Track map & timeline · Atlantic · September 22 – October 7, 2021
TD TS Cat 1 2 3 4 5 · dashed = post-tropical / remnant low. During the replay the shaded rings show the storm’s wind field as analysed by NHC — 39+, 58+ and 74+ mph winds, quadrant by quadrant. Click any point or table row to jump there.
01 · The story
Hurricane Sam (2021) was a Category 4 hurricane of the 2021 Atlantic season. It formed on September 22, 2021, reached its peak of 155 mph (250 km/h) and a minimum pressure of 927 mb on September 26, 2021, and never made landfall. It rapidly intensified by 51 mph in 24 hours (to 132 mph on September 25, 2021). The storm lasted 14.5 days and travelled about 5,894 miles (9,483 km).
02 · Intensity
03 · Timeline
| Date · UTC | Status | Wind | Pressure | Position | Nearest place |
|---|---|---|---|---|---|
| Sep 22 18:00 | TD | 35 mph | 1008 mb | 10.0°N 33.1°W | open ocean |
| Sep 23 00:00 | TD | 35 mph | 1008 mb | 10.2°N 34.4°W | open ocean |
| Sep 23 06:00 | TS | 40 mph | 1006 mb | 10.4°N 36.0°W | open ocean |
| Sep 23 12:00 | TS | 52 mph | 1003 mb | 10.7°N 37.6°W | open ocean |
| Sep 23 18:00 | TS | 58 mph | 1000 mb | 10.9°N 39.0°W | open ocean |
| Sep 24 00:00 | TS | 69 mph | 997 mb | 11.1°N 40.3°W | open ocean |
| Sep 24 06:00 | Cat 1 | 75 mph | 993 mb | 11.4°N 41.6°W | open ocean |
| Sep 24 12:00 | Cat 1 | 75 mph | 993 mb | 11.6°N 43.0°W | open ocean |
| Sep 24 18:00 | Cat 1 | 81 mph | 989 mb | 11.9°N 44.3°W | open ocean |
| Sep 25 00:00 | Cat 2 | 98 mph | 982 mb | 12.3°N 45.4°W | open ocean |
| Sep 25 06:00 | Cat 2 | 109 mph | 973 mb | 12.6°N 46.3°W | open ocean |
| Sep 25 12:00 | Cat 3 | 121 mph | 960 mb | 12.8°N 47.2°W | open ocean |
| Sep 25 18:00 | Cat 4 | 132 mph | 950 mb | 13.1°N 48.1°W | open ocean |
| Sep 26 00:00 | Cat 4 | 150 mph | 943 mb | 13.4°N 48.8°W | open ocean |
| Sep 26 06:00 | Cat 4 | 150 mph | 943 mb | 13.6°N 49.4°W | open ocean |
| Sep 26 12:00 | Cat 4 | 150 mph | 939 mb | 13.8°N 50.0°W | open ocean |
| Sep 26 18:00 | Cat 4 | 155 mph | 927 mb | 14.1°N 50.3°W | open ocean |
| Sep 27 00:00 | Cat 4 | 150 mph | 940 mb | 14.5°N 50.6°W | open ocean |
| Sep 27 06:00 | Cat 4 | 132 mph | 948 mb | 15.0°N 51.1°W | open ocean |
| Sep 27 12:00 | Cat 3 | 121 mph | 955 mb | 15.4°N 51.7°W | open ocean |
| Sep 27 18:00 | Cat 3 | 121 mph | 958 mb | 15.9°N 52.3°W | open ocean |
| Sep 28 00:00 | Cat 3 | 121 mph | 955 mb | 16.5°N 52.9°W | open ocean |
| Sep 28 06:00 | Cat 4 | 132 mph | 952 mb | 16.9°N 53.5°W | open ocean |
| Sep 28 12:00 | Cat 4 | 132 mph | 952 mb | 17.3°N 54.1°W | open ocean |
| Sep 28 18:00 | Cat 4 | 132 mph | 947 mb | 17.7°N 54.7°W | open ocean |
| Sep 29 00:00 | Cat 4 | 132 mph | 947 mb | 18.1°N 55.3°W | open ocean |
| Sep 29 06:00 | Cat 4 | 132 mph | 952 mb | 18.6°N 55.9°W | open ocean |
| Sep 29 12:00 | Cat 4 | 132 mph | 952 mb | 19.1°N 56.6°W | open ocean |
| Sep 29 18:00 | Cat 4 | 132 mph | 945 mb | 19.7°N 57.3°W | open ocean |
| Sep 30 00:00 | Cat 4 | 144 mph | 940 mb | 20.3°N 58.0°W | open ocean |
| Sep 30 06:00 | Cat 4 | 144 mph | 937 mb | 21.0°N 58.8°W | open ocean |
| Sep 30 12:00 | Cat 4 | 144 mph | 937 mb | 22.0°N 59.6°W | open ocean |
| Sep 30 18:00 | Cat 4 | 144 mph | 941 mb | 23.0°N 60.4°W | open ocean |
| Oct 1 00:00 | Cat 4 | 144 mph | 938 mb | 24.3°N 61.0°W | open ocean |
| Oct 1 06:00 | Cat 4 | 150 mph | 936 mb | 25.8°N 61.6°W | open ocean |
| Oct 1 12:00 | Cat 4 | 150 mph | 936 mb | 27.4°N 61.9°W | open ocean |
| Oct 1 18:00 | Cat 4 | 150 mph | 937 mb | 29.2°N 61.9°W | open ocean |
| Oct 2 00:00 | Cat 4 | 144 mph | 940 mb | 30.8°N 61.5°W | open ocean |
| Oct 2 06:00 | Cat 4 | 138 mph | 945 mb | 32.1°N 61.0°W | open ocean |
| Oct 2 12:00 | Cat 4 | 132 mph | 948 mb | 33.4°N 60.1°W | open ocean |
| Oct 2 18:00 | Cat 3 | 127 mph | 950 mb | 34.7°N 59.1°W | open ocean |
| Oct 3 00:00 | Cat 3 | 115 mph | 954 mb | 35.8°N 57.9°W | open ocean |
| Oct 3 06:00 | Cat 2 | 104 mph | 960 mb | 36.7°N 56.6°W | open ocean |
| Oct 3 12:00 | Cat 2 | 98 mph | 964 mb | 37.3°N 55.4°W | open ocean |
| Oct 3 18:00 | Cat 2 | 98 mph | 964 mb | 38.0°N 53.9°W | open ocean |
| Oct 4 00:00 | Cat 2 | 104 mph | 957 mb | 38.7°N 52.2°W | open ocean |
| Oct 4 06:00 | Cat 2 | 104 mph | 957 mb | 39.9°N 49.9°W | open ocean |
| Oct 4 12:00 | Cat 2 | 98 mph | 960 mb | 41.4°N 47.1°W | open ocean |
| Oct 4 18:00 | Cat 1 | 92 mph | 965 mb | 43.8°N 43.6°W | open ocean |
| Oct 5 00:00 | Cat 1 | 86 mph | 965 mb | 46.5°N 40.5°W | open ocean |
| Oct 5 06:00 | Cat 1 extratropical | 81 mph | 965 mb | 49.4°N 39.7°W | open ocean |
| Oct 5 12:00 | Cat 1 extratropical | 75 mph | 966 mb | 52.2°N 39.6°W | open ocean |
| Oct 5 18:00 | Cat 1 extratropical | 75 mph | 966 mb | 50.6°N 42.1°W | open ocean |
| Oct 6 00:00 | TS extratropical | 69 mph | 967 mb | 49.9°N 38.9°W | open ocean |
| Oct 6 06:00 | TS extratropical | 63 mph | 968 mb | 50.5°N 35.5°W | open ocean |
| Oct 6 12:00 | TS extratropical | 58 mph | 969 mb | 51.5°N 32.4°W | open ocean |
| Oct 6 18:00 | TS extratropical | 52 mph | 971 mb | 53.1°N 29.0°W | open ocean |
| Oct 7 00:00 | TS extratropical | 52 mph | 973 mb | 55.2°N 25.4°W | open ocean |
| Oct 7 06:00 | TS extratropical | 46 mph | 976 mb | 58.1°N 22.3°W | open ocean |
⬇ Download track data (CSV) · public-domain NOAA best track
Questions
No — the NOAA best-track record shows no landfall for Sam.
At its peak on September 26, 2021, Sam was a Category 4 hurricane with maximum sustained winds of 155 mph (250 km/h) and a central pressure of 927 mb.
14.5 days, from September 22, 2021 to October 7, 2021, including 264 hours at hurricane strength (186 as a major hurricane). It travelled about 5,894 miles.
The 6-hourly positions, winds, pressure and wind radii are available as CSV on this page (track.csv) — they come from the NOAA National Hurricane Center's HURDAT2 database and are in the public domain.
This site was built by Digital Dynamics Kft.
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