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: 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 17 18 19
Sea Height 3.97 ft 3.74 ft 3.48 ft 3.18 ft 2.92 ft 2.69 ft 2.46 ft 2.30 ft 2.13 ft 1.97 ft 1.87 ft 1.77 ft 1.67 ft 1.57 ft 1.51 ft 1.48 ft 1.41 ft 1.38 ft 1.38 ft 1.41 ft 1.48 ft 1.61 ft 1.84 ft 2.20 ft 2.66 ft 3.18 ft 3.77 ft 4.23 ft 4.56 ft 4.79 ft 5.02 ft 5.22 ft 5.31 ft 5.28 ft 5.15 ft 4.99 ft 4.85 ft 4.82 ft 4.85 ft 4.95 ft 5.18 ft 5.41 ft 5.51 ft 5.44 ft 5.35 ft 5.08 ft 4.69 ft 4.30 ft 3.97 ft 3.71 ft 3.44 ft 3.25 ft 3.12 ft 2.95 ft 2.79 ft 2.62 ft 2.43 ft 2.26 ft 2.07 ft 1.90 ft 1.74 ft 1.61 ft 1.48 ft 1.38 ft 1.28 ft 1.18 ft 1.08 ft 1.02 ft 0.95 ft 0.92 ft 0.89 ft 0.92 ft 0.92 ft 0.95 ft 0.98 ft 1.05 ft 1.12 ft 1.21 ft 1.28 ft 1.38 ft 1.48 ft 1.54 ft 1.54 ft 1.54 ft 1.54 ft 1.57 ft 1.61 ft 1.64 ft 1.67 ft 1.71 ft 1.74 ft 1.77 ft 1.84 ft 1.90 ft 1.97 ft 2.03 ft 2.10 ft 2.10 ft 2.10 ft 2.10 ft 2.07 ft 2.00 ft 1.94 ft 1.84 ft 1.74 ft 1.64 ft 1.57 ft 1.51 ft 1.48 ft 1.51 ft 1.67 ft 1.97 ft 2.33 ft 2.72 ft 3.05 ft 3.21 ft 3.35 ft 3.54 ft 3.80 ft 4.13 ft 4.49 ft 4.89 ft 5.31 ft 5.54 ft 5.51 ft 5.38 ft 5.25 ft 5.18 ft 5.12 ft 5.28 ft 5.51 ft 5.77 ft 5.94 ft 6.07 ft 6.07 ft 6.00 ft 5.90 ft 5.77 ft 5.64 ft 5.51 ft 5.38 ft 5.25 ft 5.12 ft 5.02 ft 4.85 ft 4.69 ft 4.53 ft 4.36 ft 4.17 ft 4.00 ft 3.77 ft 3.48 ft 3.18 ft 2.85 ft 2.56 ft 2.30 ft 2.03 ft 1.84 ft 1.67 ft 1.57 ft 1.61 ft 1.71 ft 1.90 ft 2.23 ft 2.62 ft 3.12 ft 3.64 ft 4.23 ft 4.79 ft 5.25 ft 5.71 ft 6.07 ft 6.40 ft 6.66 ft 6.79 ft 6.82 ft 6.79 ft 6.69 ft 6.49 ft 6.30 ft 6.10 ft 5.84 ft 5.61 ft 5.38 ft 5.15 ft 4.92 ft 4.76 ft 4.66 ft 4.59 ft
Height 3.31 ft 3.05 ft 2.79 ft 2.53 ft 2.23 ft 1.97 ft 1.71 ft 1.48 ft 1.28 ft 1.12 ft 0.95 ft 0.82 ft 0.72 ft 0.59 ft 0.52 ft 0.62 ft 0.85 ft 1.08 ft 1.87 ft 2.43 ft 2.98 ft 3.61 ft 4.10 ft 4.43 ft 4.69 ft 4.92 ft 5.08 ft 5.12 ft 5.02 ft 4.85 ft 4.66 ft 4.56 ft 4.56 ft 4.59 ft 4.72 ft 4.92 ft 5.25 ft 5.48 ft 5.44 ft 1.34 ft 1.67 ft 1.48 ft 1.31 ft 1.31 ft 1.12 ft 1.05 ft 0.89 ft 0.82 ft 0.79 ft 0.79 ft 0.75 ft 0.49 ft 0.79 ft 0.92 ft 1.02 ft 1.18 ft 1.31 ft 1.41 ft 1.31 ft 1.31 ft 1.31 ft 1.31 ft 1.31 ft 1.34 ft 1.38 ft 1.44 ft 1.48 ft 1.64 ft 1.57 ft 1.77 ft 1.84 ft 1.90 ft 1.97 ft 2.03 ft 2.07 ft 2.07 ft 2.03 ft 2.00 ft 1.97 ft 1.87 ft 1.80 ft 1.54 ft 1.48 ft 1.38 ft 1.34 ft 1.41 ft 1.44 ft 1.61 ft 1.90 ft 2.26 ft 2.69 ft 3.02 ft 3.18 ft 3.31 ft 2.95 ft 3.67 ft 4.17 ft 4.82 ft 5.15 ft 5.22 ft 5.08 ft 5.02 ft 4.95 ft 4.92 ft 5.05 ft 5.28 ft 5.51 ft 5.71 ft 5.81 ft 5.84 ft 5.81 ft 5.71 ft 5.61 ft 5.48 ft 5.35 ft 5.22 ft 5.12 ft 4.99 ft 4.89 ft 4.76 ft 4.59 ft 4.43 ft 4.26 ft 4.10 ft 3.94 ft 3.71 ft 3.15 ft 2.82 ft 2.82 ft 2.53 ft 2.23 ft
Period 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 2″ 2″ 1″ 2″ 2″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 7″ 6″ 6″ 6″ 6″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 5″ 2″ 2″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 4″ 4″ 4″ 4″ 3″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″
Direction ↘ 331° ↘ 334° ↘ 338° ↘ 340° ↘ 343° ↘ 346° ↘ 349° ↓ 351° ↓ 354° ↓ 357° ↓ 359° ↓ 2° ↓ 5° ↓ 8° ↙ 11° ↓ 358° ↘ 349° ↘ 336° ↘ 303° ↘ 294° → 290° → 287° → 286° → 286° → 286° → 287° → 288° ↘ 292° ↘ 293° → 290° → 285° → 279° → 272° → 266° → 262° ↗ 259° ↗ 256° ↗ 254° ↗ 257° ↗ 191° ↗ 197° ↗ 195° ↗ 194° ↗ 194° ↗ 212° ↗ 211° ↗ 207° ↗ 207° ↗ 206° ↗ 205° ↗ 205° ↗ 191° ↗ 201° ↗ 203° ↗ 203° ↗ 204° ↗ 204° ↗ 207° ↗ 196° ↗ 195° ↗ 195° ↗ 193° ↗ 192° ↗ 192° ↗ 191° ↗ 192° ↗ 192° ↗ 203° ↗ 195° ↗ 207° ↗ 209° ↗ 210° ↗ 210° ↗ 209° ↗ 208° ↗ 207° ↗ 207° ↗ 208° ↗ 210° ↗ 211° ↗ 211° ↗ 199° ↗ 199° ↗ 197° ↗ 196° ↗ 204° ↗ 204° ↗ 202° ↗ 200° ↗ 200° ↗ 200° ↗ 200° ↗ 201° ↗ 202° → 282° → 290° ↘ 299° ↘ 301° ↘ 303° ↘ 303° ↘ 302° ↘ 299° ↘ 294° → 290° → 287° → 287° → 287° → 289° ↘ 292° ↘ 295° ↘ 296° ↘ 298° ↘ 299° ↘ 301° ↘ 301° ↘ 300° ↘ 299° ↘ 298° ↘ 296° ↘ 296° ↘ 297° ↘ 298° ↘ 300° ↘ 302° ↘ 304° ↘ 305° ↘ 318° ↘ 320° ↘ 306° ↘ 304° ↘ 301°
Height 2.16 ft 2.03 ft 1.97 ft 1.87 ft 1.80 ft 1.74 ft 1.67 ft 1.64 ft 1.57 ft 1.54 ft 1.48 ft 1.44 ft 1.38 ft 1.34 ft 1.31 ft 1.25 ft 1.21 ft 1.18 ft 1.15 ft 1.08 ft 1.05 ft 1.02 ft 0.98 ft 0.95 ft 0.92 ft 0.89 ft 0.85 ft 0.82 ft 0.79 ft 0.79 ft 0.69 ft 4.26 ft 3.90 ft 3.54 ft 3.25 ft 3.05 ft 2.89 ft 2.72 ft 2.56 ft 2.46 ft 2.33 ft 2.20 ft 2.07 ft 1.90 ft 1.71 ft 1.54 ft 1.38 ft 1.25 ft 1.12 ft 0.98 ft 0.85 ft 0.75 ft 0.66 ft 0.56 ft 0.49 ft 0.66 ft 0.69 ft 0.69 ft 0.72 ft 0.72 ft 0.72 ft 0.72 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.59 ft 0.56 ft 0.52 ft 2.82 ft 2.82 ft 2.85 ft 2.59 ft 2.56 ft 2.23 ft 2.00 ft 1.80 ft 1.67 ft 1.48 ft 1.41 ft 1.38 ft 1.44 ft 1.54 ft 1.64 ft 1.67 ft 1.71 ft 1.67 ft 1.57 ft 1.51 ft 1.41 ft 1.34 ft 1.28 ft 1.18 ft 1.12 ft 1.08 ft 1.02 ft 0.98 ft 0.92 ft 0.89 ft 0.79 ft 0.75 ft 0.72 ft 0.66 ft 0.56 ft 0.49 ft 1.51 ft 1.38 ft 1.28 ft 1.28 ft 1.38 ft 1.57 ft 1.87 ft 2.20 ft 2.62 ft 3.08 ft 3.64 ft 4.23 ft 4.79 ft 5.25 ft 5.67 ft 6.07 ft 6.40 ft 6.66 ft 6.79 ft 6.82 ft 6.79 ft 6.66 ft 6.49 ft 6.30 ft 6.07 ft 5.84 ft 5.61 ft 5.35 ft 5.12 ft 4.92 ft 4.72 ft 4.62 ft 4.56 ft
Period 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 7″ 3″ 3″ 3″ 2″ 2″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 6″
Direction ↗ 197° ↗ 196° ↗ 195° ↗ 194° ↗ 193° ↗ 193° ↗ 192° ↗ 192° ↗ 191° ↗ 191° ↗ 191° ↗ 191° ↗ 190° ↗ 190° ↗ 190° ↑ 189° ↑ 189° ↑ 188° ↑ 188° ↑ 187° ↑ 186° ↑ 186° ↑ 185° ↑ 185° ↑ 184° ↑ 183° ↑ 183° ↑ 183° ↑ 183° ↑ 182° ↑ 186° → 288° ↘ 299° ↘ 312° ↘ 324° ↘ 333° ↘ 337° ↘ 340° ↘ 342° ↘ 344° ↘ 346° ↘ 348° ↘ 349° ↘ 350° ↓ 351° ↓ 352° ↓ 353° ↓ 355° ↓ 357° ↓ 359° ↓ 1° ↓ 3° ↓ 6° ↓ 8° ↙ 10° ↘ 292° ↘ 291° ↘ 291° → 290° → 289° ↘ 292° → 288° → 284° → 277° → 277° → 288° ↘ 297° ↘ 294° ↘ 293° ↑ 186° ↑ 187° ↗ 190° ↑ 187° ↗ 192° ↑ 188° ↑ 187° ↑ 188° ↗ 190° ↑ 186° ↑ 186° ↑ 186° ↑ 186° ↑ 187° ↑ 187° ↑ 186° ↑ 187° ↑ 187° ↑ 187° ↑ 188° ↑ 188° ↑ 189° ↗ 190° ↗ 191° ↗ 191° ↗ 193° ↗ 193° ↗ 193° ↗ 194° ↗ 194° ↗ 194° ↗ 194° ↗ 195° ↗ 195° ↗ 194° ↗ 193° ↗ 259° ↗ 256° ↗ 252° ↗ 248° ↗ 242° ↗ 234° ↗ 225° ↗ 220° ↗ 216° ↗ 214° ↗ 213° ↗ 213° ↗ 213° ↗ 214° ↗ 214° ↗ 214° ↗ 215° ↗ 215° ↗ 215° ↗ 214° ↗ 214° ↗ 213° ↗ 212° ↗ 212° ↗ 211° ↗ 210° ↗ 208° ↗ 206° ↗ 204° ↗ 202° ↗ 201° ↗ 199° ↗ 198°
Height 0.56 ft 0.56 ft 0.56 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 ft 0.59 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 0.62 ft 0.62 ft 0.62 ft 0.66 ft 0.66 ft 0.66 ft 0.62 ft 0.62 ft 0.62 ft 0.62 ft 0.62 ft 0.59 ft 0.59 ft 0.59 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.52 ft 0.52 ft 0.49 ft 0.66 ft 0.62 ft 0.62 ft 0.69 ft 0.75 ft 0.79 ft 0.82 ft 2.07 ft 2.49 ft 1.34 ft 1.31 ft 1.31 ft 1.12 ft 0.95 ft 0.82 ft 0.66 ft 0.49 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″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″
Direction ↖ 104° ↖ 104° ↖ 103° ↖ 103° ↖ 103° ↖ 102° ↖ 102° ↖ 102° ↖ 102° ↖ 101° ↖ 101° ↖ 101° ↖ 101° ↖ 101° ↖ 101° ↖ 101° ↖ 101° ↖ 102° ↖ 102° ↖ 102° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 105° ↖ 104° ↖ 104° ↖ 105° ↖ 105° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↗ 206° ↗ 206° ↗ 206° ↗ 197° ↗ 196° ↗ 198° ↗ 200° ↗ 253° → 265° ↗ 232° ↗ 234° ↘ 344° ↘ 345° ↘ 346° ↘ 346° ↘ 347° ↘ 350°
Height 1.44 ft 0.92 ft 1.31 ft 1.54 ft 1.64 ft 1.64 ft 1.57 ft 1.51 ft 1.48 ft 1.44 ft 1.51 ft 1.21 ft 3.18 ft 2.92 ft 2.56 ft 2.33 ft 2.16 ft 1.84 ft 2.10 ft 1.97 ft 1.87 ft 1.77 ft 1.67 ft 1.08 ft 0.98 ft 0.92 ft 0.82 ft 0.75 ft 0.69 ft 0.59 ft 0.59 ft 0.56 ft 0.52 ft
Period 2″ 8″ 8″ 7″ 7″ 7″ 7″ 7″ 6″ 7″ 7″ 7″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 6″ 5″ 5″ 6″ 6″ 6″ 6″ 6″ 6″ 6″
Direction ↘ 319° ↖ 170° ↖ 174° ↑ 175° ↑ 177° ↑ 180° ↑ 181° ↑ 183° ↑ 184° ↑ 185° ↑ 187° ↑ 186° ↗ 213° ↗ 223° ↗ 227° ↗ 225° ↗ 222° ↗ 219° ↗ 209° ↗ 208° ↗ 207° ↗ 207° ↗ 206° ↗ 195° ↗ 195° ↗ 195° ↗ 194° ↗ 194° ↗ 193° ↗ 191° ↗ 191° ↗ 191° ↗ 190°
Height
Period
Direction
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...