1988 season
Atlantic (19)
- Unnamed Tropical Depression, AL13 1988Tropical Depression · 30 mph · May 31–Jun 2
- Tropical Storm AlbertoTropical Storm · 40 mph · Aug 5–Aug 8
- Tropical Storm BerylTropical Storm · 50 mph · Aug 8–Aug 10
- Unnamed Tropical Depression, AL14 1988Tropical Depression · 35 mph · Aug 13–Aug 14
- Unnamed Tropical Depression, AL15 1988Tropical Depression · 35 mph · Aug 20–Aug 31
- Unnamed Tropical Depression, AL16 1988Tropical Depression · 35 mph · Aug 20–Aug 24
- Tropical Storm ChrisTropical Storm · 50 mph · 1 landfall · Aug 21–Aug 30
- Hurricane DebbyHurricane Category 1 · 75 mph · 1 landfall · Aug 31–Sep 8
- Tropical Storm ErnestoTropical Storm · 65 mph · Sep 3–Sep 5
- Unnamed Tropical Depression, AL17 1988Tropical Depression · 35 mph · Sep 4–Sep 4
- Unnamed Tropical Storm, AL06 1988Tropical Storm · 60 mph · Sep 7–Sep 10
- Hurricane FlorenceHurricane Category 1 · 80 mph · 1 landfall · Sep 7–Sep 11
- Hurricane GilbertHurricane Category 5 · 185 mph · 3 landfalls · Sep 8–Sep 20
- Hurricane HeleneHurricane Category 4 · 145 mph · Sep 19–Sep 30
- Unnamed Tropical Depression, AL18 1988Tropical Depression · 30 mph · Sep 27–Sep 29
- Tropical Storm IsaacTropical Storm · 45 mph · Sep 28–Oct 1
- Hurricane JoanHurricane Category 4 · 145 mph · 3 landfalls · Oct 10–Oct 23
- Unnamed Tropical Depression, AL19 1988Tropical Depression · 35 mph · Oct 19–Oct 21
- Tropical Storm KeithTropical Storm · 75 mph · 2 landfalls · Nov 17–Nov 26
Eastern Pacific (20)
- Unnamed Tropical Depression, EP14 1988Tropical Depression · 35 mph · Jun 15–Jun 18
- Tropical Storm AlettaTropical Storm · 70 mph · Jun 16–Jun 21
- Tropical Storm BudTropical Storm · 50 mph · Jun 20–Jun 22
- Unnamed Tropical Depression, EP15 1988Tropical Depression · 30 mph · Jul 2–Jul 4
- Hurricane CarlottaHurricane Category 1 · 75 mph · Jul 8–Jul 15
- Tropical Storm DanielTropical Storm · 65 mph · Jul 19–Jul 26
- Tropical Storm EmiliaTropical Storm · 70 mph · Jul 27–Aug 2
- Tropical Storm GilmaTropical Storm · 50 mph · Jul 28–Aug 3
- Hurricane FabioHurricane Category 4 · 140 mph · Jul 28–Aug 9
- Unnamed Tropical Depression, EP16 1988Tropical Depression · 30 mph · Jul 28–Jul 29
- Hurricane HectorHurricane Category 4 · 145 mph · Jul 30–Aug 9
- Hurricane IvaHurricane Category 2 · 105 mph · Aug 5–Aug 13
- Unnamed Tropical Depression, EP17 1988Tropical Depression · 35 mph · Aug 14–Aug 16
- Tropical Storm JohnTropical Storm · 40 mph · Aug 16–Aug 21
- Unnamed Tropical Depression, EP18 1988Tropical Depression · 35 mph · Aug 27–Aug 29
- Hurricane KristyHurricane Category 1 · 90 mph · Aug 29–Sep 6
- Unnamed Tropical Depression, EP19 1988Tropical Depression · 35 mph · Sep 12–Sep 15
- Hurricane LaneHurricane Category 2 · 105 mph · Sep 21–Sep 30
- Unnamed Tropical Depression, EP20 1988Tropical Depression · 35 mph · Oct 11–Oct 12
- Tropical Storm MiriamTropical Storm · 70 mph · Oct 23–Nov 2
Central Pacific (2)
- Hurricane UlekiHurricane Category 3 · 125 mph · Aug 28–Sep 13
- Tropical Storm WilaTropical Storm · 40 mph · Sep 21–Sep 25