1870 season

Atlantic (11)

• Unnamed Hurricane, AL01 1870Hurricane Category 1 · 80 mph · 1 landfall · Jul 30–Jul 30
• Unnamed Hurricane, AL02 1870Hurricane Category 2 · 105 mph · Aug 30–Sep 4
• Unnamed Tropical Storm, AL03 1870Tropical Storm · 70 mph · Sep 1–Sep 4
• Unnamed Hurricane, AL04 1870Hurricane Category 3 · 125 mph · Sep 9–Sep 13
• Unnamed Hurricane, AL05 1870Hurricane Category 1 · 90 mph · Sep 17–Sep 20
• Unnamed Hurricane, AL06 1870Hurricane Category 3 · 115 mph · Oct 5–Oct 14
• Unnamed Hurricane, AL07 1870Hurricane Category 1 · 80 mph · Oct 7–Oct 7
• Unnamed Hurricane, AL08 1870Hurricane Category 1 · 80 mph · Oct 10–Oct 11
• Unnamed Hurricane, AL09 1870Hurricane Category 2 · 105 mph · 2 landfalls · Oct 19–Oct 22
• Unnamed Hurricane, AL10 1870Hurricane Category 2 · 105 mph · Oct 23–Oct 23
• Unnamed Hurricane, AL11 1870Hurricane Category 1 · 80 mph · Oct 30–Nov 3