17 ft 4.62 ft 5.15 ft 5.71 ft 6.46 ft 7.35 ft 8.50 ft 9.84 ft 11.32 ft 12.79 ft 14.17 ft 15.42 ft 16.40 ft 17.09 ft 17.42 ft 17.45 ft 17.25 ft 16.92 ft 16.63 ft 16.47 ft 16.33 ft 16.20 ft 15.97 ft 15.68 ft 15.38 ft 15.06 ft 14.76 ft 14.40 ft 14.07 ft 13.71 ft 13.28 ft 12.40 ft 11.32 ft 10.69 ft 10.43 ft 10.10 ft 9.71 ft 9.38 ft 9.12 ft 8.82 ft 8.59 ft 8.30 ft 8.04 ft 7.64 ft 7.51 ft 7.31 ft 7.08 ft 6.92 ft 6.82 ft 6.66 ft 6.59 ft
Period 9″ 9″ 8″ 8″ 9″ 9″ 9″ 18″ 18″ 18″ 17″ 17″ 17″ 17″ 17″ 17″ 16″ 16″ 16″ 16″ 16″ 16″ 15″ 15″ 15″ 15″ 10″ 10″ 10″ 11″ 11″ 12″ 13″ 13″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 8″ 8″ 8″ 8″ 7″ 18″ 4″ 4″ 4″ 5″ 5″ 5″ 6″ 6″ 7″ 7″ 8″ 9″ 9″ 10″ 10″ 11″ 11″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″
Direction ↗ 252° ↗ 247° ↗ 248° ↗ 241° ↖ 167° ↖ 171° ↑ 180° → 279° → 280° → 280° → 280° → 279° → 279° → 279° → 279° → 279° → 279° → 279° → 278° → 279° → 279° → 278° → 278° → 278° → 278° → 279° ↗ 259° ↗ 250° ↗ 253° ↗ 256° ↗ 258° → 261° → 263° → 265° → 266° → 268° → 269° → 270° → 270° → 271° → 271° → 272° → 272° → 272° → 272° → 272° → 272° → 272° → 272° → 273° → 273° → 274° → 274° → 275° → 276° → 276° → 277° → 278° → 279° → 281° → 282° → 283° → 285° → 286° → 288° → 289° → 290° ↘ 291° ↘ 292° ↘ 293° ↘ 294° ↘ 294° ↘ 295° ↘ 296° ↘ 297° ↘ 297° ↘ 298° ↘ 297° ↘ 297° ↘ 297° ↘ 297° ↘ 297° ↘ 297° ↘ 331° ↘ 329° ↘ 338° ↘ 331° ↘ 331° ↗ 241° ↖ 139° ↖ 137° ↖ 136° ↖ 136° ↖ 136° ↖ 138° ↖ 138° ↖ 139° ↖ 139° ↖ 141° ↖ 143° ↖ 145° ↖ 147° ↖ 148° ↖ 149° ↖ 150° ↖ 151° ↖ 152° ↖ 152° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 153° ↖ 154° ↖ 154° ↖ 155° ↖ 155° ↖ 155° ↖ 155° ↖ 156° ↖ 156° ↖ 156° ↖ 156° ↖ 153° ↖ 146° ↖ 144° ↖ 144° ↖ 144° ↖ 144° ↖ 144° ↖ 144° ↖ 144° ↖ 144° ↖ 143° ↖ 143° ↖ 142° ↖ 142° ↖ 142° ↖ 142° ↖ 142° ↖ 142° ↖ 142° ↖ 142°
Height 5.18 ft 5.05 ft 5.05 ft 4.89 ft 6.07 ft 5.54 ft 4.23 ft 3.25 ft 2.85 ft 5.71 ft 6.53 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.62 ft 0.62 ft 0.62 ft 0.62 ft 0.69 ft 0.69 ft 0.75 ft 0.79 ft 0.82 ft 0.79 ft 0.82 ft 0.85 ft 0.89 ft 0.92 ft 0.95 ft 0.98 ft 1.08 ft 1.12 ft 1.15 ft 1.18 ft 1.21 ft 1.18 ft 1.21 ft 1.25 ft 1.25 ft 1.31 ft 1.28 ft 1.34 ft 1.34 ft 1.34 ft 1.34 ft 1.34 ft 1.31 ft 1.31 ft 1.28 ft 1.28 ft 1.25 ft 1.25 ft 1.21 ft 1.18 ft 1.18 ft 1.15 ft 1.12 ft 1.15 ft 1.21 ft 0.98 ft 0.95 ft 0.89 ft 0.82 ft 0.75 ft 0.75 ft 1.44 ft 2.13 ft 2.92 ft 4.79 ft 6.40 ft 6.82 ft 6.66 ft 6.49 ft 6.43 ft 6.23 ft 6.00 ft 5.81 ft 5.48 ft 5.38 ft 5.15 ft 5.12 ft 4.76 ft 4.56 ft 4.40 ft 4.17 ft 3.94 ft 3.77 ft 3.44 ft
Period 9″ 9″ 9″ 9″ 8″ 8″ 8″ 8″ 8″ 6″ 9″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 13″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 9″ 9″ 9″ 9″ 9″
Direction ↖ 140° ↖ 140° ↖ 142° ↖ 141° ↗ 259° → 261° → 274° → 282° → 282° ↗ 258° ↑ 187° ↖ 165° ↖ 165° ↖ 166° ↖ 166° ↖ 166° ↖ 166° ↖ 167° ↖ 168° ↖ 168° ↖ 169° ↖ 169° ↖ 169° ↖ 170° ↖ 170° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 171° ↖ 170° ↖ 170° ↖ 169° ↖ 169° ↖ 169° ↖ 169° ↖ 169° ↖ 169° ↖ 169° ↖ 168° ↖ 168° ↖ 167° ↖ 167° ↖ 167° ↖ 166° ↖ 166° ↖ 165° ↖ 164° ↖ 164° ↖ 163° ↖ 162° ↖ 160° ↖ 157° ↖ 150° ↖ 162° ↖ 163° ↖ 163° ↖ 164° ↖ 165° ↗ 195° ↗ 198° ↗ 195° ↗ 193° ↗ 201° ↗ 206° ↗ 202° ↗ 203° ↗ 202° ↗ 201° ↗ 200° ↗ 200° ↗ 199° ↗ 199° ↗ 199° ↗ 198° ↗ 195° ↗ 196° ↗ 196° ↗ 195° ↗ 195° ↗ 195° ↗ 196° ↗ 197°
Height 2.36 ft 2.59 ft 2.66 ft 2.49 ft 2.39 ft 2.30 ft 2.39 ft 2.26 ft 2.30 ft 2.16 ft 1.97 ft 1.90 ft 1.74 ft 1.48 ft 1.44 ft 1.34 ft 1.02 ft 7.28 ft 6.95 ft 6.69 ft 6.43 ft 6.20 ft 5.94 ft 5.74 ft 5.51 ft 5.44 ft 5.28 ft 5.12 ft 4.99 ft 5.05 ft 5.02 ft 4.92 ft 0.72 ft 0.95 ft 1.31 ft 1.77 ft 2.49 ft 3.02 ft 3.54 ft 4.17 ft 5.12 ft 6.49 ft 6.86 ft 7.18 ft 7.45 ft 7.68 ft 7.87 ft 8.00 ft 8.10 ft 8.20 ft 8.30 ft 8.40 ft
Period 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 19″ 18″ 18″ 17″ 17″ 17″ 16″ 16″ 16″ 16″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 14″ 14″
Direction → 279° → 279° → 278° → 278° → 278° → 278° → 277° → 277° → 276° → 276° → 277° → 277° → 277° → 279° → 280° → 280° → 282° → 278° → 277° → 277° → 276° → 276° → 276° → 276° → 275° → 275° → 274° → 273° → 271° → 273° → 273° → 274° → 284° → 284° → 283° → 282° → 282° → 282° → 282° → 281° → 281° → 278° → 278° → 278° → 278° → 277° → 277° → 277° → 277° → 277° → 276° → 276°
Height 1.71 ft 1.67 ft 9.32 ft 10.50 ft 11.71 ft 13.28 ft 14.56 ft 15.81 ft 16.99 ft 18.17 ft 18.96 ft 19.42 ft 19.58 ft 19.45 ft 19.16 ft 18.73 ft 18.30 ft 17.91 ft 17.55 ft 17.19 ft 16.86 ft 16.53 ft 16.17 ft 15.81 ft 15.45 ft 15.06 ft 14.69 ft 14.33 ft 14.01 ft 13.68 ft 13.48 ft 13.28 ft 11.84 ft 13.02 ft 12.96 ft 12.89 ft 12.86 ft 12.89 ft 12.96 ft 13.15 ft 13.35 ft 14.37 ft 5.02 ft 4.95 ft 4.79 ft 4.66 ft 4.49 ft 4.40 ft 0.52 ft 0.49 ft 0.56 ft 0.52 ft 0.59 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.56 ft
Period 9″ 9″ 9″ 7″ 8″ 8″ 8″ 9″ 9″ 9″ 10″ 10″ 10″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 8″ 8″ 8″ 8″ 8″ 8″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″
Direction ↗ 198° ↗ 197° ↗ 212° ↑ 182° ↑ 182° ↑ 184° ↑ 183° ↑ 184° ↑ 186° ↑ 189° ↗ 192° ↗ 195° ↗ 197° ↗ 200° ↗ 201° ↗ 202° ↗ 203° ↗ 203° ↗ 204° ↗ 204° ↗ 204° ↗ 205° ↗ 206° ↗ 206° ↗ 206° ↗ 207° ↗ 207° ↗ 208° ↗ 208° ↗ 210° ↗ 211° ↗ 214° ↗ 207° ↗ 218° ↗ 220° ↗ 222° ↗ 224° ↗ 227° ↗ 229° ↗ 232° ↗ 235° ↗ 243° ↘ 344° ↘ 344° ↘ 345° ↘ 346° ↘ 347° ↘ 347° ↗ 208° ↗ 208° ↗ 208° ↗ 209° ↗ 208° ↗ 209° ↗ 209° ↗ 209° ↗ 209° ↗ 209° ↗ 209°
Height 2.82 ft 2.92 ft 2.69 ft 2.95 ft 2.79 ft 3.38 ft 3.05 ft 2.82 ft 2.56 ft 2.26 ft 2.13 ft 1.94 ft 1.77 ft 1.61 ft 1.44 ft 1.31 ft 1.21 ft
Period 8″ 8″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 6″ 6″ 6″ 6″
Direction ↙ 10° ↓ 7° ↓ 7° ↓ 5° ↓ 6° ↓ 352° ↓ 355° ↓ 355° ↓ 358° ↓ 1° ↓ 1° ↓ 3° ↓ 3° ↓ 4° ↓ 6° ↓ 6° ↓ 7°
Height 0.62 ft 0.92 ft 1.38 ft 2.00 ft 2.82 ft 3.74 ft 4.69 ft 5.77 ft 6.92 ft 9.35 ft 10.17 ft 10.92 ft 11.58 ft 12.10 ft 12.50 ft 12.73 ft 12.82 ft 12.86 ft 12.76 ft 12.56 ft 12.30 ft 12.07 ft 11.84 ft 11.58 ft 11.32 ft 10.73 ft 10.43 ft 10.14 ft 9.87 ft 9.61 ft 9.35 ft 9.09 ft 8.86 ft 8.59 ft 8.36 ft 8.10 ft 7.84 ft 7.61 ft 7.35 ft 7.12 ft 6.86 ft 6.63 ft 6.43 ft 6.23 ft 6.07 ft 5.90 ft 5.74 ft 5.61 ft 5.44 ft 5.28 ft 5.15 ft 5.02 ft 4.89 ft 4.79 ft 4.69 ft 4.62 ft 4.53 ft 4.46 ft 4.43 ft 4.36 ft 4.33 ft 4.30 ft 4.23 ft 4.10 ft 4.07 ft 4.07 ft 4.00 ft 3.38 ft
Period 19″ 19″ 18″ 18″ 17″ 17″ 17″ 16″ 16″ 16″ 15″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 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″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″
Direction → 284° → 285° → 285° → 285° → 285° → 285° → 285° → 284° → 284° → 282° → 282° → 282° → 282° → 282° → 281° → 280° → 279° → 279° → 278° → 277° → 276° → 275° → 274° → 273° → 272° → 273° → 273° → 273° → 272° → 272° → 272° → 272° → 272° → 272° → 273° → 273° → 273° → 273° → 273° → 273° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 274° → 273° → 273° → 273° → 273° → 273° → 273° → 273° → 273° → 272° → 273° → 273° → 273° → 270°

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...