1977 season
Atlantic (15)
- Unnamed Tropical Depression, AL01 1977Tropical Depression · 30 mph · Jun 13–Jun 14
- Unnamed Tropical Depression, AL02 1977Tropical Depression · 35 mph · Jul 18–Jul 19
- Unnamed Tropical Depression, AL03 1977Tropical Depression · 30 mph · Jul 25–Jul 26
- Unnamed Tropical Depression, AL04 1977Tropical Depression · 35 mph · Aug 1–Aug 4
- Hurricane AnitaHurricane Category 5 · 175 mph · Aug 29–Sep 3
- Hurricane BabeHurricane Category 1 · 75 mph · Sep 3–Sep 9
- Hurricane ClaraHurricane Category 1 · 75 mph · Sep 5–Sep 12
- Unnamed Tropical Depression, AL08 1977Tropical Depression · 30 mph · Sep 17–Sep 19
- Unnamed Tropical Depression, AL09 1977Tropical Depression · 30 mph · Sep 22–Sep 23
- Hurricane DorothyHurricane Category 1 · 85 mph · Sep 26–Sep 30
- Unnamed Tropical Depression, AL11 1977Tropical Depression · 35 mph · Oct 1–Oct 3
- Unnamed Tropical Depression, AL12 1977Tropical Depression · 35 mph · Oct 3–Oct 5
- Hurricane EvelynHurricane Category 1 · 80 mph · Oct 13–Oct 16
- Tropical Storm FriedaTropical Storm · 60 mph · Oct 16–Oct 19
- Unnamed Tropical Depression, AL15 1977Tropical Depression · 35 mph · Oct 24–Oct 25
Eastern Pacific (8)
- Tropical Storm AvaTropical Storm · 65 mph · May 26–May 30
- Tropical Storm BerniceTropical Storm · 40 mph · Jun 25–Jun 28
- Hurricane ClaudiaHurricane Category 1 · 90 mph · Jul 3–Jul 7
- Hurricane DoreenHurricane Category 1 · 75 mph · Aug 13–Aug 18
- Tropical Storm EmilyTropical Storm · 40 mph · Sep 13–Sep 14
- Hurricane FlorenceHurricane Category 2 · 105 mph · Sep 20–Sep 24
- Tropical Storm GlendaTropical Storm · 40 mph · Sep 24–Sep 27
- Hurricane HeatherHurricane Category 1 · 85 mph · Oct 4–Oct 7