1998 season
Atlantic (14)
- Tropical Storm AlexTropical Storm · 50 mph · Jul 27–Aug 2
- Hurricane BonnieHurricane Category 3 · 115 mph · 1 landfall · Aug 19–Aug 31
- Tropical Storm CharleyTropical Storm · 70 mph · 1 landfall · Aug 21–Aug 24
- Hurricane DanielleHurricane Category 2 · 105 mph · Aug 24–Sep 8
- Hurricane EarlHurricane Category 2 · 100 mph · 1 landfall · Aug 31–Sep 8
- Tropical Storm FrancesTropical Storm · 65 mph · 1 landfall · Sep 8–Sep 13
- Hurricane GeorgesHurricane Category 4 · 155 mph · 7 landfalls · Sep 15–Oct 1
- Tropical Storm HermineTropical Storm · 45 mph · 1 landfall · Sep 17–Sep 20
- Hurricane IvanHurricane Category 1 · 90 mph · Sep 19–Sep 27
- Hurricane JeanneHurricane Category 2 · 105 mph · Sep 21–Oct 4
- Hurricane KarlHurricane Category 2 · 105 mph · Sep 23–Sep 29
- Hurricane LisaHurricane Category 1 · 75 mph · Oct 5–Oct 10
- Hurricane MitchHurricane Category 5 · 180 mph · 3 landfalls · Oct 22–Nov 9
- Hurricane NicoleHurricane Category 1 · 85 mph · Nov 24–Dec 2
Eastern Pacific (15)
- Tropical Storm AgathaTropical Storm · 65 mph · Jun 11–Jun 16
- Unnamed Tropical Depression, EP02 1998Tropical Depression · 35 mph · Jun 19–Jun 22
- Hurricane BlasHurricane Category 4 · 140 mph · Jun 22–Jun 30
- Tropical Storm CeliaTropical Storm · 60 mph · Jul 17–Jul 21
- Hurricane DarbyHurricane Category 3 · 115 mph · Jul 23–Aug 1
- Hurricane EstelleHurricane Category 4 · 130 mph · Jul 29–Aug 8
- Tropical Storm FrankTropical Storm · 45 mph · Aug 6–Aug 10
- Hurricane GeorgetteHurricane Category 3 · 115 mph · Aug 11–Aug 17
- Hurricane HowardHurricane Category 4 · 150 mph · Aug 20–Aug 30
- Hurricane IsisHurricane Category 1 · 75 mph · Sep 1–Sep 3
- Tropical Storm JavierTropical Storm · 60 mph · Sep 6–Sep 14
- Unnamed Tropical Depression, EP12 1998Tropical Depression · 35 mph · Oct 1–Oct 3
- Hurricane KayHurricane Category 1 · 75 mph · Oct 13–Oct 17
- Hurricane LesterHurricane Category 3 · 115 mph · Oct 15–Oct 26
- Hurricane MadelineHurricane Category 1 · 85 mph · Oct 16–Oct 20
Central Pacific (1)
- Unnamed Tropical Depression, CP01 1998Tropical Depression · 35 mph · Aug 16–Aug 19