Swell Matrix:
Try the new graphical forecast here!
First time here?
hide labels Monday, October 15 Tuesday, October 16 Wednesday, October 17 Thursday, October 18 Friday, October 19 Saturday, October 20 Sunday, October 21 Monday, Oct 22
Hour: 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 9 10 11 12 13
Sea Height 1.57 ft 1.54 ft 1.48 ft 1.44 ft 1.48 ft 1.54 ft 1.57 ft 1.61 ft 1.61 ft 1.57 ft 1.54 ft 1.48 ft 1.44 ft 1.51 ft 1.67 ft 1.84 ft 2.03 ft 2.23 ft 2.49 ft 2.89 ft 3.35 ft 3.77 ft 4.13 ft 4.53 ft 4.82 ft 4.99 ft 5.02 ft 5.02 ft 5.12 ft 5.31 ft 5.54 ft 5.71 ft 5.77 ft 5.94 ft 6.17 ft 6.43 ft 6.30 ft 5.87 ft 5.31 ft 4.79 ft 4.36 ft 3.97 ft 3.67 ft 3.41 ft 3.21 ft 3.02 ft 2.92 ft 2.85 ft 2.85 ft 2.92 ft 3.02 ft 3.05 ft 2.98 ft 2.85 ft 2.76 ft 2.62 ft 2.56 ft 2.56 ft 2.66 ft 2.82 ft 3.02 ft 3.12 ft 3.18 ft 3.21 ft 3.25 ft 3.31 ft 3.38 ft 3.41 ft 3.41 ft 3.58 ft 3.97 ft 4.46 ft 4.85 ft 5.08 ft 5.12 ft 5.12 ft 5.12 ft 5.15 ft 5.15 ft 5.12 ft 5.08 ft 5.12 ft 5.22 ft 5.38 ft 5.48 ft 5.48 ft 5.48 ft 5.44 ft 5.35 ft 5.31 ft 5.18 ft 5.12 ft 5.08 ft 4.99 ft 4.92 ft 4.85 ft 4.72 ft 4.59 ft 4.46 ft 4.20 ft 3.84 ft 3.48 ft 3.15 ft 2.85 ft 2.62 ft 2.49 ft 2.39 ft 2.33 ft 2.20 ft 2.07 ft 1.94 ft 1.90 ft 1.90 ft 2.00 ft 2.10 ft 2.26 ft 2.43 ft 2.59 ft 2.72 ft 2.85 ft 3.08 ft 3.38 ft 3.71 ft 4.00 ft 4.30 ft 4.53 ft 4.72 ft 4.92 ft 5.05 ft 5.15 ft 5.15 ft 5.08 ft 5.02 ft 4.92 ft 4.79 ft 4.76 ft 4.92 ft 5.15 ft 5.22 ft 5.02 ft 4.69 ft 4.33 ft 4.03 ft 3.80 ft 3.67 ft 3.64 ft 3.64 ft 3.64 ft 3.64 ft 3.61 ft 3.58 ft 3.48 ft 3.38 ft 3.31 ft 3.21 ft 3.15 ft 3.05 ft 2.98 ft 2.95 ft 2.89 ft 2.85 ft 2.89 ft 2.92 ft 2.95 ft 3.02 ft 3.15 ft 3.35 ft 3.64 ft 3.94 ft 4.20 ft 4.36 ft 4.46 ft 4.49 ft 4.49 ft 4.49 ft 4.46 ft 4.46 ft 4.46 ft 4.49 ft 4.56 ft 4.59 ft 4.59 ft 4.59 ft 4.49 ft 4.23 ft 3.97 ft 3.71 ft 3.48 ft 3.28 ft
Height 1.15 ft 1.08 ft 0.98 ft 0.95 ft 1.02 ft 1.12 ft 1.21 ft 1.25 ft 1.25 ft 1.21 ft 1.12 ft 1.05 ft 1.02 ft 1.12 ft 1.31 ft 1.54 ft 1.74 ft 1.97 ft 2.30 ft 2.69 ft 3.18 ft 3.64 ft 4.03 ft 4.40 ft 4.72 ft 4.92 ft 4.92 ft 4.92 ft 5.02 ft 5.25 ft 4.36 ft 5.08 ft 5.41 ft 5.74 ft 5.71 ft 5.35 ft 4.85 ft 4.40 ft 4.00 ft 3.64 ft 3.38 ft 3.12 ft 2.89 ft 2.69 ft 2.59 ft 2.53 ft 2.53 ft 2.62 ft 2.72 ft 2.76 ft 2.69 ft 2.56 ft 2.43 ft 2.30 ft 2.20 ft 2.20 ft 2.30 ft 2.53 ft 2.76 ft 2.85 ft 2.95 ft 2.98 ft 3.05 ft 3.12 ft 3.15 ft 3.18 ft 3.21 ft 3.41 ft 3.80 ft 4.33 ft 4.72 ft 4.95 ft 5.02 ft 4.99 ft 4.95 ft 5.02 ft 5.02 ft 5.02 ft 4.99 ft 5.05 ft 5.15 ft 5.31 ft 5.41 ft 5.41 ft 5.41 ft 5.38 ft 5.31 ft 5.25 ft 5.15 ft 5.05 ft 5.05 ft 4.95 ft 4.89 ft 4.82 ft 4.69 ft 4.56 ft 4.43 ft 4.17 ft 3.80 ft 3.44 ft 3.12 ft 2.82 ft 1.80 ft 2.79 ft 2.76 ft 1.74 ft 1.44 ft 1.48 ft 1.41 ft 1.41 ft 1.51 ft 1.67 ft 1.94 ft 2.23 ft 2.59 ft 2.92 ft 3.12 ft 3.28 ft 3.38 ft 3.44 ft 3.48 ft 3.51 ft 3.54 ft 3.64 ft 3.74 ft 3.80 ft 3.84 ft 3.84 ft 3.71 ft 3.44 ft 3.12 ft 2.79 ft 2.53 ft 2.26 ft
Period 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 3″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 6″ 5″ 4″ 5″ 5″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″
Direction → 262° ↗ 259° ↗ 255° ↗ 251° ↗ 245° ↗ 239° ↗ 236° ↗ 236° ↗ 236° ↗ 235° ↗ 233° ↗ 230° ↗ 226° ↗ 221° ↗ 215° ↗ 211° ↗ 207° ↗ 204° ↗ 201° ↗ 199° ↗ 195° ↗ 193° ↗ 191° ↑ 189° ↑ 186° ↑ 184° ↑ 184° ↑ 186° ↗ 190° ↗ 193° → 262° → 268° → 279° → 287° → 290° ↘ 292° ↘ 292° ↘ 291° → 289° → 288° → 287° → 284° → 281° → 277° → 272° → 267° → 263° → 262° → 263° → 265° → 265° → 265° → 263° ↗ 260° ↗ 255° ↗ 248° ↗ 242° ↗ 235° ↗ 233° ↗ 233° ↗ 233° ↗ 234° ↗ 235° ↗ 235° ↗ 236° ↗ 238° ↗ 241° ↗ 247° ↗ 257° → 266° → 274° → 279° → 285° → 290° ↘ 295° ↘ 298° ↘ 301° ↘ 302° ↘ 302° ↘ 302° ↘ 301° ↘ 299° ↘ 299° ↘ 301° ↘ 302° ↘ 304° ↘ 305° ↘ 306° ↘ 308° ↘ 308° ↘ 309° ↘ 311° ↘ 314° ↘ 317° ↘ 321° ↘ 324° ↘ 327° ↘ 329° ↘ 331° ↘ 331° ↘ 330° ↘ 327° ↖ 160° ↖ 169° ↖ 173° ↖ 161° ↖ 159° ↘ 303° ↘ 300° ↘ 300° ↘ 300° ↘ 302° ↘ 305° ↘ 307° ↘ 310° ↘ 313° ↘ 314° ↘ 314° ↘ 313° ↘ 311° ↘ 308° ↘ 305° ↘ 303° ↘ 300° ↘ 299° ↘ 298° ↘ 298° ↘ 298° ↘ 298° ↘ 296° ↘ 294° ↘ 291° → 287° → 281°
Height 0.59 ft 0.56 ft 0.56 ft 0.52 ft 0.52 ft 0.66 ft 0.62 ft 0.62 ft 0.72 ft 0.66 ft 0.52 ft 0.52 ft 0.52 ft 0.56 ft 0.52 ft 0.52 ft 4.07 ft 4.23 ft 0.49 ft 0.49 ft 0.66 ft 0.66 ft 0.66 ft 0.75 ft 0.75 ft 0.72 ft 0.72 ft 0.72 ft 0.72 ft 0.75 ft 0.75 ft 0.75 ft 0.79 ft 0.79 ft 0.75 ft 0.49 ft 0.49 ft 0.79 ft 0.49 ft 2.16 ft 2.07 ft 2.07 ft 2.07 ft 2.00 ft 1.90 ft 1.80 ft 1.77 ft 1.80 ft 1.90 ft 2.03 ft 2.20 ft 2.39 ft 2.56 ft 2.69 ft 2.82 ft 3.05 ft 3.35 ft 3.67 ft 4.00 ft 4.26 ft 4.53 ft 4.72 ft 4.89 ft 5.05 ft 5.15 ft 5.12 ft 4.76 ft 5.02 ft 4.92 ft 4.79 ft 4.76 ft 4.92 ft 5.15 ft 5.22 ft 5.02 ft 4.69 ft 4.33 ft 4.03 ft 3.80 ft 3.67 ft 3.64 ft 3.64 ft 3.64 ft 2.30 ft 2.72 ft 0.59 ft 0.56 ft 1.12 ft 1.15 ft 1.08 ft 1.02 ft 0.92 ft 0.79 ft 0.69 ft 0.52 ft 0.49 ft 0.56 ft 0.66 ft
Period 6″ 6″ 6″ 6″ 6″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 4″ 4″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 6″ 6″ 4″ 5″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 3″ 3″ 4″ 4″ 3″ 3″ 4″ 4″ 4″ 4″ 3″ 4″ 10″ 11″ 11″
Direction ↖ 154° ↖ 154° ↖ 154° ↖ 154° ↖ 154° ↖ 113° ↖ 113° ↖ 113° ↖ 112° ↖ 116° ↖ 111° ↖ 111° ↖ 111° ↖ 112° ↖ 111° ↖ 112° ↗ 230° ↗ 244° ↖ 133° ↖ 133° ↖ 137° ↖ 138° ↖ 138° ↖ 112° ↖ 112° ↖ 111° ↖ 111° ↖ 111° ↖ 111° ↖ 113° ↖ 113° ↖ 113° ↖ 113° ↖ 113° ↖ 113° ↖ 159° ↖ 159° ↗ 222° ↗ 219° ↘ 300° ↘ 295° ↘ 293° ↘ 291° → 288° → 281° → 273° → 261° ↗ 250° ↗ 239° ↗ 231° ↗ 226° ↗ 222° ↗ 218° ↗ 215° ↗ 212° ↗ 210° ↗ 209° ↗ 208° ↗ 209° ↗ 209° ↗ 210° ↗ 210° ↗ 210° ↗ 209° ↗ 209° ↗ 209° ↗ 216° ↗ 207° ↗ 204° ↗ 201° ↗ 200° ↗ 199° ↗ 200° ↗ 200° ↗ 201° ↗ 201° ↗ 200° ↗ 198° ↗ 196° ↗ 193° ↗ 192° ↗ 191° ↗ 193° → 270° → 269° ↗ 195° ↗ 193° ↙ 23° ↙ 26° ↙ 31° ↙ 33° ↙ 35° ↙ 37° ↙ 37° ↙ 39° ↖ 115° ↖ 111° ↖ 114°
Height 0.49 ft 0.49 ft 0.52 ft 0.59 ft 0.56 ft 0.56 ft 0.52 ft 0.49 ft 0.56 ft 0.56 ft 0.56 ft 0.62 ft 0.62 ft 0.62 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.66 ft 0.62 ft 0.56 ft 0.56 ft 3.64 ft 3.71 ft 3.15 ft 2.92 ft 2.85 ft 2.76 ft 2.59 ft 2.30 ft 2.00 ft 1.64 ft 1.41 ft 1.28 ft 1.12 ft 1.05 ft 0.98 ft 0.95 ft 0.92 ft 0.62 ft 0.75 ft 0.79 ft 0.79 ft 0.79 ft 0.75 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.75 ft 0.69 ft 0.69 ft 0.62 ft 0.59 ft 0.59 ft 0.56 ft 0.56 ft 0.56 ft 0.52 ft 1.44 ft 1.31 ft 0.69 ft 0.95 ft 0.82 ft 0.72 ft 0.62 ft 0.56 ft 2.33 ft 1.28 ft 1.41 ft 1.97 ft 1.94 ft 1.94 ft 1.94 ft 1.94 ft 1.94 ft 1.97 ft 2.00 ft 2.07 ft 2.16 ft 2.26 ft 2.33 ft 2.43 ft 2.56 ft 2.76 ft 2.98 ft 2.92 ft 3.12 ft 3.25 ft 3.15 ft 3.05 ft 2.95 ft 2.89 ft 2.82 ft 2.72 ft 2.66 ft 2.66 ft 2.59 ft 2.53 ft 2.49 ft 2.53 ft 2.49 ft 2.49 ft 2.46 ft 2.43 ft 2.43 ft 2.36 ft
Period 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 5″ 6″ 6″ 6″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 8″ 8″ 8″ 8″ 8″ 8″ 6″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 6″ 6″ 6″ 6″ 6″ 4″ 4″ 4″ 3″ 4″ 4″ 4″ 4″ 3″ 7″ 7″ 7″ 7″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 10″ 10″ 10″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″
Direction ↖ 138° ↖ 138° ↖ 138° ↖ 135° ↖ 136° ↖ 136° ↖ 138° ↖ 139° ↖ 138° ↖ 139° ↖ 139° ↖ 138° ↖ 138° ↖ 138° ↖ 138° ↖ 138° ↖ 139° ↖ 139° ↖ 140° ↖ 140° ↖ 139° ↖ 138° ↖ 137° ↖ 137° ↖ 164° ↖ 167° ↖ 159° ↖ 157° ↖ 156° ↖ 155° ↖ 155° ↖ 155° ↖ 154° ↖ 156° ↖ 155° ↖ 154° ↖ 155° ↖ 155° ↖ 155° ↖ 155° ↖ 155° ↖ 155° ↖ 153° ↖ 153° ↖ 153° ↖ 154° ↖ 154° ↖ 153° ↖ 153° ↖ 153° ↖ 154° ↖ 154° ↖ 155° ↖ 155° ↖ 154° ↖ 154° ↖ 153° ↖ 154° ↖ 155° ↖ 156° ↖ 156° ↖ 157° ↖ 157° ↙ 14° ↙ 16° ↙ 31° ↙ 25° ↙ 31° ↙ 32° ↙ 35° ↙ 37° ↗ 250° ↖ 147° ↖ 148° ↖ 151° ↖ 150° ↖ 149° ↖ 148° ↖ 148° ↖ 147° ↖ 146° ↖ 145° ↖ 144° ↖ 143° ↖ 143° ↖ 142° ↖ 142° ↖ 142° ↖ 141° ↖ 141° ↖ 145° ↖ 144° ↖ 143° ↖ 143° ↖ 143° ↖ 143° ↖ 142° ↖ 141° ↖ 141° ↖ 141° ↖ 139° ↖ 139° ↖ 138° ↖ 138° ↖ 136° ↖ 135° ↖ 135° ↖ 134° ↖ 134° ↖ 134° ↖ 134°
Height 0.56 ft 0.56 ft 0.56 ft 0.52 ft 0.49 ft 0.49 ft 0.49 ft 0.52 ft 0.52 ft 0.52 ft 0.56 ft 0.72 ft 0.75 ft 0.75 ft 0.72 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.66 ft 0.66 ft 0.66 ft 0.72 ft 0.72 ft 0.72 ft 0.72 ft 0.72 ft 0.72 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.95 ft 0.69 ft 0.69 ft 0.66 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.66 ft 0.66 ft 0.66 ft 0.66 ft 0.66 ft 0.66 ft 0.95 ft 0.95 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.95 ft 0.92 ft 0.89 ft 0.85 ft 0.85 ft 0.85 ft 0.79 ft 0.79 ft 0.79 ft 0.72 ft 0.75 ft 0.75 ft 0.72 ft 0.72 ft 0.69 ft 0.66 ft 0.66 ft 0.62 ft 0.59 ft 0.52 ft 0.49 ft 0.82 ft 1.05 ft 0.75 ft 0.49 ft 1.25 ft 1.02 ft
Period 10″ 10″ 10″ 10″ 12″ 12″ 12″ 12″ 13″ 13″ 12″ 13″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 12″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 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″ 9″ 9″ 4″ 4″ 4″ 3″ 11″ 11″
Direction ↖ 111° ↖ 113° ↖ 113° ↖ 112° ↖ 111° ↖ 111° ↖ 110° ↖ 109° ↖ 109° ↖ 108° ↖ 109° ↖ 111° ↖ 112° ↖ 111° ↖ 111° ↖ 111° ↖ 110° ↖ 111° ↖ 112° ↖ 111° ↖ 111° ↖ 111° ↖ 111° ↖ 110° ↖ 110° ↖ 110° ↖ 112° ↖ 112° ↖ 111° ↖ 111° ↖ 111° ↖ 111° ↖ 112° ↖ 112° ↖ 112° ↖ 113° ↖ 121° ↖ 135° ↖ 135° ↖ 135° ↖ 134° ↖ 134° ↖ 134° ↖ 134° ↖ 135° ↖ 135° ↖ 135° ↖ 135° ↖ 135° ↖ 135° ↖ 120° ↖ 119° ↖ 121° ↖ 121° ↖ 121° ↖ 121° ↖ 122° ↖ 121° ↖ 121° ↖ 120° ↖ 120° ↖ 119° ↖ 120° ↖ 120° ↖ 119° ↖ 119° ↖ 120° ↖ 118° ↖ 121° ↖ 121° ↖ 121° ↖ 121° ↖ 121° ↖ 121° ↖ 121° ↖ 120° ↖ 120° ↖ 118° ↖ 118° ↗ 196° ↗ 211° ↗ 216° ↗ 222° ↖ 122° ↖ 118°
Height 0.62 ft 0.62 ft 0.59 ft 2.59 ft 2.59 ft 2.56 ft 2.56 ft 2.46 ft 2.36 ft 2.26 ft 2.20 ft 2.10 ft 2.00 ft 1.90 ft
Period 12″ 12″ 12″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″
Direction ↖ 137° ↖ 137° ↖ 137° → 285° ↘ 291° ↘ 296° ↘ 299° ↘ 304° ↘ 309° ↘ 313° ↘ 317° ↘ 321° ↘ 324° ↘ 329°
Height 1.90 ft
Period 5″
Direction ↗ 201°

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...