Swell Matrix:
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Hour: 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 20 21 22 23 0 1 2 3 4 5 6 7
Sea Height 2.56 ft 2.56 ft 2.53 ft 2.56 ft 2.66 ft 2.82 ft 2.92 ft 2.92 ft 2.85 ft 2.79 ft 2.76 ft 2.72 ft 2.69 ft 2.66 ft 2.62 ft 2.62 ft 2.69 ft 2.79 ft 2.92 ft 2.98 ft 2.98 ft 2.98 ft 2.95 ft 2.89 ft 2.89 ft 2.92 ft 2.98 ft 3.02 ft 3.02 ft 3.02 ft 3.08 ft 3.15 ft 3.25 ft 3.21 ft 3.15 ft 3.02 ft 2.89 ft 2.76 ft 2.59 ft 2.43 ft 2.26 ft 2.10 ft 1.97 ft 1.84 ft 1.71 ft 1.61 ft 1.48 ft 1.34 ft 1.21 ft 1.08 ft 0.98 ft 0.89 ft 0.82 ft 0.79 ft 0.79 ft 0.75 ft 0.69 ft 0.66 ft 0.59 ft 0.52 ft 0.49 ft 0.46 ft 0.43 ft 0.39 ft 0.36 ft 0.33 ft 0.33 ft 0.30 ft 0.26 ft 0.23 ft 0.36 ft 0.43 ft 0.49 ft 0.56 ft 0.59 ft 0.59 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 0.79 ft 0.95 ft 1.12 ft 1.34 ft 1.61 ft 1.84 ft 2.10 ft 2.36 ft 2.59 ft 2.82 ft 3.08 ft 3.31 ft 3.51 ft 3.74 ft 3.84 ft 3.84 ft 3.77 ft 3.71 ft 3.61 ft 3.54 ft 3.48 ft 3.41 ft 3.35 ft 3.28 ft 3.28 ft 3.31 ft 3.35 ft 3.41 ft 3.48 ft 3.51 ft 3.51 ft 3.51 ft 3.48 ft 3.41 ft 3.38 ft 3.35 ft 3.28 ft 3.21 ft 3.18 ft 3.12 ft 3.05 ft 2.98 ft 2.92 ft 2.85 ft 2.79 ft 2.72 ft 2.66 ft 2.59 ft 2.53 ft 2.46 ft 2.43 ft 2.36 ft 2.30 ft 2.26 ft 2.20 ft 2.16 ft 2.16 ft 2.16 ft 2.20 ft 2.26 ft 2.33 ft 2.43 ft 2.46 ft 2.46 ft 2.39 ft 2.33 ft 2.30 ft 2.23 ft 2.16 ft 2.10 ft 2.03 ft 1.94 ft 1.87 ft 1.80 ft 1.74 ft 1.67 ft 1.61 ft 1.57 ft 1.54 ft 1.54 ft 1.54 ft 1.54 ft 1.61 ft 1.64 ft 1.74 ft 1.84 ft 1.94 ft 2.00 ft 2.03 ft 2.00 ft 1.97 ft 1.94 ft 1.90 ft 1.87 ft 1.80 ft 1.77 ft 1.71 ft 1.64 ft 1.57 ft 1.51 ft 1.44 ft 1.41 ft 1.38 ft 1.34 ft
Height 2.49 ft 2.49 ft 2.46 ft 2.53 ft 2.62 ft 2.79 ft 2.89 ft 2.89 ft 2.82 ft 2.76 ft 2.72 ft 2.69 ft 2.66 ft 2.62 ft 2.59 ft 2.62 ft 2.69 ft 2.79 ft 2.89 ft 2.98 ft 2.98 ft 2.98 ft 2.95 ft 2.89 ft 2.89 ft 2.92 ft 2.98 ft 3.02 ft 3.02 ft 3.02 ft 3.08 ft 3.15 ft 3.25 ft 3.21 ft 3.15 ft 3.02 ft 2.89 ft 2.76 ft 2.59 ft 2.43 ft 2.26 ft 2.10 ft 1.97 ft 1.84 ft 1.71 ft 1.61 ft 1.48 ft 1.34 ft 1.21 ft 1.08 ft 0.98 ft 0.89 ft 0.82 ft 0.72 ft 0.62 ft 0.62 ft 0.69 ft 0.66 ft 0.59 ft 0.52 ft 0.49 ft 0.52 ft 0.56 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 0.72 ft 0.82 ft 0.95 ft 1.15 ft 1.34 ft 1.51 ft 1.71 ft 2.00 ft 3.41 ft 3.48 ft 3.48 ft 3.41 ft 3.38 ft 3.35 ft 3.28 ft 3.21 ft 3.18 ft 3.12 ft 3.05 ft 2.98 ft 2.92 ft 2.85 ft 2.79 ft 2.72 ft 2.66 ft 2.59 ft 2.53 ft 2.46 ft 2.43 ft 2.36 ft 2.30 ft 2.26 ft 2.39 ft 2.46 ft 2.43 ft 2.39 ft 2.33 ft 2.26 ft 0.69 ft 0.66 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 0.72 ft 0.69 ft 0.69 ft 0.66 ft 0.62 ft 0.56 ft 0.52 ft 0.49 ft 0.52 ft 0.56 ft 0.59 ft 0.92 ft 0.89 ft 0.89 ft
Period 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 3″ 2″ 1″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 2″ 3″ 3″ 4″ 7″ 7″ 7″ 7″ 6″ 6″ 6″ 6″ 6″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″ 5″ 5″ 4″ 5″ 5″ 5″
Direction ↘ 347° ↘ 344° ↘ 342° ↘ 339° ↘ 337° ↘ 334° ↘ 333° ↘ 333° ↘ 332° ↘ 332° ↘ 333° ↘ 334° ↘ 334° ↘ 334° ↘ 334° ↘ 334° ↘ 335° ↘ 335° ↘ 336° ↘ 337° ↘ 339° ↘ 341° ↘ 342° ↘ 343° ↘ 343° ↘ 344° ↘ 344° ↘ 344° ↘ 343° ↘ 342° ↘ 342° ↘ 344° ↘ 346° ↘ 349° ↓ 353° ↓ 358° ↓ 3° ↓ 7° ↓ 9° ↙ 11° ↙ 12° ↙ 13° ↙ 13° ↙ 14° ↙ 15° ↙ 15° ↙ 14° ↙ 12° ↓ 9° ↓ 7° ↓ 4° ↓ 2° ↓ 359° ↓ 359° ↓ 358° ↓ 356° ↘ 343° ↘ 344° ↘ 346° ↘ 347° ↘ 349° ↖ 162° ↖ 167° ↖ 170° ↖ 174° ↑ 177° ↑ 178° ↑ 178° ↑ 177° ↑ 176° ↑ 175° ↖ 173° ↖ 170° ↖ 167° ↖ 163° ↖ 161° ↖ 159° ↖ 158° ↖ 158° ↖ 158° ↗ 212° ↗ 196° ↗ 196° ↗ 197° ↗ 197° ↗ 196° ↗ 195° ↗ 195° ↗ 195° ↗ 196° ↗ 197° ↗ 197° ↗ 198° ↗ 199° ↗ 201° ↗ 202° ↗ 203° ↗ 203° ↗ 204° ↗ 204° ↗ 205° ↗ 205° ↗ 205° ↗ 205° ↗ 194° ↗ 191° ↗ 191° ↗ 193° ↗ 195° ↗ 197° ↗ 199° ↗ 255° ↗ 257° ↗ 253° ↗ 255° ↗ 254° ↗ 253° ↗ 251° ↗ 251° ↗ 250° ↗ 250° ↗ 250° ↗ 249° ↗ 249° ↗ 249° ↗ 248° ↗ 248° ↗ 249° ↗ 246° ↗ 247° ↗ 248° ↗ 247° ↗ 253° ↗ 254° ↗ 253°
Height 0.56 ft 0.52 ft 0.49 ft 0.59 ft 0.72 ft 0.89 ft 1.05 ft 1.21 ft 1.71 ft 1.84 ft 3.08 ft 3.31 ft 3.51 ft 3.74 ft 3.84 ft 3.84 ft 3.77 ft 3.71 ft 3.61 ft 3.54 ft 3.48 ft 3.41 ft 3.35 ft 3.28 ft 3.28 ft 3.31 ft 3.35 ft 2.76 ft 2.79 ft 2.76 ft 1.87 ft 1.80 ft 1.74 ft 1.71 ft 1.64 ft 1.80 ft 1.84 ft 1.77 ft 1.57 ft 1.64 ft 1.41 ft 1.05 ft 1.08 ft 0.92 ft 0.89 ft 0.95 ft 0.75 ft 0.75 ft 0.72 ft 0.69 ft 0.79 ft 0.72 ft 0.69 ft 0.98 ft 0.95 ft 0.89 ft
Period 5″ 5″ 5″ 6″ 6″ 6″ 6″ 6″ 6″ 6″ 4″ 4″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 7″ 7″ 7″ 5″ 5″ 5″ 5″ 5″ 5″ 3″ 5″ 5″ 5″ 4″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 5″ 4″ 4″ 4″
Direction → 273° → 272° → 272° ↗ 232° ↗ 231° ↗ 229° ↗ 226° ↗ 225° ↗ 214° ↗ 213° ↑ 181° ↑ 181° ↑ 182° ↑ 183° ↑ 184° ↑ 185° ↑ 187° ↑ 189° ↗ 190° ↗ 192° ↗ 193° ↗ 194° ↗ 195° ↗ 195° ↗ 195° ↗ 195° ↗ 195° ↗ 216° ↗ 216° ↗ 215° ↗ 222° ↗ 223° ↗ 224° ↗ 225° ↗ 225° ↗ 218° ↖ 170° ↗ 221° ↗ 222° ↗ 223° ↗ 215° ↗ 211° ↗ 216° ↗ 209° ↗ 209° ↗ 216° ↗ 206° ↗ 206° ↗ 206° ↗ 207° ↗ 209° ↗ 209° ↗ 207° ↑ 175° ↑ 175° ↖ 171°
Height 1.61 ft 1.80 ft 2.00 ft 2.20 ft 2.16 ft 2.16 ft 1.25 ft 1.28 ft 1.28 ft 1.34 ft 1.41 ft 1.25 ft 1.44 ft 1.34 ft 1.51 ft 1.31 ft 1.25 ft
Period 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 5″ 4″ 4″ 4″ 4″
Direction ↖ 143° ↖ 144° ↖ 147° ↖ 164° ↖ 163° ↖ 165° ↖ 166° ↖ 167° ↖ 166° ↖ 166° ↖ 165° ↖ 153° ↗ 229° ↖ 165° ↑ 177° ↖ 168° ↖ 167°
Height 1.51 ft 1.34 ft 1.34 ft 1.28 ft 1.15 ft 1.18 ft 1.12 ft 1.12 ft 1.12 ft 1.08 ft 1.15 ft 1.25 ft 1.51 ft 1.61 ft 1.74 ft 1.84 ft 1.90 ft 2.00 ft 2.00 ft 1.97 ft 1.90 ft 1.87 ft 1.84 ft 1.80 ft 1.71 ft 1.64 ft 1.54 ft 1.44 ft 1.38 ft 1.31 ft
Period 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 3″ 3″ 3″ 3″ 3″ 3″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″ 4″
Direction ↑ 185° ↑ 177° ↑ 183° ↑ 182° ↖ 174° ↑ 180° ↑ 178° ↑ 176° ↖ 173° ↖ 169° ↖ 170° ↖ 170° ↑ 179° ↑ 179° ↑ 180° ↑ 182° ↑ 184° ↗ 190° ↗ 192° ↗ 194° ↗ 196° ↗ 197° ↗ 198° ↗ 199° ↗ 197° ↗ 197° ↗ 198° ↗ 199° ↗ 199° ↗ 199°
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.

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