National Hurricane Center
Storm Surge Unit
1987 Gulf Steam Analysis Data

January        1987
February      1987
March           1987
April              1987
May              1987
June             1987     
July               1987
August          1987
September    1987
October         1987
November     1987
December     1987

Image below from NOAA Ocean Service Education, Gulf Steam Current
webpage 8/17/2015 :