1984 season
Atlantic (20)
- Unnamed Tropical Depression, AL01 1984Tropical Depression · 35 mph · Jun 11–Jun 14
- Unnamed Tropical Depression, AL02 1984Tropical Depression · 35 mph · Jun 18–Jun 20
- Unnamed Tropical Depression, AL03 1984Tropical Depression · 35 mph · Jul 24–Jul 26
- Unnamed Tropical Depression, AL04 1984Tropical Depression · 35 mph · Aug 6–Aug 8
- Unnamed Subtropical Storm, AL05 1984Subtropical Storm · 60 mph · Aug 18–Aug 21
- Tropical Storm ArthurTropical Storm · 50 mph · Aug 28–Sep 5
- Tropical Storm BerthaTropical Storm · 40 mph · Aug 30–Sep 4
- Tropical Storm CesarTropical Storm · 60 mph · Aug 31–Sep 2
- Unnamed Tropical Depression, AL09 1984Tropical Depression · 35 mph · Sep 6–Sep 8
- Hurricane DianaHurricane Category 4 · 130 mph · 1 landfall · Sep 8–Sep 16
- Tropical Storm EdouardTropical Storm · 65 mph · Sep 14–Sep 15
- Tropical Storm FranTropical Storm · 65 mph · Sep 15–Sep 20
- Tropical Storm GustavTropical Storm · 50 mph · Sep 16–Sep 19
- Hurricane HortenseHurricane Category 1 · 75 mph · Sep 23–Oct 2
- Tropical Storm IsidoreTropical Storm · 60 mph · Sep 25–Oct 1
- Hurricane JosephineHurricane Category 2 · 105 mph · Oct 7–Oct 21
- Unnamed Tropical Depression, AL17 1984Tropical Depression · 35 mph · Oct 25–Oct 28
- Hurricane KlausHurricane Category 1 · 90 mph · Nov 5–Nov 13
- Unnamed Tropical Depression, AL19 1984Tropical Depression · 35 mph · Nov 23–Nov 28
- Hurricane LiliHurricane Category 1 · 80 mph · Dec 12–Dec 24
Eastern Pacific (19)
- Tropical Storm AlmaTropical Storm · 60 mph · May 17–May 21
- Hurricane BorisHurricane Category 1 · 75 mph · May 28–Jun 18
- Hurricane CristinaHurricane Category 2 · 105 mph · Jun 17–Jun 26
- Hurricane DouglasHurricane Category 4 · 145 mph · Jun 25–Jul 6
- Hurricane ElidaHurricane Category 4 · 130 mph · Jun 28–Jul 8
- Hurricane FaustoHurricane Category 2 · 110 mph · Jul 3–Jul 10
- Hurricane GenevieveHurricane Category 3 · 115 mph · Jul 7–Jul 14
- Tropical Storm HernanTropical Storm · 50 mph · Jul 27–Aug 1
- Hurricane IselleHurricane Category 4 · 130 mph · Aug 3–Aug 12
- Tropical Storm JulioTropical Storm · 65 mph · Aug 15–Aug 20
- Tropical Storm KennaTropical Storm · 60 mph · Aug 16–Aug 21
- Tropical Storm LalaTropical Storm · 50 mph · Aug 23–Sep 2
- Hurricane LowellHurricane Category 1 · 85 mph · Aug 26–Aug 30
- Hurricane MarieHurricane Category 1 · 90 mph · Sep 5–Sep 11
- Hurricane NorbertHurricane Category 4 · 130 mph · Sep 14–Sep 26
- Hurricane OdileHurricane Category 2 · 105 mph · Sep 17–Sep 23
- Hurricane PoloHurricane Category 3 · 115 mph · Sep 26–Oct 3
- Tropical Storm RachelTropical Storm · 65 mph · Oct 7–Oct 16
- Tropical Storm SimonTropical Storm · 65 mph · Oct 31–Nov 8
Central Pacific (2)
- Hurricane KeliHurricane Category 3 · 115 mph · Aug 16–Aug 22
- Tropical Storm MokeTropical Storm · 50 mph · Sep 4–Sep 5