Swell Matrix:
Try the new graphical forecast here!
First time here?
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 0.72 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.79 ft 0.75 ft 0.75 ft 0.75 ft 0.72 ft 0.72 ft 0.69 ft 0.69 ft 0.72 ft 0.75 ft 0.79 ft 0.85 ft 0.95 ft 1.02 ft 1.15 ft 1.25 ft 1.31 ft 1.34 ft 1.31 ft 1.28 ft 1.25 ft 1.21 ft 1.18 ft 1.18 ft 1.15 ft 1.15 ft 1.18 ft 1.21 ft 1.21 ft 1.21 ft 1.18 ft 1.15 ft 1.12 ft 1.08 ft 1.05 ft 1.02 ft 0.95 ft 0.92 ft 0.89 ft 0.85 ft 0.85 ft 0.82 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.82 ft 0.82 ft 0.85 ft 0.89 ft 0.92 ft 0.95 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.98 ft 0.95 ft 0.95 ft 0.95 ft 0.92 ft 0.92 ft 0.95 ft 0.95 ft 0.92 ft 0.92 ft 0.92 ft 0.92 ft 0.92 ft 0.95 ft 0.95 ft 0.95 ft 0.95 ft 0.98 ft 0.98 ft 1.02 ft 1.05 ft 1.12 ft 1.18 ft 1.21 ft 1.28 ft 1.34 ft 1.41 ft 1.44 ft 1.51 ft 1.54 ft 1.54 ft 1.57 ft 1.54 ft 1.54 ft 1.51 ft 1.48 ft 1.44 ft 1.41 ft 1.38 ft 1.38 ft 1.34 ft 1.34 ft 1.38 ft 1.38 ft 1.38 ft 1.41 ft 1.41 ft 1.41 ft 1.38 ft 1.38 ft 1.38 ft 1.38 ft 1.41 ft 1.44 ft 1.48 ft 1.48 ft 1.51 ft 1.51 ft 1.48 ft 1.48 ft 1.44 ft 1.44 ft 1.48 ft 1.54 ft 1.61 ft 1.71 ft 1.77 ft 1.87 ft 1.97 ft 2.10 ft 2.23 ft 2.36 ft 2.53 ft 2.66 ft 2.76 ft 2.82 ft 2.89 ft 2.95 ft 3.05 ft 3.12 ft 3.21 ft 3.31 ft 3.38 ft 3.41 ft 3.41 ft 3.41 ft 3.38 ft 3.38 ft 3.35 ft 3.31 ft 3.31 ft 3.28 ft 3.21 ft 3.15 ft 3.05 ft 2.98 ft 2.95 ft 2.89 ft 2.85 ft 2.82 ft 2.79 ft 2.76 ft 2.72 ft 2.72 ft 2.69 ft 2.66 ft 2.62 ft 2.59 ft 2.56 ft 2.56 ft 2.53 ft 2.49 ft 2.49 ft 2.49 ft 2.49 ft 2.53 ft 2.53 ft 2.56 ft 2.56 ft 2.56 ft 2.59 ft 2.59 ft 2.59 ft 2.62 ft
Height 0.52 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.62 ft 0.72 ft 0.85 ft 0.95 ft 1.05 ft 1.08 ft 1.08 ft 1.08 ft 1.02 ft 1.02 ft 0.98 ft 0.95 ft 0.95 ft 0.95 ft 0.95 ft 0.98 ft 1.02 ft 1.05 ft 1.05 ft 1.02 ft 0.98 ft 0.95 ft 0.89 ft 0.85 ft 0.82 ft 0.75 ft 0.72 ft 0.69 ft 0.66 ft 0.62 ft 0.59 ft 0.56 ft 0.56 ft 0.52 ft 0.52 ft 0.52 ft 0.59 ft 0.62 ft 0.66 ft 0.69 ft 0.72 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.72 ft 0.72 ft 0.69 ft 0.69 ft 0.66 ft 0.62 ft 0.62 ft 0.62 ft 0.56 ft 0.52 ft 0.52 ft 0.49 ft 0.52 ft 0.62 ft 0.72 ft 0.82 ft 0.95 ft 1.05 ft 1.12 ft 1.18 ft 1.25 ft 1.28 ft 1.31 ft 1.31 ft 1.31 ft 1.28 ft 1.25 ft 1.21 ft 1.18 ft 1.15 ft 1.08 ft 1.08 ft 1.05 ft 1.05 ft 1.05 ft 1.02 ft 1.02 ft 0.98 ft 0.98 ft 0.98 ft 0.95 ft 0.49 ft 0.49 ft 0.72 ft 0.69 ft 1.28 ft 0.56 ft 0.66 ft 0.69 ft 1.05 ft 1.18 ft 1.28 ft 1.41 ft 1.54 ft 1.71 ft 1.87 ft 2.07 ft 2.23 ft 2.39 ft 2.49 ft 2.59 ft 2.69 ft 2.76 ft 2.85 ft 2.95 ft 3.05 ft 3.18 ft 3.25 ft 3.28 ft 3.31 ft 3.28 ft 3.25 ft 3.25 ft 3.21 ft 3.18 ft 3.18 ft 3.15 ft 3.08 ft 2.98 ft 2.92 ft 2.85 ft 2.79 ft 2.76 ft
Period 1″ 1″ 2″ 2″ 1″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 3″ 3″ 3″ 3″ 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″ 4″ 2″ 2″ 2″ 2″ 2″ 2″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 1″ 1″ 3″ 3″ 5″ 1″ 2″ 2″ 2″ 2″ 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″
Direction ↗ 211° ↗ 210° ↗ 209° ↗ 209° ↗ 254° → 262° → 271° → 282° ↘ 293° ↘ 305° ↘ 313° ↘ 317° ↘ 318° ↘ 322° ↘ 326° ↘ 332° ↘ 338° ↘ 345° ↓ 352° ↓ 359° ↓ 6° ↙ 12° ↙ 18° ↙ 22° ↙ 25° ↙ 27° ↙ 29° ↙ 30° ↙ 32° ↙ 33° ↙ 35° ↙ 36° ↙ 38° ↙ 40° ↙ 41° ↙ 43° ↙ 44° ↙ 46° ↙ 48° ↙ 50° ↙ 52° ↙ 55° ↙ 55° ↙ 54° ↙ 54° ↙ 53° ↙ 53° ↙ 53° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 52° ↙ 54° ↙ 59° ↙ 52° ↙ 52° ↙ 53° ↙ 53° ↖ 153° ↖ 152° ↖ 149° ↖ 147° ↖ 138° ↖ 137° ↖ 136° ↖ 137° ↖ 137° ↖ 139° ↖ 141° ↖ 142° ↖ 144° ↖ 144° ↖ 145° ↖ 145° ↖ 144° ↖ 145° ↖ 145° ↖ 145° ↖ 146° ↖ 148° ↖ 151° ↖ 156° ↖ 158° ↖ 161° ↖ 162° ↖ 163° ↖ 163° ↗ 218° ↗ 221° ↖ 148° ↖ 151° ↖ 154° ↗ 260° ↗ 247° ↘ 307° ↓ 355° ↓ 7° ↙ 17° ↙ 24° ↙ 30° ↙ 36° ↙ 42° ↙ 47° ↙ 51° ↙ 54° ↙ 57° ↙ 59° ↙ 61° ↙ 64° ↙ 66° ↙ 68° ↙ 69° ↙ 71° ↙ 71° ↙ 72° ↙ 73° ↙ 73° ↙ 74° ↙ 75° ↙ 76° ↙ 78° ↙ 79° ← 81° ← 82° ← 83° ← 85° ← 86° ← 87° ← 88°
Height 0.49 ft 0.52 ft 0.56 ft 0.52 ft 0.49 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.59 ft 0.59 ft 0.62 ft 0.62 ft 0.66 ft 1.05 ft 0.72 ft 0.75 ft 0.75 ft 0.82 ft 1.08 ft 1.05 ft 1.05 ft 1.12 ft 1.02 ft 0.98 ft 0.95 ft 0.49 ft 0.56 ft 0.52 ft 0.85 ft 0.82 ft 0.82 ft 0.79 ft 0.75 ft 0.72 ft 0.69 ft 2.20 ft 2.13 ft 2.10 ft 1.97 ft 1.90 ft 1.87 ft 1.74 ft 1.61 ft 1.57 ft 1.54 ft 1.51 ft 1.41 ft 1.31 ft 1.34 ft 1.25 ft 1.18 ft 1.15 ft 1.15 ft 1.08 ft 1.12 ft 1.08 ft 1.05 ft 0.92 ft 0.72 ft 0.69 ft 0.56 ft
Period 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 6″ 6″ 6″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 6″ 6″ 6″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″
Direction ↖ 147° ↖ 148° ↖ 149° ↖ 150° ↖ 150° ↙ 72° ↙ 75° ↙ 78° ← 81° ↖ 126° ↖ 125° ↖ 125° ↖ 125° ↖ 125° ↖ 125° ↖ 124° ↖ 137° ↖ 124° ↖ 124° ↖ 124° ↖ 123° ↖ 134° ↖ 129° ↖ 128° ↖ 135° ↖ 128° ↖ 127° ↖ 133° ↖ 122° ↖ 121° ↖ 120° ↖ 126° ↖ 126° ↖ 126° ↖ 126° ↖ 126° ↖ 126° ↖ 126° ↙ 68° ↙ 68° ↙ 69° ↙ 66° ↙ 66° ↙ 66° ↙ 64° ↙ 62° ↙ 62° ↙ 63° ↙ 63° ↙ 62° ↙ 59° ↙ 62° ↙ 61° ↙ 60° ↙ 60° ↙ 60° ↙ 60° ↙ 61° ↙ 62° ↙ 62° ↙ 57° ↙ 56° ↙ 56° ↙ 58°
Height 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.52 ft 0.52 ft 0.56 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.52 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 0.56 ft 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 0.62 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 0.66 ft 0.66 ft 0.69 ft 0.69 ft 0.69 ft 0.69 ft 0.69 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 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.79 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 ft 0.75 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 0.75 ft 0.75 ft 0.75 ft 0.72 ft 0.69 ft 0.69 ft 0.89 ft 0.89 ft 0.89 ft 0.92 ft 0.92 ft 0.92 ft 0.92 ft 1.15 ft 1.12 ft 1.12 ft 1.08 ft 1.05 ft 1.02 ft 0.98 ft 0.98 ft 0.92 ft 0.95 ft 0.92 ft 0.89 ft 0.92 ft 0.89 ft 0.89 ft 0.92 ft 0.92 ft 0.95 ft 0.92 ft 0.92 ft 0.92 ft 0.92 ft 0.89 ft 0.92 ft 0.92 ft 0.89 ft 0.89 ft 0.82 ft 0.82 ft 0.85 ft 0.79 ft 0.69 ft 0.72 ft
Period 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 7″ 7″ 7″ 7″ 7″ 8″ 8″ 8″
Direction ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 105° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 103° ↖ 104° ↖ 104° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 103° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 104° ↖ 105° ↖ 105° ↖ 105° ↖ 105° ↖ 106° ↖ 106° ↖ 105° ↖ 105° ↖ 105° ↖ 105° ↖ 111° ↖ 111° ↖ 111° ↖ 112° ↖ 112° ↖ 112° ↖ 113° ↖ 118° ↖ 118° ↖ 118° ↖ 118° ↖ 117° ↖ 117° ↖ 117° ↖ 115° ↖ 114° ↖ 113° ↖ 113° ↖ 113° ↖ 114° ↖ 115° ↖ 115° ↖ 113° ↖ 113° ↖ 113° ↖ 112° ↖ 112° ↖ 112° ↖ 112° ↖ 112° ↖ 111° ↖ 111° ↖ 112° ↖ 111° ↖ 110° ↖ 111° ↖ 111° ↖ 109° ↖ 109° ↖ 110°
Height 0.82 ft 0.75 ft 0.62 ft 0.66 ft 0.69 ft 0.79 ft 0.72 ft 0.56 ft 0.85 ft 1.61 ft 1.61 ft 1.64 ft 1.77 ft 1.77 ft 1.80 ft 1.90 ft 1.97 ft 2.10 ft 2.10 ft 2.10 ft 2.10 ft 2.16 ft 2.10 ft 2.10 ft 2.13 ft 1.02 ft 1.02 ft 1.08 ft 2.26 ft 2.30 ft 2.33 ft 2.39 ft 2.46 ft 2.49 ft 2.56 ft
Period 3″ 3″ 1″ 2″ 2″ 2″ 2″ 1″ 2″ 5″ 5″ 5″ 6″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 7″ 7″ 7″ 5″ 5″ 6″ 6″ 6″ 6″ 6″
Direction ↖ 147° ↖ 148° ↗ 227° ↗ 235° ↗ 238° ↗ 230° ↗ 233° → 285° ↘ 335° ↖ 128° ↖ 128° ↖ 128° ↖ 124° ↖ 124° ↖ 124° ↖ 121° ↖ 119° ↖ 118° ↖ 118° ↖ 119° ↖ 118° ↖ 117° ↖ 118° ↖ 118° ↖ 118° ↖ 119° ↖ 119° ↖ 119° ↖ 119° ↖ 119° ↖ 119° ↖ 117° ↖ 115° ↖ 115° ↖ 114°
Height 0.92 ft
Period 3″
Direction ↖ 173°
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...