Statistics for South Shore Surf Heights (H1/10, Hawaii Scale): JULY 1972 - 2022 Background Small Medium Large X-Large (<=2 Hs) (3 Hs) (4 Hs) ( 5 Hs) ( 6+ Hs) year # days % # days % # days % # days % # days % ----- ------ --- ------ --- ------ --- ------ --- ------ --- 1972 1 3 24 77 2 6 2 6 2 6 1973 3 10 12 39 8 26 3 10 5 16 1974 5 16 19 61 4 13 0 0 3 10 1975 5 16 15 48 11 35 0 0 0 0 1976 0 0 15 48 9 29 1 3 6 19 1977 7 23 13 42 7 23 1 3 3 10 1978 2 6 20 65 7 23 0 0 2 6 1979 3 10 20 65 6 19 2 6 0 0 1980 3 10 16 52 3 10 4 13 5 16 1981 10 32 18 58 3 10 0 0 0 0 1982 1 3 17 55 10 32 2 6 1 3 1983 12 39 15 48 2 6 1 3 1 3 1984 8 26 21 68 1 3 0 0 1 3 1985 5 16 16 52 7 23 1 3 2 6 1986 8 26 18 58 4 13 1 3 0 0 1987 10 32 15 48 4 13 1 3 1 3 1988 10 32 13 42 7 23 1 3 0 0 1989 21 68 4 13 4 13 1 3 1 3 1990 12 39 13 42 4 13 0 0 2 6 1991 23 74 3 10 5 16 0 0 0 0 1992 15 48 8 26 6 19 2 6 0 0 1993 13 42 10 32 4 13 1 3 3 10 1994 11 35 12 39 7 23 0 0 1 3 1995 21 68 6 19 4 13 0 0 0 0 1996 26 84 2 6 2 6 1 3 0 0 1997 23 74 4 13 3 10 1 3 0 0 1998 17 55 7 23 5 16 2 6 0 0 1999 19 61 8 26 3 10 1 3 0 0 2000 26 84 5 16 0 0 0 0 0 0 2001 9 29 12 39 4 13 3 10 3 10 2002 23 74 6 19 2 6 0 0 0 0 2003 9 29 15 48 6 19 1 3 0 0 2004 12 39 12 39 4 13 1 3 2 6 2005 13 42 12 39 6 19 0 0 0 0 2006 17 55 10 32 3 10 1 3 0 0 2007 16 52 11 35 3 10 1 3 0 0 2008 8 26 12 39 7 23 4 13 0 0 2009 9 29 7 23 14 45 1 3 0 0 2010 19 61 8 26 3 10 1 3 0 0 2011 15 48 12 39 1 3 2 6 1 3 2012 17 55 11 35 1 3 2 6 0 0 2013 12 39 11 35 8 26 0 0 0 0 2014 17 55 8 26 2 6 2 6 2 6 2015 12 39 5 16 6 19 2 6 6 19 2016 20 65 10 32 1 3 0 0 0 0 2017 27 87 4 13 0 0 0 0 0 0 2018 12 39 13 42 6 19 0 0 0 0 2019 8 26 9 29 8 26 3 10 3 10 2020 19 61 9 29 3 10 0 0 0 0 2021 15 48 10 32 3 10 2 6 1 3 2022 13 42 8 26 3 10 2 6 5 16 MEAN 13 41 11 37 5 15 1 4 1 4 SD 7 5 3 1 2