1870 Atlantic hurricane season

The **1870 Atlantic hurricane season** was a hurricane season in the Atlantic Ocean. Because of a lack of information, many storm tracks appear short and incomplete.

### Hurricane One

This hurricane is known to have impacted the Mobile, Alabama, area on July 30.

### Hurricane Two

This hurricane is known to have lasted from August 30 to September 4.

### Tropical Storm Three

This tropical storm is known to have lasted from September 1 to September 4.

### Hurricane Four

This hurricane is known to have lasted from September 9 to September 13. At its strongest, the storm was a Category 3 hurricane with winds of 125 mph (205 km/h), making it the strongest of the season.

### Hurricane Five

This hurricane is known to have lasted from September 17 to September 20.

### Hurricane Six

On October 5, a tropical storm formed south of Haiti. It moved west-northwest, becoming a hurricane south of Cuba on the 6th. The hurricane strengthened fast to its top winds of 115 mph before hitting Matanzas, Cuba on the 7th. After crossing the island, it moved slowly over the Florida Keys and then out to sea, last being seen on the 14th. The hurricane, known as the Hurricane of San Marcos or the Straits of Florida Hurricane, caused lots of flooding in Cuba and south Florida, resulting in 800 or more deaths.

### Hurricane Seven

This hurricane is known to have existed on October 7.

### Hurricane Eight

This hurricane is known to have existed on October 10 and October 11.

### Hurricane Nine

This hurricane is known to have lasted from October 19 to October 22. It struck Cuba as a Category 2 hurricane and then Florida on October 20 as a Category 1 hurricane. The storm caused 52 deaths.

### Hurricane Ten

This hurricane is known to have existed near the Turks and Caicos Islands on October 23.

### Hurricane Eleven

The final storm of the season is known to have existed from October 30 to November 3 and struck the Yucatán Peninsula of Mexico on November 1.

## Infobox (hurricane season)

- **basin**: Atl
- **year**: 1870
- **track**: 1870 Atlantic hurricane season summary.jpg
- **first storm formed**: July 30, 1870
- **last storm dissipated**: November 3, 1870
- **strongest storm name**: Hurricane Four –
- **strongest storm pressure**: 948
- **strongest storm winds**: 110
- **total storms**: 11
- **total hurricanes**: 10
- **total intense**: 2
- **five seasons**: 1868 Atlantic hurricane season, 1868, 1869 Atlantic hurricane season, 1869, **1870**, 1871 Atlantic hurricane season, 1871, 1872 Atlantic hurricane season, 1872


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 1 track.png
- **formed**: July 30
- **dissipated**: July 30
- **1-min winds**: 70


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 2 track.png
- **formed**: August 30
- **dissipated**: September 4
- **1-min winds**: 90


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic tropical storm 3 track.png
- **formed**: September 1
- **dissipated**: September 4
- **1-min winds**: 60
- **pressure**: 1004


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 4 track.png
- **formed**: September 9
- **dissipated**: September 13
- **1-min winds**: 110
- **pressure**: 948


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 5 track.png
- **formed**: September 17
- **dissipated**: September 20
- **1-min winds**: 80
- **pressure**: 969


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 6 track.png
- **formed**: October 5
- **dissipated**: October 14
- **1-min winds**: 100
- **pressure**: 959


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 7 track.png
- **formed**: October 7
- **dissipated**: October 7
- **1-min winds**: 70


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 8 track.png
- **formed**: October 10
- **dissipated**: October 11
- **1-min winds**: 70


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 9 track.png
- **formed**: October 19
- **dissipated**: October 22
- **1-min winds**: 90


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 10 track.png
- **formed**: October 23
- **dissipated**: October 23
- **1-min winds**: 90


## Infobox (hurricane small)

- **basin**: Atl
- **image**: 1870 Atlantic hurricane 11 track.png
- **formed**: October 30
- **dissipated**: November 3
- **1-min winds**: 70