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August 21 in storm history

27 storms in the historical record were active on August 21 — 18 hurricanes, 15 of them major (Category 3+). The strongest was Lane (2018), a Category 5 hurricane peaking at 140 kt. Data: NOAA HURDAT2 best-track archive (2015–present on this site).

← August-20 August-22 → Today's briefing Season archive

2020s

Erin (2025) CAT 5 140 kt peak 08-11 → 08-27

Laura (2020) CAT 4 130 kt peak 08-20 → 08-29

Franklin (2023) CAT 4 130 kt peak 08-19 → 09-09

Genevieve (2020) CAT 4 115 kt peak 08-16 → 08-22

Linda (2021) CAT 4 115 kt peak 08-09 → 08-24

Fernanda (2023) CAT 4 115 kt peak 08-12 → 08-24

Gilma (2024) CAT 4 115 kt peak 08-18 → 08-29

Lala (2026) CAT 4 115 kt peak 08-12 → 08-28

Grace (2021) CAT 3 105 kt peak 08-13 → 08-21

Marco (2020) CAT 1 65 kt peak 08-20 → 08-25

Henri (2021) CAT 1 65 kt peak 08-15 → 08-24

Gert (2023) TS 50 kt peak 08-19 → 09-04

Harold (2023) TS 50 kt peak 08-21 → 08-23

Emily (2023) TS 45 kt peak 08-18 → 08-25

Moke (2026) TS 45 kt peak 08-20 → 08-25

Ivette (2022) TS 35 kt peak 08-12 → 08-22

2010s

Lane (2018) CAT 5 140 kt peak 08-13 → 08-29

Kilo (2015) CAT 4 120 kt peak 08-20 → 09-11

Harvey (2017) CAT 4 115 kt peak 08-16 → 09-02

Kenneth (2017) CAT 4 115 kt peak 08-17 → 08-27

Danny (2015) CAT 3 110 kt peak 08-17 → 08-24

Gaston (2016) CAT 3 105 kt peak 08-21 → 09-03

Loke (2015) CAT 1 65 kt peak 08-19 → 08-26

Ivo (2019) TS 60 kt peak 08-21 → 08-27

Fiona (2016) TS 45 kt peak 08-16 → 08-24

Kay (2016) TS 45 kt peak 08-17 → 08-26

Chantal (2019) TS 35 kt peak 08-20 → 08-26

Peak winds are lifetime maxima from the NOAA best-track archive, not necessarily the intensity on August 21. Browse all-time records or seasons year by year.