Grace: 2021 North Atlantic
Grace reached 105 kt (194 km/h, 121 mph) (C3) in the 2021 North Atlantic season, from 2021-08-13 to 2021-08-21, with track, wind and pressure and 8.6 ACE.
Data as of . Last revised (2026-10-17).
Key Facts
- Grace was a category 3 at its peak in the 2021 North Atlantic season.
- Peak maximum sustained wind was 105 kt (194 km/h, 121 mph), reached on 21 August 2021, and the lowest pressure was 967 hPa.
- The track runs from 13 August 2021 to 21 August 2021 with 71 six hourly positions.
- Grace accumulated 8.6 ACE.
- 4 landfalls are recorded, the first on 16 August 2021.
Track
13 August 2021 to 21 August 2021| Storm | First position (lat, lon) | Last position (lat, lon) | Track points |
|---|---|---|---|
| Grace | 15.0, -46.7 | 20.2, -98.0 | 71 |
Wind
Knots, six hourly| Time (UTC) | Wind (kt) |
|---|---|
| 2021-08-13T06:00:00Z | 30 kt |
| 2021-08-13T09:00:00Z | 30 kt |
| 2021-08-13T12:00:00Z | 30 kt |
| 2021-08-13T15:00:00Z | 30 kt |
| 2021-08-13T18:00:00Z | 30 kt |
| 2021-08-13T21:00:00Z | 30 kt |
| 2021-08-14T00:00:00Z | 30 kt |
| 2021-08-14T03:00:00Z | 30 kt |
| 2021-08-14T06:00:00Z | 30 kt |
| 2021-08-14T09:00:00Z | 33 kt |
| 2021-08-14T12:00:00Z | 35 kt |
| 2021-08-14T15:00:00Z | 35 kt |
| 2021-08-14T18:00:00Z | 35 kt |
| 2021-08-14T21:00:00Z | 33 kt |
| 2021-08-15T00:00:00Z | 30 kt |
| 2021-08-15T03:00:00Z | 30 kt |
| 2021-08-15T06:00:00Z | 30 kt |
| 2021-08-15T09:00:00Z | 30 kt |
| 2021-08-15T12:00:00Z | 30 kt |
| 2021-08-15T15:00:00Z | 30 kt |
| 2021-08-15T18:00:00Z | 30 kt |
| 2021-08-15T21:00:00Z | 30 kt |
| 2021-08-16T00:00:00Z | 30 kt |
| 2021-08-16T03:00:00Z | 30 kt |
| 2021-08-16T06:00:00Z | 30 kt |
| 2021-08-16T09:00:00Z | 33 kt |
| 2021-08-16T12:00:00Z | 35 kt |
| 2021-08-16T15:00:00Z | 35 kt |
| 2021-08-16T16:30:00Z | 35 kt |
| 2021-08-16T18:00:00Z | 35 kt |
| 2021-08-16T21:00:00Z | 35 kt |
| 2021-08-17T00:00:00Z | 35 kt |
| 2021-08-17T03:00:00Z | 38 kt |
| 2021-08-17T06:00:00Z | 40 kt |
| 2021-08-17T09:00:00Z | 43 kt |
| 2021-08-17T12:00:00Z | 45 kt |
| 2021-08-17T14:00:00Z | 50 kt |
| 2021-08-17T15:00:00Z | 50 kt |
| 2021-08-17T18:00:00Z | 50 kt |
| 2021-08-17T21:00:00Z | 50 kt |
| 2021-08-18T00:00:00Z | 50 kt |
| 2021-08-18T03:00:00Z | 53 kt |
| 2021-08-18T06:00:00Z | 55 kt |
| 2021-08-18T09:00:00Z | 60 kt |
| 2021-08-18T12:00:00Z | 65 kt |
| 2021-08-18T15:00:00Z | 68 kt |
| 2021-08-18T18:00:00Z | 70 kt |
| 2021-08-18T21:00:00Z | 70 kt |
| 2021-08-19T00:00:00Z | 70 kt |
| 2021-08-19T03:00:00Z | 70 kt |
| 2021-08-19T06:00:00Z | 70 kt |
| 2021-08-19T09:00:00Z | 74 kt |
| 2021-08-19T09:45:00Z | 75 kt |
| 2021-08-19T12:00:00Z | 60 kt |
| 2021-08-19T15:00:00Z | 53 kt |
| 2021-08-19T18:00:00Z | 45 kt |
| 2021-08-19T21:00:00Z | 50 kt |
| 2021-08-20T00:00:00Z | 55 kt |
| 2021-08-20T03:00:00Z | 58 kt |
| 2021-08-20T06:00:00Z | 60 kt |
| 2021-08-20T09:00:00Z | 68 kt |
| 2021-08-20T12:00:00Z | 75 kt |
| 2021-08-20T15:00:00Z | 80 kt |
| 2021-08-20T18:00:00Z | 85 kt |
| 2021-08-20T21:00:00Z | 95 kt |
| 2021-08-21T00:00:00Z | 105 kt |
| 2021-08-21T03:00:00Z | 105 kt |
| 2021-08-21T05:30:00Z | 105 kt |
| 2021-08-21T06:00:00Z | 100 kt |
| 2021-08-21T09:00:00Z | 80 kt |
| 2021-08-21T12:00:00Z | 60 kt |
Pressure
hPa, six hourly| Time (UTC) | Pressure (hPa) |
|---|---|
| 2021-08-13T06:00:00Z | 1010 hPa |
| 2021-08-13T09:00:00Z | 1010 hPa |
| 2021-08-13T12:00:00Z | 1010 hPa |
| 2021-08-13T15:00:00Z | 1010 hPa |
| 2021-08-13T18:00:00Z | 1010 hPa |
| 2021-08-13T21:00:00Z | 1010 hPa |
| 2021-08-14T00:00:00Z | 1010 hPa |
| 2021-08-14T03:00:00Z | 1010 hPa |
| 2021-08-14T06:00:00Z | 1010 hPa |
| 2021-08-14T09:00:00Z | 1010 hPa |
| 2021-08-14T12:00:00Z | 1009 hPa |
| 2021-08-14T15:00:00Z | 1009 hPa |
| 2021-08-14T18:00:00Z | 1009 hPa |
| 2021-08-14T21:00:00Z | 1010 hPa |
| 2021-08-15T00:00:00Z | 1010 hPa |
| 2021-08-15T03:00:00Z | 1010 hPa |
| 2021-08-15T06:00:00Z | 1010 hPa |
| 2021-08-15T09:00:00Z | 1010 hPa |
| 2021-08-15T12:00:00Z | 1010 hPa |
| 2021-08-15T15:00:00Z | 1011 hPa |
| 2021-08-15T18:00:00Z | 1011 hPa |
| 2021-08-15T21:00:00Z | 1011 hPa |
| 2021-08-16T00:00:00Z | 1011 hPa |
| 2021-08-16T03:00:00Z | 1011 hPa |
| 2021-08-16T06:00:00Z | 1010 hPa |
| 2021-08-16T09:00:00Z | 1009 hPa |
| 2021-08-16T12:00:00Z | 1007 hPa |
| 2021-08-16T15:00:00Z | 1007 hPa |
| 2021-08-16T16:30:00Z | 1007 hPa |
| 2021-08-16T18:00:00Z | 1007 hPa |
| 2021-08-16T21:00:00Z | 1007 hPa |
| 2021-08-17T00:00:00Z | 1006 hPa |
| 2021-08-17T03:00:00Z | 1006 hPa |
| 2021-08-17T06:00:00Z | 1006 hPa |
| 2021-08-17T09:00:00Z | 1006 hPa |
| 2021-08-17T12:00:00Z | 1005 hPa |
| 2021-08-17T14:00:00Z | 1004 hPa |
| 2021-08-17T15:00:00Z | 1004 hPa |
| 2021-08-17T18:00:00Z | 1003 hPa |
| 2021-08-17T21:00:00Z | 1002 hPa |
| 2021-08-18T00:00:00Z | 1000 hPa |
| 2021-08-18T03:00:00Z | 999 hPa |
| 2021-08-18T06:00:00Z | 998 hPa |
| 2021-08-18T09:00:00Z | 996 hPa |
| 2021-08-18T12:00:00Z | 993 hPa |
| 2021-08-18T15:00:00Z | 992 hPa |
| 2021-08-18T18:00:00Z | 990 hPa |
| 2021-08-18T21:00:00Z | 989 hPa |
| 2021-08-19T00:00:00Z | 988 hPa |
| 2021-08-19T03:00:00Z | 987 hPa |
| 2021-08-19T06:00:00Z | 985 hPa |
| 2021-08-19T09:00:00Z | 979 hPa |
| 2021-08-19T09:45:00Z | 978 hPa |
| 2021-08-19T12:00:00Z | 994 hPa |
| 2021-08-19T15:00:00Z | 996 hPa |
| 2021-08-19T18:00:00Z | 998 hPa |
| 2021-08-19T21:00:00Z | 996 hPa |
| 2021-08-20T00:00:00Z | 994 hPa |
| 2021-08-20T03:00:00Z | 993 hPa |
| 2021-08-20T06:00:00Z | 991 hPa |
| 2021-08-20T09:00:00Z | 987 hPa |
| 2021-08-20T12:00:00Z | 982 hPa |
| 2021-08-20T15:00:00Z | 979 hPa |
| 2021-08-20T18:00:00Z | 975 hPa |
| 2021-08-20T21:00:00Z | 971 hPa |
| 2021-08-21T00:00:00Z | 967 hPa |
| 2021-08-21T03:00:00Z | 967 hPa |
| 2021-08-21T05:30:00Z | 967 hPa |
| 2021-08-21T06:00:00Z | 969 hPa |
| 2021-08-21T09:00:00Z | 979 hPa |
| 2021-08-21T12:00:00Z | 988 hPa |
ACE Compared With the 2021 Season
ACE is the sum of the squares of six hourly wind speeds, in units of 10,000 knots squared, counted while winds are at or above 34 knots.
Landfalls
| Date | Place | Position | Wind |
|---|---|---|---|
| 2021-08-16 | Open coast, place not named in the data | 17.7, -71.4 | 35 kt (65 km/h, 40 mph) |
| 2021-08-17 | Open coast, place not named in the data | 18.2, -76.6 | 50 kt (93 km/h, 58 mph) |
| 2021-08-19 | Open coast, place not named in the data | 20.1, -87.5 | 75 kt (139 km/h, 86 mph) |
| 2021-08-21 | Open coast, place not named in the data | 20.6, -97.1 | 105 kt (194 km/h, 121 mph) |
Which Agency's Numbers
Wind and pressure from hurdat_atl,usa as carried in NOAA IBTrACS. Agencies average winds over different periods.
Related Headlines
Third party news, headline and link onlyDownload the Data
Sources: Source: International Best Track Archive for Climate Stewardship (IBTrACS) v04r01, NOAA National Centers for Environmental Information, doi:10.25921/82ty-9e16. Some agency values come from third parties such as JMA, IMD and BoM. (NOAA NCEI terms (citation requested)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17. Storm records are best tracks and can be revised by the agencies.