Station GSLM4 - Gravelly Shoal Light, MI 
Previous observations
TIME (EST) |
 WDIR |
 WSPD kts |
 GST kts |
 WVHT ft |
 DPD sec |
 APD sec |
 MWD |
 PRES in |
 PTDY in |
 ATMP °F |
 WTMP °F |
 DEWP °F |
 SAL psu |
 VIS nmi |
 TIDE ft |
| 2025-11-07 03:30 am | SE | 24.1 | 28.9 | - | - | - | - | 29.67 | - | 47.1 | - | - | - | - | - |
| 2025-11-07 03:20 am | SE | 25.1 | 29.9 | - | - | - | - | 29.68 | - | 46.8 | - | - | - | - | - |
| 2025-11-07 03:10 am | SE | 25.1 | 28.0 | - | - | - | - | 29.69 | - | 46.8 | - | - | - | - | - |
| 2025-11-07 03:00 am | SE | 25.1 | 28.0 | - | - | - | - | 29.69 | -0.20 | 46.8 | - | - | - | - | - |
| 2025-11-07 02:50 am | SE | 24.1 | 26.0 | - | - | - | - | 29.71 | - | 46.6 | - | - | - | - | - |
| 2025-11-07 02:40 am | SE | 22.0 | 26.0 | - | - | - | - | 29.73 | - | 46.4 | - | - | - | - | - |
| 2025-11-07 02:30 am | SSE | 22.0 | 27.0 | - | - | - | - | 29.75 | - | 46.2 | - | - | - | - | - |
| 2025-11-07 02:20 am | SE | 22.9 | 27.0 | - | - | - | - | 29.75 | - | 46.0 | - | - | - | - | - |
| 2025-11-07 02:10 am | SE | 22.9 | 26.0 | - | - | - | - | 29.76 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 02:00 am | SE | 24.1 | 28.0 | - | - | - | - | 29.77 | -0.14 | 46.0 | - | - | - | - | - |
| 2025-11-07 01:50 am | SE | 24.1 | 28.0 | - | - | - | - | 29.78 | - | 46.2 | - | - | - | - | - |
| 2025-11-07 01:40 am | SE | 22.9 | 27.0 | - | - | - | - | 29.78 | - | 46.0 | - | - | - | - | - |
| 2025-11-07 01:30 am | SE | 22.9 | 27.0 | - | - | - | - | 29.78 | - | 46.0 | - | - | - | - | - |
| 2025-11-07 01:20 am | SE | 22.9 | 25.1 | - | - | - | - | 29.79 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 01:10 am | SE | 22.0 | 24.1 | - | - | - | - | 29.82 | - | 45.5 | - | - | - | - | - |
| 2025-11-07 01:00 am | SE | 20.0 | 24.1 | - | - | - | - | 29.83 | -0.11 | 45.5 | - | - | - | - | - |
| 2025-11-07 12:50 am | SE | 21.0 | 22.9 | - | - | - | - | 29.84 | - | 45.7 | - | - | - | - | - |
| 2025-11-07 12:40 am | SE | 21.0 | 22.9 | - | - | - | - | 29.85 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 12:30 am | SE | 20.0 | 22.9 | - | - | - | - | 29.85 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 12:20 am | SE | 18.1 | 22.0 | - | - | - | - | 29.87 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 12:10 am | SSE | 18.1 | 22.0 | - | - | - | - | 29.87 | - | 45.9 | - | - | - | - | - |
| 2025-11-07 12:00 am | SE | 18.1 | 20.0 | - | - | - | - | 29.89 | -0.09 | 45.7 | - | - | - | - | - |
| 2025-11-06 11:50 pm | SE | 15.9 | 20.0 | - | - | - | - | 29.89 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 11:40 pm | SE | 17.1 | 21.0 | - | - | - | - | 29.89 | - | 45.5 | - | - | - | - | - |
| 2025-11-06 11:30 pm | SE | 18.1 | 21.0 | - | - | - | - | 29.89 | - | 45.3 | - | - | - | - | - |
| 2025-11-06 11:20 pm | SE | 18.1 | 21.0 | - | - | - | - | 29.90 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 11:10 pm | SE | 18.1 | 20.0 | - | - | - | - | 29.91 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 11:00 pm | SE | 18.1 | 22.0 | - | - | - | - | 29.91 | -0.11 | 45.7 | - | - | - | - | - |
| 2025-11-06 10:50 pm | SE | 19.0 | 21.0 | - | - | - | - | 29.92 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 10:40 pm | SE | 19.0 | 22.0 | - | - | - | - | 29.92 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 10:30 pm | SE | 19.0 | 22.9 | - | - | - | - | 29.92 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 10:20 pm | SE | 20.0 | 22.0 | - | - | - | - | 29.94 | - | 45.5 | - | - | - | - | - |
| 2025-11-06 10:10 pm | SE | 19.0 | 22.9 | - | - | - | - | 29.94 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 10:00 pm | SE | 20.0 | 22.0 | - | - | - | - | 29.94 | -0.09 | 45.9 | - | - | - | - | - |
| 2025-11-06 09:50 pm | SE | 18.1 | 22.9 | - | - | - | - | 29.96 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 09:40 pm | SE | 19.0 | 22.0 | - | - | - | - | 29.96 | - | 46.0 | - | - | - | - | - |
| 2025-11-06 09:30 pm | SE | 18.1 | 21.0 | - | - | - | - | 29.97 | - | 46.0 | - | - | - | - | - |
| 2025-11-06 09:20 pm | SE | 17.1 | 19.0 | - | - | - | - | 29.97 | - | 46.4 | - | - | - | - | - |
| 2025-11-06 09:10 pm | SE | 17.1 | 19.0 | - | - | - | - | 29.97 | - | 46.4 | - | - | - | - | - |
| 2025-11-06 09:00 pm | SE | 17.1 | 20.0 | - | - | - | - | 29.98 | -0.08 | 46.2 | - | - | - | - | - |
| 2025-11-06 08:50 pm | SE | 17.1 | 18.1 | - | - | - | - | 29.98 | - | 46.4 | - | - | - | - | - |
| 2025-11-06 08:40 pm | SE | 14.0 | 15.9 | - | - | - | - | 29.99 | - | 46.6 | - | - | - | - | - |
| 2025-11-06 08:30 pm | SSE | 15.0 | 17.1 | - | - | - | - | 30.00 | - | 46.6 | - | - | - | - | - |
| 2025-11-06 08:20 pm | SSE | 15.0 | 17.1 | - | - | - | - | 30.01 | - | 46.8 | - | - | - | - | - |
| 2025-11-06 08:10 pm | SSE | 15.9 | 17.1 | - | - | - | - | 30.01 | - | 46.9 | - | - | - | - | - |
| 2025-11-06 08:00 pm | SSE | 15.0 | 18.1 | - | - | - | - | 30.02 | -0.06 | 46.8 | - | - | - | - | - |
| 2025-11-06 07:50 pm | SSE | 14.0 | 18.1 | - | - | - | - | 30.02 | - | 47.3 | - | - | - | - | - |
| 2025-11-06 07:40 pm | SSE | 15.9 | 19.0 | - | - | - | - | 30.02 | - | 47.3 | - | - | - | - | - |
| 2025-11-06 07:30 pm | SSE | 15.9 | 19.0 | - | - | - | - | 30.02 | - | 47.5 | - | - | - | - | - |
| 2025-11-06 07:20 pm | SSE | 15.0 | 17.1 | - | - | - | - | 30.03 | - | 47.7 | - | - | - | - | - |
| 2025-11-06 07:10 pm | SSE | 12.0 | 17.1 | - | - | - | - | 30.03 | - | 47.8 | - | - | - | - | - |
| 2025-11-06 07:00 pm | SSE | 12.0 | 15.9 | - | - | - | - | 30.03 | -0.07 | 48.2 | - | - | - | - | - |
| 2025-11-06 06:50 pm | S | 1.9 | 8.9 | - | - | - | - | 30.05 | - | 48.2 | - | - | - | - | - |
| 2025-11-06 06:40 pm | S | 1.9 | 7.0 | - | - | - | - | 30.05 | - | 48.2 | - | - | - | - | - |
| 2025-11-06 06:30 pm | S | 2.9 | 12.0 | - | - | - | - | 30.05 | - | 48.2 | - | - | - | - | - |
| 2025-11-06 06:20 pm | SSW | 8.9 | 14.0 | - | - | - | - | 30.05 | - | 48.2 | - | - | - | - | - |
| 2025-11-06 06:10 pm | S | 4.1 | 8.9 | - | - | - | - | 30.05 | - | 48.0 | - | - | - | - | - |
| 2025-11-06 06:00 pm | SSW | 5.1 | 15.0 | - | - | - | - | 30.06 | -0.05 | 48.0 | - | - | - | - | - |
| 2025-11-06 05:50 pm | SSW | 5.1 | 8.0 | - | - | - | - | 30.06 | - | 47.8 | - | - | - | - | - |
| 2025-11-06 05:40 pm | S | 1.9 | 13.0 | - | - | - | - | 30.07 | - | 47.8 | - | - | - | - | - |
| 2025-11-06 05:30 pm | S | 1.9 | 8.0 | - | - | - | - | 30.07 | - | 47.7 | - | - | - | - | - |
| 2025-11-06 05:20 pm | SSW | 6.0 | 13.0 | - | - | - | - | 30.07 | - | 47.7 | - | - | - | - | - |
| 2025-11-06 05:10 pm | S | 2.9 | 14.0 | - | - | - | - | 30.07 | - | 47.5 | - | - | - | - | - |
| 2025-11-06 05:00 pm | SSE | 8.0 | 15.0 | - | - | - | - | 30.08 | -0.05 | 46.8 | - | - | - | - | - |
| 2025-11-06 04:50 pm | SSE | 9.9 | 14.0 | - | - | - | - | 30.08 | - | 46.4 | - | - | - | - | - |
| 2025-11-06 04:40 pm | SSE | 7.0 | 14.0 | - | - | - | - | 30.09 | - | 46.0 | - | - | - | - | - |
| 2025-11-06 04:30 pm | SSE | 8.9 | 15.0 | - | - | - | - | 30.09 | - | 46.0 | - | - | - | - | - |
| 2025-11-06 04:20 pm | SSE | 5.1 | 12.0 | - | - | - | - | 30.09 | - | 46.9 | - | - | - | - | - |
| 2025-11-06 04:10 pm | SSE | 8.9 | 15.0 | - | - | - | - | 30.10 | - | 46.4 | - | - | - | - | - |
| 2025-11-06 04:00 pm | SSE | 9.9 | 14.0 | - | - | - | - | 30.10 | -0.06 | 46.4 | - | - | - | - | - |
| 2025-11-06 03:50 pm | SSE | 7.0 | 14.0 | - | - | - | - | 30.10 | - | 46.2 | - | - | - | - | - |
| 2025-11-06 03:40 pm | SSE | 9.9 | 17.1 | - | - | - | - | 30.10 | - | 45.9 | - | - | - | - | - |
| 2025-11-06 03:30 pm | SSE | 12.0 | 15.9 | - | - | - | - | 30.10 | - | 45.9 | - | - | - | - | - |
| 2025-11-06 03:20 pm | SSE | 7.0 | 15.0 | - | - | - | - | 30.10 | - | 45.5 | - | - | - | - | - |
| 2025-11-06 03:10 pm | SSE | 13.0 | 14.0 | - | - | - | - | 30.11 | - | 45.5 | - | - | - | - | - |
| 2025-11-06 03:00 pm | SSE | 11.1 | 13.0 | - | - | - | - | 30.11 | -0.08 | 45.3 | - | - | - | - | - |
| 2025-11-06 02:50 pm | SSE | 5.1 | 12.0 | - | - | - | - | 30.12 | - | 45.7 | - | - | - | - | - |
| 2025-11-06 02:40 pm | SSE | 4.1 | 7.0 | - | - | - | - | 30.12 | - | 45.1 | - | - | - | - | - |
| 2025-11-06 02:30 pm | SSE | 5.1 | 8.0 | - | - | - | - | 30.13 | - | 44.8 | - | - | - | - | - |
| 2025-11-06 02:20 pm | SSE | 5.1 | 11.1 | - | - | - | - | 30.13 | - | 44.6 | - | - | - | - | - |
| 2025-11-06 02:10 pm | SSE | 5.1 | 9.9 | - | - | - | - | 30.13 | - | 44.6 | - | - | - | - | - |
| 2025-11-06 02:00 pm | S | 1.9 | 8.9 | - | - | - | - | 30.13 | -0.08 | 44.4 | - | - | - | - | - |
| 2025-11-06 01:50 pm | S | 1.0 | 9.9 | - | - | - | - | 30.14 | - | 44.1 | - | - | - | - | - |
| 2025-11-06 01:40 pm | S | 1.9 | 12.0 | - | - | - | - | 30.15 | - | 44.1 | - | - | - | - | - |
| 2025-11-06 01:30 pm | S | 1.0 | 11.1 | - | - | - | - | 30.15 | - | 44.1 | - | - | - | - | - |
| 2025-11-06 01:20 pm | SSW | 11.1 | 14.0 | - | - | - | - | 30.16 | - | 44.1 | - | - | - | - | - |
| 2025-11-06 01:10 pm | SSW | 6.0 | 15.0 | - | - | - | - | 30.16 | - | 43.9 | - | - | - | - | - |
| 2025-11-06 01:00 pm | S | 2.9 | 14.0 | - | - | - | - | 30.16 | -0.05 | 43.9 | - | - | - | - | - |
| 2025-11-06 12:50 pm | SSW | 2.9 | 14.0 | - | - | - | - | 30.17 | - | 43.7 | - | - | - | - | - |
| 2025-11-06 12:40 pm | SSW | 2.9 | 13.0 | - | - | - | - | 30.17 | - | 43.7 | - | - | - | - | - |
| 2025-11-06 12:30 pm | SSW | 11.1 | 15.9 | - | - | - | - | 30.18 | - | 43.5 | - | - | - | - | - |
| 2025-11-06 12:20 pm | SSW | 12.0 | 15.0 | - | - | - | - | 30.18 | - | 43.3 | - | - | - | - | - |
| 2025-11-06 12:10 pm | SSW | 13.0 | 15.9 | - | - | - | - | 30.19 | - | 43.3 | - | - | - | - | - |
| 2025-11-06 12:00 pm | SW | 14.0 | 15.0 | - | - | - | - | 30.19 | -0.02 | 43.2 | - | - | - | - | - |
| 2025-11-06 11:50 am | SSW | 11.1 | 14.0 | - | - | - | - | 30.19 | - | 43.0 | - | - | - | - | - |
| 2025-11-06 11:40 am | SW | 11.1 | 12.0 | - | - | - | - | 30.19 | - | 42.8 | - | - | - | - | - |
| 2025-11-06 11:30 am | SSW | 11.1 | 12.0 | - | - | - | - | 30.20 | - | 42.8 | - | - | - | - | - |
| 2025-11-06 11:20 am | SW | 8.9 | 11.1 | - | - | - | - | 30.20 | - | 42.6 | - | - | - | - | - |
| 2025-11-06 11:10 am | SW | 8.0 | 8.9 | - | - | - | - | 30.20 | - | 42.8 | - | - | - | - | - |
| 2025-11-06 11:00 am | SW | 7.0 | 8.9 | - | - | - | - | 30.21 | +0.01 | 42.6 | - | - | - | - | - |
| 2025-11-06 10:50 am | WSW | 7.0 | 9.9 | - | - | - | - | 30.21 | - | 42.4 | - | - | - | - | - |
| 2025-11-06 10:40 am | WSW | 8.9 | 11.1 | - | - | - | - | 30.21 | - | 42.3 | - | - | - | - | - |
| 2025-11-06 10:30 am | WSW | 9.9 | 12.0 | - | - | - | - | 30.21 | - | 42.1 | - | - | - | - | - |
| 2025-11-06 10:20 am | WSW | 9.9 | 13.0 | - | - | - | - | 30.21 | - | 41.9 | - | - | - | - | - |
| 2025-11-06 10:10 am | WSW | 11.1 | 13.0 | - | - | - | - | 30.21 | - | 41.7 | - | - | - | - | - |
| 2025-11-06 10:00 am | WSW | 11.1 | 13.0 | - | - | - | - | 30.21 | +0.03 | 41.2 | - | - | - | - | - |
| 2025-11-06 09:50 am | W | 11.1 | 13.0 | - | - | - | - | 30.21 | - | 40.8 | - | - | - | - | - |
| 2025-11-06 09:40 am | W | 11.1 | 12.0 | - | - | - | - | 30.21 | - | 40.6 | - | - | - | - | - |
| 2025-11-06 09:30 am | W | 11.1 | 13.0 | - | - | - | - | 30.21 | - | 40.5 | - | - | - | - | - |
| 2025-11-06 09:20 am | W | 13.0 | 15.0 | - | - | - | - | 30.21 | - | 40.3 | - | - | - | - | - |
| 2025-11-06 09:10 am | WSW | 13.0 | 15.0 | - | - | - | - | 30.21 | - | 40.3 | - | - | - | - | - |
| 2025-11-06 09:00 am | W | 11.1 | 13.0 | - | - | - | - | 30.21 | +0.04 | 40.1 | - | - | - | - | - |
| 2025-11-06 08:50 am | W | 13.0 | 13.0 | - | - | - | - | 30.20 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 08:40 am | W | 11.1 | 13.0 | - | - | - | - | 30.20 | - | 39.7 | - | - | - | - | - |
| 2025-11-06 08:30 am | W | 12.0 | 13.0 | - | - | - | - | 30.20 | - | 39.6 | - | - | - | - | - |
| 2025-11-06 08:20 am | W | 11.1 | 14.0 | - | - | - | - | 30.20 | - | 39.7 | - | - | - | - | - |
| 2025-11-06 08:10 am | W | 13.0 | 15.9 | - | - | - | - | 30.20 | - | 39.2 | - | - | - | - | - |
| 2025-11-06 08:00 am | W | 15.0 | 17.1 | - | - | - | - | 30.20 | +0.06 | 39.4 | - | - | - | - | - |
| 2025-11-06 07:50 am | W | 15.9 | 18.1 | - | - | - | - | 30.19 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 07:40 am | W | 17.1 | 18.1 | - | - | - | - | 30.19 | - | 39.2 | - | - | - | - | - |
| 2025-11-06 07:30 am | W | 15.0 | 18.1 | - | - | - | - | 30.19 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 07:20 am | W | 15.9 | 17.1 | - | - | - | - | 30.19 | - | 39.2 | - | - | - | - | - |
| 2025-11-06 07:10 am | W | 15.9 | 18.1 | - | - | - | - | 30.18 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 07:00 am | W | 15.9 | 18.1 | - | - | - | - | 30.18 | +0.05 | 39.4 | - | - | - | - | - |
| 2025-11-06 06:50 am | W | 15.9 | 19.0 | - | - | - | - | 30.17 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 06:40 am | W | 15.9 | 19.0 | - | - | - | - | 30.17 | - | 38.8 | - | - | - | - | - |
| 2025-11-06 06:30 am | W | 15.9 | 20.0 | - | - | - | - | 30.17 | - | 39.2 | - | - | - | - | - |
| 2025-11-06 06:20 am | W | 15.9 | 19.0 | - | - | - | - | 30.17 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 06:10 am | W | 15.9 | 19.0 | - | - | - | - | 30.17 | - | 39.0 | - | - | - | - | - |
| 2025-11-06 06:00 am | W | 15.9 | 19.0 | - | - | - | - | 30.17 | +0.04 | 39.0 | - | - | - | - | - |
| 2025-11-06 05:50 am | W | 15.0 | 17.1 | - | - | - | - | 30.16 | - | 39.2 | - | - | - | - | - |
| 2025-11-06 05:40 am | W | 17.1 | 19.0 | - | - | - | - | 30.15 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 05:30 am | W | 17.1 | 20.0 | - | - | - | - | 30.15 | - | 40.1 | - | - | - | - | - |
| 2025-11-06 05:20 am | W | 17.1 | 20.0 | - | - | - | - | 30.15 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 05:10 am | W | 15.9 | 18.1 | - | - | - | - | 30.14 | - | 39.7 | - | - | - | - | - |
| 2025-11-06 05:00 am | W | 14.0 | 18.1 | - | - | - | - | 30.14 | +0.03 | 39.6 | - | - | - | - | - |
| 2025-11-06 04:50 am | W | 15.9 | 20.0 | - | - | - | - | 30.14 | - | 39.4 | - | - | - | - | - |
| 2025-11-06 04:40 am | W | 15.9 | 19.0 | - | - | - | - | 30.14 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 04:30 am | W | 15.0 | 18.1 | - | - | - | - | 30.14 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 04:20 am | W | 15.0 | 18.1 | - | - | - | - | 30.14 | - | 39.7 | - | - | - | - | - |
| 2025-11-06 04:10 am | W | 15.9 | 20.0 | - | - | - | - | 30.14 | - | 39.9 | - | - | - | - | - |
| 2025-11-06 04:00 am | W | 15.9 | 19.0 | - | - | - | - | 30.13 | +0.02 | 40.3 | - | - | - | - | - |
| 2025-11-06 03:50 am | W | 15.9 | 19.0 | - | - | - | - | 30.13 | - | 40.3 | - | - | - | - | - |