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 6.13 ft 6.17 ft 6.20 ft 6.23 ft 6.23 ft 6.23 ft 6.20 ft 6.17 ft 6.10 ft 6.04 ft 5.94 ft 5.90 ft 5.77 ft 5.74 ft 5.61 ft 5.58 ft 5.51 ft 5.81 ft 6.23 ft 6.56 ft 6.72 ft 6.99 ft 7.08 ft 7.25 ft 7.22 ft 7.25 ft 7.18 ft 7.18 ft 7.02 ft 6.92 ft 6.69 ft 6.53 ft 6.30 ft 6.17 ft 5.97 ft 5.84 ft 5.67 ft 5.58 ft 5.41 ft 5.31 ft 5.18 ft 5.12 ft 4.99 ft 4.95 ft 4.82 ft 4.76 ft 4.66 ft 4.59 ft 4.46 ft 4.46 ft 4.43 ft 4.59 ft 4.89 ft 5.44 ft 5.97 ft 6.56 ft 7.02 ft 7.38 ft 7.64 ft 7.87 ft 8.00 ft 8.13 ft 8.20 ft 8.27 ft 8.30 ft 8.33 ft 8.36 ft 8.40 ft 8.43 ft 8.43 ft 8.43 ft 8.43 ft 8.36 ft 8.30 ft 8.17 ft 8.04 ft 7.84 ft 7.64 ft 7.45 ft 7.25 ft 7.05 ft 6.92 ft 6.76 ft 6.63 ft 6.49 ft 6.40 ft 6.30 ft 6.23 ft 6.17 ft 6.20 ft 6.23 ft 6.33 ft 6.40 ft 6.56 ft 6.69 ft 6.82 ft 6.89 ft 6.95 ft 6.99 ft 6.99 ft 6.95 ft 6.99 ft 7.12 ft 7.38 ft 7.64 ft 8.07 ft 8.53 ft 9.25 ft 9.91 ft 10.76 ft 11.45 ft 12.27 ft 12.30 ft 12.17 ft 11.61 ft 11.55 ft 11.48 ft 11.71 ft 11.78 ft 12.00 ft 11.97 ft 11.84 ft 11.58 ft 11.48 ft 11.25 ft 11.05 ft 10.73 ft 10.43 ft 10.17 ft 10.00 ft 9.84 ft 9.71 ft 9.48 ft 9.18 ft 8.82 ft 8.50 ft 8.17 ft 7.90 ft 7.64 ft 7.45 ft 7.25 ft 7.12 ft 6.99 ft 6.86 ft 6.76 ft 6.63 ft 6.53 ft 6.40 ft 6.23 ft 6.07 ft 5.90 ft 5.74 ft 5.54 ft 5.38 ft 5.25 ft 5.12 ft 5.02 ft 4.92 ft 4.85 ft 4.79 ft 4.76 ft 4.76 ft 4.76 ft 4.79 ft 4.79 ft 4.79 ft 4.82 ft 4.82 ft 4.82 ft 4.82 ft 4.82 ft 4.79 ft 4.79 ft 4.76 ft 4.72 ft 4.69 ft 4.66 ft 4.59 ft 4.56 ft 4.49 ft 4.43 ft 4.33 ft 4.26 ft 4.17 ft 4.07 ft 3.97 ft 3.87 ft 3.77 ft 3.67 ft
Height 6.13 ft 6.13 ft 6.17 ft 4.66 ft 4.53 ft 4.53 ft 4.33 ft 4.20 ft 4.30 ft 4.10 ft 3.80 ft 3.94 ft 3.94 ft 3.77 ft 3.67 ft 3.64 ft 3.71 ft 3.74 ft 3.77 ft 3.64 ft 3.58 ft 3.35 ft 3.18 ft 3.15 ft 2.98 ft 2.95 ft 3.02 ft 2.72 ft 2.66 ft 2.62 ft 2.62 ft 2.62 ft 2.66 ft 2.66 ft 2.66 ft 2.76 ft 2.82 ft 2.79 ft 2.92 ft 2.85 ft 3.02 ft 4.62 ft 4.53 ft 4.20 ft 4.30 ft 4.03 ft 4.13 ft 3.80 ft 4.10 ft 3.87 ft 4.07 ft 4.23 ft 4.59 ft 5.15 ft 5.77 ft 6.43 ft 6.99 ft 7.38 ft 7.64 ft 7.87 ft 8.00 ft 8.13 ft 8.20 ft 8.27 ft 8.30 ft 8.33 ft 8.36 ft 8.40 ft 8.43 ft 8.43 ft 8.43 ft 8.43 ft 8.36 ft 8.30 ft 8.17 ft 7.97 ft 7.84 ft 7.64 ft 7.45 ft 7.18 ft 6.95 ft 6.76 ft 6.59 ft 6.43 ft 6.26 ft 6.17 ft 6.00 ft 5.90 ft 5.81 ft 5.74 ft 5.67 ft 5.48 ft 5.44 ft 5.25 ft 5.12 ft 5.05 ft 4.40 ft 1.34 ft 4.53 ft 5.61 ft 5.35 ft 5.02 ft 4.46 ft 4.49 ft 3.54 ft 2.76 ft 2.59 ft 2.23 ft 2.13 ft 1.90 ft 1.87 ft 1.77 ft 1.67 ft 1.48 ft 1.44 ft 1.15 ft 0.49 ft 0.62 ft 0.72 ft 0.85 ft 0.98 ft 1.18 ft 1.31 ft 1.51 ft 1.67 ft 1.84 ft 2.00 ft 2.23 ft 2.39 ft 2.56 ft 2.69 ft 2.92 ft 3.08 ft 3.21 ft 3.38 ft 3.48 ft 3.64 ft 3.71 ft 3.80 ft 3.94 ft 3.90 ft 4.03 ft 4.00 ft 4.72 ft 4.69 ft 4.66 ft 4.62 ft 4.56 ft 4.53 ft 4.46 ft 4.40 ft 4.30 ft 4.23 ft 2.95 ft 2.89 ft 2.79 ft 2.69 ft 3.74 ft 3.61 ft
Period 14″ 14″ 14″ 14″ 13″ 14″ 14″ 14″ 14″ 14″ 14″ 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″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 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″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 11″ 10″ 5″ 10″ 14″ 13″ 13″ 13″ 13″ 13″ 8″ 8″ 8″ 8″ 8″ 8″ 7″ 8″ 7″ 7″ 7″ 18″ 18″ 17″ 17″ 17″ 17″ 17″ 16″ 16″ 16″ 16″ 16″ 16″ 16″ 15″ 15″ 15″ 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″
Direction ↗ 258° ↗ 258° ↗ 258° → 268° → 269° → 269° → 270° → 270° → 269° → 271° → 271° → 271° → 272° → 271° → 271° → 272° → 272° → 271° → 271° → 272° → 272° → 273° → 274° → 273° → 271° → 271° → 270° → 272° → 272° → 272° → 271° → 272° → 271° → 270° → 272° → 271° → 271° → 271° → 272° → 273° → 273° → 271° → 272° → 275° → 273° → 276° → 273° → 277° → 270° → 272° → 267° → 266° → 265° → 265° → 265° → 264° → 264° → 265° → 266° → 266° → 267° → 267° → 267° → 267° → 267° → 267° → 267° → 267° → 268° → 267° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 268° → 269° → 269° → 269° → 269° → 270° → 270° → 270° ↑ 186° → 268° → 277° → 278° → 276° → 275° → 274° → 273° ↗ 219° ↗ 220° ↗ 220° ↗ 220° ↗ 219° ↗ 220° ↗ 221° ↗ 220° ↗ 220° ↗ 220° ↗ 220° ↗ 257° ↗ 259° → 261° → 263° → 264° → 265° → 265° → 267° → 267° → 268° → 269° → 270° → 270° → 271° → 271° → 272° → 272° → 273° → 273° → 273° → 274° → 274° → 275° → 276° → 276° → 276° → 276° → 279° → 279° → 279° → 279° → 279° → 280° → 280° → 280° → 280° → 280° → 275° → 276° → 276° → 276° → 281° → 281°
Height 0.59 ft 4.13 ft 4.26 ft 4.26 ft 4.43 ft 4.53 ft 4.30 ft 4.43 ft 4.59 ft 4.40 ft 4.26 ft 4.30 ft 4.26 ft 4.23 ft 4.10 ft 4.46 ft 4.95 ft 3.38 ft 3.25 ft 3.35 ft 2.89 ft 2.92 ft 2.53 ft 2.53 ft 2.26 ft 2.66 ft 2.53 ft 2.53 ft 2.39 ft 2.46 ft 2.33 ft 2.23 ft 2.20 ft 2.26 ft 2.03 ft 2.20 ft 2.07 ft 2.30 ft 2.33 ft 2.16 ft 2.10 ft 2.59 ft 2.20 ft 2.53 ft 2.13 ft 2.56 ft 1.74 ft 2.13 ft 1.67 ft 1.74 ft 1.64 ft 1.67 ft 1.51 ft 1.21 ft 0.82 ft 1.08 ft 1.18 ft 1.41 ft 1.44 ft 1.51 ft 1.67 ft 1.67 ft 1.87 ft 1.97 ft 2.10 ft 2.26 ft 2.56 ft 3.15 ft 3.35 ft 3.94 ft 4.26 ft 4.56 ft 5.31 ft 6.95 ft 6.99 ft 6.99 ft 6.95 ft 6.86 ft 6.79 ft 6.72 ft 6.59 ft 6.43 ft 6.26 ft 6.04 ft 5.81 ft 5.81 ft 5.64 ft 5.81 ft 5.87 ft 5.61 ft 5.58 ft 5.71 ft 0.69 ft 0.66 ft 0.49 ft 0.49 ft 0.49 ft 0.56 ft 0.52 ft 0.52 ft 0.52 ft 0.56 ft 0.52 ft 0.56 ft
Period 13″ 12″ 12″ 11″ 12″ 12″ 11″ 12″ 11″ 11″ 11″ 11″ 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″ 9″ 10″ 9″ 9″ 9″ 9″ 9″ 9″ 10″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 16″ 16″ 16″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 15″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 14″ 7″ 7″ 16″ 16″ 16″ 16″ 16″ 16″ 16″ 16″ 16″ 16″
Direction ↗ 215° ↗ 245° ↗ 245° ↗ 244° ↗ 245° ↗ 245° ↗ 244° ↗ 244° ↗ 246° ↗ 243° ↗ 243° ↗ 244° ↗ 245° ↗ 243° ↗ 243° ↗ 244° ↗ 248° ↗ 238° ↗ 239° ↗ 240° ↗ 240° ↗ 238° ↗ 236° ↗ 236° ↗ 234° ↗ 238° ↗ 237° ↗ 237° ↗ 237° ↗ 237° ↗ 238° ↗ 236° ↗ 237° ↗ 237° ↗ 236° ↗ 236° ↗ 236° ↗ 236° ↗ 236° ↗ 233° ↗ 234° ↗ 237° ↗ 235° ↗ 237° ↗ 236° ↗ 235° ↗ 232° ↗ 234° ↗ 231° ↗ 232° ↗ 232° ↗ 233° ↗ 232° ↗ 228° → 266° → 267° → 266° → 268° → 268° → 269° → 267° → 268° → 269° → 269° → 269° → 268° → 267° → 269° → 269° → 271° → 271° → 271° → 272° → 272° → 272° → 272° → 273° → 273° → 274° → 274° → 274° → 275° → 275° → 275° → 275° → 275° → 276° → 276° → 276° → 276° → 277° → 277° ↗ 222° ↗ 223° ↗ 219° ↗ 218° ↗ 218° ↗ 219° ↗ 217° ↗ 221° ↗ 220° ↗ 221° ↗ 220° ↗ 221°
Height 4.30 ft 4.69 ft 5.15 ft 5.67 ft 5.84 ft 6.07 ft 6.10 ft 6.10 ft 6.07 ft 6.00 ft 5.90 ft 5.64 ft 5.44 ft 5.22 ft 5.05 ft 4.85 ft 4.62 ft 4.46 ft 4.26 ft 4.03 ft 3.80 ft 3.48 ft 2.16 ft 3.02 ft 3.84 ft 4.89 ft 5.81 ft 6.99 ft 8.00 ft 9.05 ft 8.89 ft 10.79 ft 10.82 ft 10.79 ft 10.20 ft 10.07 ft 11.48 ft 10.27 ft 10.46 ft 10.92 ft 11.12 ft 10.96 ft 11.02 ft 11.48 ft 11.25 ft 11.05 ft 10.73 ft 10.43 ft 10.17 ft 9.61 ft 9.84 ft 9.35 ft 9.22 ft 8.92 ft 8.63 ft 8.30 ft 7.97 ft 7.71 ft 7.51 ft 7.31 ft 7.25 ft 7.02 ft 6.99 ft 6.86 ft 6.72 ft 6.63 ft 6.49 ft 6.36 ft 6.13 ft 5.97 ft 5.81 ft 5.61 ft 5.38 ft 5.18 ft 4.95 ft 4.76 ft 4.56 ft 4.40 ft 4.20 ft 4.03 ft 3.90 ft 3.74 ft 3.61 ft 3.51 ft 3.38 ft 3.28 ft 3.12 ft 3.05 ft 2.95 ft 2.76 ft 2.76 ft 2.59 ft 2.56 ft 2.89 ft 2.82 ft 2.79 ft 2.72 ft
Period 7″ 7″ 7″ 7″ 7″ 7″ 7″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 8″ 7″ 7″ 7″ 7″ 5″ 6″ 6″ 6″ 7″ 7″ 7″ 8″ 8″ 8″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 9″ 10″ 10″ 11″ 11″ 11″ 11″ 11″ 11″ 12″ 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″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 10″ 11″ 11″ 11″ 11″
Direction ↗ 259° → 262° → 265° → 265° → 267° → 268° → 269° → 269° → 270° → 271° → 270° → 270° → 270° → 270° → 269° → 269° → 269° → 269° → 269° → 269° → 270° → 271° ↗ 209° ↗ 215° ↗ 220° ↗ 225° ↗ 226° ↗ 228° ↗ 230° ↗ 230° ↗ 222° ↗ 234° ↗ 239° ↗ 244° ↗ 248° ↗ 250° ↗ 260° ↗ 257° → 261° → 264° → 267° → 267° → 268° → 268° → 268° → 269° → 270° → 270° → 271° → 275° → 273° → 276° → 276° → 277° → 277° → 278° → 278° → 278° → 279° → 279° → 278° → 279° → 278° → 278° → 279° → 279° → 280° → 280° → 281° → 281° → 281° → 281° → 282° → 282° → 282° → 282° → 283° → 283° → 283° → 283° → 283° → 284° → 284° → 284° → 284° → 284° → 284° → 284° → 284° → 284° → 284° → 285° → 285° → 286° → 286° → 286° → 286°
Height
Period
Direction
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...