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154 - BLOCK ISLAND, RI   Notice:12/19/2018 Replaced buoy
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Significant wave height vs Peak period (1440 records)

Peak Period, Tp (s)
Hs (ft)22+1917151311975
14.30 - 14.8+         
13.81 - 14.27         
13.32 - 13.78         
12.83 - 13.29         
12.34 - 12.80         
11.84 - 12.30         
11.35 - 11.81         
10.86 - 11.32         
10.37 - 10.83         
9.88 - 10.33         
9.38 - 9.84         
8.89 - 9.35         
8.40 - 8.86         
7.91 - 8.37      3  
7.41 - 7.87      52 
6.92 - 7.38      619 
6.43 - 6.89      6503
5.94 - 6.40      5407
5.45 - 5.91      153819
4.95 - 5.41   2 1233121
4.46 - 4.92  66 2295122
3.97 - 4.43  32 4245110
3.48 - 3.94  11 8355551
2.99 - 3.44 1   29564579
2.49 - 2.95 5 17316652153
2.00 - 2.46 15 1422126079
1.51 - 1.97   161411720
1.02 - 1.48     51  
0.52 - 0.98         
0.03 - 0.49         
22+1917151311975

Peak direction vs Peak period (1440 records)

Peak Period, Tp (s)
Dp (deg)22+1917151311975
349 - 360         
337 - 348         
325 - 336         
313 - 324        1
301 - 312         
289 - 300        1
277 - 288        6
265 - 276        3
253 - 264        3
241 - 252       324
229 - 240       2062
217 - 228       1763
205 - 216      32246
193 - 204      377760
181 - 192      21101108
169 - 180      349116
157 - 168 1   126592
145 - 156 1212  24267
133 - 144 77713264812
121 - 132 1251133343120
109 - 120    5677463
97 - 108     1218  
85 - 96         
73 - 84         
61 - 72        4
49 - 60        2
37 - 48        12
25 - 36        7
13 - 24        2
1 - 12         
22+1917151311975

Significant wave height vs Peak direction (1440 records)

Peak Direction, Dp (deg)
Hs (ft)1 -
36
37 -
72
73 -
108
109 -
144
145 -
180
181 -
216
217 -
252
253 -
288
289 -
324
325 -
360
14.30 - 14.8+          
13.81 - 14.27          
13.32 - 13.78          
12.83 - 13.29          
12.34 - 12.80          
11.84 - 12.30          
11.35 - 11.81          
10.86 - 11.32          
10.37 - 10.83          
9.88 - 10.33          
9.38 - 9.84          
8.89 - 9.35          
8.40 - 8.86          
7.91 - 8.37     3    
7.41 - 7.87     7    
6.92 - 7.38     241   
6.43 - 6.89 3 12485   
5.94 - 6.40 2 652712   
5.45 - 5.9114 1463215   
4.95 - 5.41 6 18142218   
4.46 - 4.9283 5726193   
3.97 - 4.43   4029214   
3.48 - 3.94  431394829   
2.99 - 3.44  1163425044   
2.49 - 2.95  15945711831   
2.00 - 2.46   437254222  
1.51 - 1.97   301025102 
1.02 - 1.48   6      
0.52 - 0.98          
0.03 - 0.49          
1 -
36
37 -
72
73 -
108
109 -
144
145 -
180
181 -
216
217 -
252
253 -
288
289 -
324
325 -
360