Statistics for South Shore Surf Heights (H1/10, Hawaii Scale): MARCH to SEPTEMBER 1972 - 2021 Background Small Medium Large X-Large (<=2 Hs) (3 Hs) (4 Hs) ( 5 Hs) ( 6+ Hs) year # days % # days % # days % # days % # days % ----- ------ --- ------ --- ------ --- ------ --- ------ --- 1972 36 17 97 45 44 21 15 7 22 10 1973 45 21 82 38 37 17 10 5 9 4 1974 27 13 97 45 48 22 9 4 14 7 1975 29 14 102 48 45 21 8 4 10 5 1976 31 14 104 49 36 17 7 3 13 6 1977 45 21 116 54 43 20 5 2 5 2 1978 21 10 139 65 41 19 5 2 8 4 1979 33 15 144 67 25 12 7 3 5 2 1980 43 20 126 59 26 12 8 4 11 5 1981 58 27 131 61 22 10 3 1 0 0 1982 25 12 138 64 45 21 4 2 2 1 1983 56 26 123 57 30 14 3 1 2 1 1984 78 36 111 52 22 10 1 0 2 1 1985 58 27 114 53 33 15 5 2 4 2 1986 72 34 117 55 21 10 3 1 1 0 1987 55 26 107 50 36 17 10 5 6 3 1988 130 61 48 22 19 9 10 5 7 3 1989 139 65 38 18 23 11 7 3 7 3 1990 130 61 63 29 12 6 6 3 3 1 1991 150 70 37 17 18 8 5 2 4 2 1992 130 61 54 25 18 8 8 4 4 2 1993 137 64 55 26 13 6 6 3 3 1 1994 141 66 50 23 17 8 2 1 4 2 1995 168 79 29 14 13 6 1 0 3 1 1996 150 70 39 18 20 9 5 2 0 0 1997 157 73 33 15 15 7 7 3 2 1 1998 118 55 48 22 30 14 11 5 7 3 1999 137 64 57 27 13 6 5 2 2 1 2000 124 58 52 24 28 13 5 2 5 2 2001 117 55 67 31 17 8 10 5 3 1 2002 128 60 51 24 23 11 5 2 7 3 2003 103 48 66 31 27 13 12 6 6 3 2004 113 53 71 33 16 7 10 5 4 2 2005 121 57 48 22 34 16 6 3 5 2 2006 118 55 57 27 27 13 8 4 4 2 2007 133 62 59 28 18 8 4 2 0 0 2008 110 51 58 27 25 12 12 6 9 4 2009 118 55 52 24 27 13 10 5 7 3 2010 128 60 58 27 20 9 6 3 2 1 2011 100 47 66 31 31 14 11 5 6 3 2012 140 65 51 24 20 9 3 1 0 0 2013 124 58 65 30 13 6 4 2 8 4 2014 114 53 58 27 21 10 16 7 5 2 2015 109 51 48 22 28 13 11 5 18 8 2016 134 63 55 26 13 6 5 2 7 3 2017 140 65 47 22 18 8 7 3 2 1 2018 127 59 61 29 17 8 4 2 5 2 2019 103 48 69 32 27 13 9 4 6 3 2020 111 52 70 33 24 11 3 1 6 3 2021 103 48 84 39 17 8 6 3 4 2 MEAN 100 47 74 35 25 12 7 3 6 3 SD 42 31 10 3 4