Station GTLM4 - Grand Traverse 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 |
| 2025-12-27 04:30 am | SSE | 2.9 | 7.0 | - | - | - | - | 30.03 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 04:20 am | SSE | 1.9 | 6.0 | - | - | - | - | 30.03 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 04:10 am | SSE | 2.9 | 8.0 | - | - | - | - | 30.03 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 04:00 am | SSE | 1.9 | 8.0 | - | - | - | - | 30.03 | +0.07 | 32.4 | - | - | - | - | - |
| 2025-12-27 03:50 am | S | 2.9 | 7.0 | - | - | - | - | 30.02 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 03:40 am | SSE | 4.1 | 8.0 | - | - | - | - | 30.02 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 03:30 am | SSE | 4.1 | 7.0 | - | - | - | - | 30.02 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 03:20 am | SSE | 2.9 | 8.0 | - | - | - | - | 30.01 | - | 32.5 | - | - | - | - | - |
| 2025-12-27 03:10 am | SSE | 4.1 | 8.9 | - | - | - | - | 30.02 | - | 32.5 | - | - | - | - | - |
| 2025-12-27 03:00 am | SSE | 4.1 | 8.0 | - | - | - | - | 30.01 | +0.06 | 32.5 | - | - | - | - | - |
| 2025-12-27 02:50 am | S | 4.1 | 7.0 | - | - | - | - | 30.02 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 02:40 am | SSE | 4.1 | 8.0 | - | - | - | - | 30.02 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 02:30 am | SSE | 2.9 | 6.0 | - | - | - | - | 30.01 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 02:20 am | S | 2.9 | 6.0 | - | - | - | - | 30.01 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 02:10 am | S | 1.9 | 6.0 | - | - | - | - | 30.00 | - | 32.5 | - | - | - | - | - |
| 2025-12-27 02:00 am | S | 2.9 | 5.1 | - | - | - | - | 29.99 | +0.04 | 32.4 | - | - | - | - | - |
| 2025-12-27 01:50 am | SSE | 2.9 | 8.0 | - | - | - | - | 29.99 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 01:40 am | S | 2.9 | 6.0 | - | - | - | - | 29.98 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 01:30 am | S | 4.1 | 7.0 | - | - | - | - | 29.98 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 01:20 am | SSE | 2.9 | 8.9 | - | - | - | - | 29.97 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 01:10 am | SSE | 4.1 | 8.0 | - | - | - | - | 29.96 | - | 32.4 | - | - | - | - | - |
| 2025-12-27 01:00 am | SSE | 2.9 | 8.0 | - | - | - | - | 29.96 | +0.04 | 32.2 | - | - | - | - | - |
| 2025-12-27 12:50 am | SE | 5.1 | 8.9 | - | - | - | - | 29.96 | - | 32.2 | - | - | - | - | - |
| 2025-12-27 12:40 am | SSE | 4.1 | 7.0 | - | - | - | - | 29.95 | - | 32.2 | - | - | - | - | - |
| 2025-12-27 12:30 am | SE | 4.1 | 6.0 | - | - | - | - | 29.95 | - | 32.0 | - | - | - | - | - |
| 2025-12-27 12:20 am | SE | 4.1 | 7.0 | - | - | - | - | 29.94 | - | 32.2 | - | - | - | - | - |
| 2025-12-27 12:10 am | ESE | 2.9 | 6.0 | - | - | - | - | 29.95 | - | 32.2 | - | - | - | - | - |
| 2025-12-27 12:00 am | SE | 2.9 | 6.0 | - | - | - | - | 29.95 | +0.04 | 32.2 | - | - | - | - | - |
| 2025-12-26 11:50 pm | SE | 4.1 | 6.0 | - | - | - | - | 29.95 | - | 32.2 | - | - | - | - | - |
| 2025-12-26 11:40 pm | ESE | 2.9 | 5.1 | - | - | - | - | 29.95 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 11:30 pm | SE | 2.9 | 5.1 | - | - | - | - | 29.95 | - | 32.5 | - | - | - | - | - |
| 2025-12-26 11:20 pm | ESE | 2.9 | 6.0 | - | - | - | - | 29.95 | - | 32.7 | - | - | - | - | - |
| 2025-12-26 11:10 pm | E | 1.9 | 4.1 | - | - | - | - | 29.95 | - | 32.7 | - | - | - | - | - |
| 2025-12-26 11:00 pm | ESE | 2.9 | 4.1 | - | - | - | - | 29.95 | +0.06 | 32.7 | - | - | - | - | - |
| 2025-12-26 10:50 pm | E | 2.9 | 4.1 | - | - | - | - | 29.94 | - | 32.7 | - | - | - | - | - |
| 2025-12-26 10:40 pm | E | 2.9 | 5.1 | - | - | - | - | 29.94 | - | 32.7 | - | - | - | - | - |
| 2025-12-26 10:30 pm | E | 2.9 | 7.0 | - | - | - | - | 29.93 | - | 32.9 | - | - | - | - | - |
| 2025-12-26 10:20 pm | ENE | 6.0 | 8.0 | - | - | - | - | 29.93 | - | 32.9 | - | - | - | - | - |
| 2025-12-26 10:10 pm | ENE | 4.1 | 7.0 | - | - | - | - | 29.92 | - | 32.9 | - | - | - | - | - |
| 2025-12-26 10:00 pm | ENE | 7.0 | 8.9 | - | - | - | - | 29.92 | +0.07 | 32.9 | - | - | - | - | - |
| 2025-12-26 09:50 pm | ENE | 2.9 | 7.0 | - | - | - | - | 29.92 | - | 32.5 | - | - | - | - | - |
| 2025-12-26 09:40 pm | NE | 8.0 | 11.1 | - | - | - | - | 29.92 | - | 33.1 | - | - | - | - | - |
| 2025-12-26 09:30 pm | N | 8.0 | 8.9 | - | - | - | - | 29.92 | - | 33.3 | - | - | - | - | - |
| 2025-12-26 09:20 pm | N | 7.0 | 11.1 | - | - | - | - | 29.92 | - | 33.3 | - | - | - | - | - |
| 2025-12-26 09:10 pm | NNE | 8.9 | 9.9 | - | - | - | - | 29.92 | - | 33.3 | - | - | - | - | - |
| 2025-12-26 09:00 pm | NNE | 8.9 | 11.1 | - | - | - | - | 29.91 | +0.08 | 33.4 | - | - | - | - | - |
| 2025-12-26 08:50 pm | NNE | 7.0 | 9.9 | - | - | - | - | 29.90 | - | 33.4 | - | - | - | - | - |
| 2025-12-26 08:40 pm | N | 7.0 | 12.0 | - | - | - | - | 29.90 | - | 33.4 | - | - | - | - | - |
| 2025-12-26 08:30 pm | N | 7.0 | 15.0 | - | - | - | - | 29.90 | - | 33.6 | - | - | - | - | - |
| 2025-12-26 08:20 pm | N | 11.1 | 15.0 | - | - | - | - | 29.89 | - | 33.8 | - | - | - | - | - |
| 2025-12-26 08:10 pm | N | 9.9 | 14.0 | - | - | - | - | 29.89 | - | 33.8 | - | - | - | - | - |
| 2025-12-26 08:00 pm | NNE | 11.1 | 15.0 | - | - | - | - | 29.89 | +0.10 | 34.0 | - | - | - | - | - |
| 2025-12-26 07:50 pm | NNW | 8.9 | 13.0 | - | - | - | - | 29.89 | - | 34.2 | - | - | - | - | - |
| 2025-12-26 07:40 pm | N | 11.1 | 15.0 | - | - | - | - | 29.88 | - | 34.2 | - | - | - | - | - |
| 2025-12-26 07:30 pm | NNE | 11.1 | 15.0 | - | - | - | - | 29.87 | - | 34.2 | - | - | - | - | - |
| 2025-12-26 07:20 pm | N | 9.9 | 17.1 | - | - | - | - | 29.87 | - | 34.0 | - | - | - | - | - |
| 2025-12-26 07:10 pm | NNE | 9.9 | 17.1 | - | - | - | - | 29.85 | - | 34.0 | - | - | - | - | - |
| 2025-12-26 07:00 pm | NNE | 9.9 | 14.0 | - | - | - | - | 29.85 | +0.09 | 34.0 | - | - | - | - | - |
| 2025-12-26 06:50 pm | N | 9.9 | 15.0 | - | - | - | - | 29.84 | - | 34.2 | - | - | - | - | - |
| 2025-12-26 06:40 pm | NNE | 13.0 | 17.1 | - | - | - | - | 29.84 | - | 34.3 | - | - | - | - | - |
| 2025-12-26 06:30 pm | N | 13.0 | 17.1 | - | - | - | - | 29.84 | - | 34.5 | - | - | - | - | - |
| 2025-12-26 06:20 pm | N | 14.0 | 15.9 | - | - | - | - | 29.84 | - | 34.7 | - | - | - | - | - |
| 2025-12-26 06:10 pm | NNE | 9.9 | 13.0 | - | - | - | - | 29.84 | - | 34.9 | - | - | - | - | - |
| 2025-12-26 06:00 pm | N | 11.1 | 14.0 | - | - | - | - | 29.83 | +0.10 | 34.9 | - | - | - | - | - |
| 2025-12-26 05:50 pm | N | 11.1 | 13.0 | - | - | - | - | 29.84 | - | 35.1 | - | - | - | - | - |
| 2025-12-26 05:40 pm | N | 9.9 | 14.0 | - | - | - | - | 29.83 | - | 35.1 | - | - | - | - | - |
| 2025-12-26 05:30 pm | NNW | 11.1 | 13.0 | - | - | - | - | 29.82 | - | 34.9 | - | - | - | - | - |
| 2025-12-26 05:20 pm | NNW | 8.9 | 11.1 | - | - | - | - | 29.81 | - | 34.7 | - | - | - | - | - |
| 2025-12-26 05:10 pm | NNW | 8.9 | 11.1 | - | - | - | - | 29.81 | - | 34.5 | - | - | - | - | - |
| 2025-12-26 05:00 pm | NNW | 9.9 | 12.0 | - | - | - | - | 29.79 | +0.07 | 34.5 | - | - | - | - | - |
| 2025-12-26 04:50 pm | NNW | 8.9 | 11.1 | - | - | - | - | 29.79 | - | 34.3 | - | - | - | - | - |
| 2025-12-26 04:40 pm | NW | 8.0 | 13.0 | - | - | - | - | 29.79 | - | 34.2 | - | - | - | - | - |
| 2025-12-26 04:30 pm | NNW | 8.9 | 11.1 | - | - | - | - | 29.78 | - | 34.0 | - | - | - | - | - |
| 2025-12-26 04:20 pm | NW | 8.0 | 11.1 | - | - | - | - | 29.77 | - | 34.0 | - | - | - | - | - |
| 2025-12-26 04:10 pm | NW | 8.9 | 9.9 | - | - | - | - | 29.76 | - | 33.8 | - | - | - | - | - |
| 2025-12-26 04:00 pm | NW | 8.9 | 9.9 | - | - | - | - | 29.76 | +0.05 | 33.6 | - | - | - | - | - |
| 2025-12-26 03:50 pm | NW | 6.0 | 8.9 | - | - | - | - | 29.75 | - | 33.4 | - | - | - | - | - |
| 2025-12-26 03:40 pm | WNW | 7.0 | 8.0 | - | - | - | - | 29.75 | - | 33.4 | - | - | - | - | - |
| 2025-12-26 03:30 pm | WNW | 7.0 | 8.0 | - | - | - | - | 29.75 | - | 33.3 | - | - | - | - | - |
| 2025-12-26 03:20 pm | W | 7.0 | 8.9 | - | - | - | - | 29.74 | - | 33.1 | - | - | - | - | - |
| 2025-12-26 03:10 pm | W | 6.0 | 7.0 | - | - | - | - | 29.73 | - | 32.7 | - | - | - | - | - |
| 2025-12-26 03:00 pm | WSW | 5.1 | 7.0 | - | - | - | - | 29.73 | +0.00 | 32.5 | - | - | - | - | - |
| 2025-12-26 02:50 pm | WSW | 4.1 | 6.0 | - | - | - | - | 29.73 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 02:40 pm | SW | 1.9 | 4.1 | - | - | - | - | 29.72 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 02:30 pm | SW | 1.9 | 2.9 | - | - | - | - | 29.72 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 02:20 pm | SW | 1.9 | 2.9 | - | - | - | - | 29.72 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 02:10 pm | - | 0.0 | 2.9 | - | - | - | - | 29.71 | - | 32.4 | - | - | - | - | - |
| 2025-12-26 02:00 pm | S | 1.9 | 2.9 | - | - | - | - | 29.72 | -0.04 | 32.2 | - | - | - | - | - |
| 2025-12-26 01:50 pm | SW | 1.0 | 1.9 | - | - | - | - | 29.72 | - | 32.0 | - | - | - | - | - |
| 2025-12-26 01:40 pm | - | 0.0 | 4.1 | - | - | - | - | 29.71 | - | 32.0 | - | - | - | - | - |
| 2025-12-26 01:30 pm | SSW | 1.9 | 5.1 | - | - | - | - | 29.71 | - | 32.0 | - | - | - | - | - |
| 2025-12-26 01:20 pm | SSE | 1.9 | 5.1 | - | - | - | - | 29.71 | - | 32.2 | - | - | - | - | - |
| 2025-12-26 01:10 pm | SSE | 1.0 | 6.0 | - | - | - | - | 29.71 | - | 32.0 | - | - | - | - | - |
| 2025-12-26 01:00 pm | SSE | 2.9 | 6.0 | - | - | - | - | 29.71 | -0.09 | 31.6 | - | - | - | - | - |
| 2025-12-26 12:50 pm | SSE | 1.9 | 6.0 | - | - | - | - | 29.72 | - | 31.6 | - | - | - | - | - |
| 2025-12-26 12:40 pm | SSE | 2.9 | 6.0 | - | - | - | - | 29.72 | - | 31.5 | - | - | - | - | - |
| 2025-12-26 12:30 pm | SSE | 4.1 | 5.1 | - | - | - | - | 29.72 | - | 31.3 | - | - | - | - | - |
| 2025-12-26 12:20 pm | SSE | 1.9 | 6.0 | - | - | - | - | 29.72 | - | 31.1 | - | - | - | - | - |
| 2025-12-26 12:10 pm | SE | 2.9 | 6.0 | - | - | - | - | 29.72 | - | 30.9 | - | - | - | - | - |
| 2025-12-26 12:00 pm | SSE | 2.9 | 5.1 | - | - | - | - | 29.73 | -0.07 | 30.7 | - | - | - | - | - |
| 2025-12-26 11:50 am | SSE | 1.0 | 6.0 | - | - | - | - | 29.74 | - | 30.7 | - | - | - | - | - |
| 2025-12-26 11:40 am | SSE | 1.0 | 6.0 | - | - | - | - | 29.74 | - | 30.7 | - | - | - | - | - |
| 2025-12-26 11:30 am | SE | 4.1 | 6.0 | - | - | - | - | 29.75 | - | 30.6 | - | - | - | - | - |
| 2025-12-26 11:20 am | SSE | 2.9 | 7.0 | - | - | - | - | 29.75 | - | 30.4 | - | - | - | - | - |
| 2025-12-26 11:10 am | ESE | 2.9 | 8.9 | - | - | - | - | 29.76 | - | 30.2 | - | - | - | - | - |
| 2025-12-26 11:00 am | ESE | 4.1 | 8.0 | - | - | - | - | 29.76 | -0.03 | 30.2 | - | - | - | - | - |
| 2025-12-26 10:50 am | ESE | 4.1 | 8.9 | - | - | - | - | 29.77 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 10:40 am | ESE | 1.9 | 6.0 | - | - | - | - | 29.77 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 10:30 am | ESE | 4.1 | 7.0 | - | - | - | - | 29.77 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 10:20 am | ESE | 4.1 | 7.0 | - | - | - | - | 29.78 | - | 30.2 | - | - | - | - | - |
| 2025-12-26 10:10 am | ESE | 1.9 | 6.0 | - | - | - | - | 29.79 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 10:00 am | SE | 1.9 | 4.1 | - | - | - | - | 29.80 | +0.03 | 29.8 | - | - | - | - | - |
| 2025-12-26 09:50 am | SSE | 1.9 | 6.0 | - | - | - | - | 29.80 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 09:40 am | SSE | 2.9 | 6.0 | - | - | - | - | 29.80 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 09:30 am | E | 1.9 | 4.1 | - | - | - | - | 29.80 | - | 29.5 | - | - | - | - | - |
| 2025-12-26 09:20 am | SE | 1.9 | 2.9 | - | - | - | - | 29.80 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 09:10 am | - | 0.0 | 4.1 | - | - | - | - | 29.81 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 09:00 am | S | 2.9 | 7.0 | - | - | - | - | 29.80 | -0.01 | 29.8 | - | - | - | - | - |
| 2025-12-26 08:50 am | S | 2.9 | 6.0 | - | - | - | - | 29.80 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 08:40 am | SSW | 2.9 | 8.9 | - | - | - | - | 29.80 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 08:30 am | S | 4.1 | 9.9 | - | - | - | - | 29.79 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 08:20 am | S | 6.0 | 13.0 | - | - | - | - | 29.79 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 08:10 am | - | 0.0 | 5.1 | - | - | - | - | 29.79 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 08:00 am | S | 1.9 | 15.9 | - | - | - | - | 29.79 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 07:50 am | SSE | 4.1 | 13.0 | - | - | - | - | 29.77 | - | 29.3 | - | - | - | - | - |
| 2025-12-26 07:40 am | SE | 8.0 | 15.0 | - | - | - | - | 29.76 | - | 29.1 | - | - | - | - | - |
| 2025-12-26 07:30 am | SSE | 6.0 | 14.0 | - | - | - | - | 29.77 | - | 29.1 | - | - | - | - | - |
| 2025-12-26 07:20 am | SE | 6.0 | 15.0 | - | - | - | - | 29.77 | - | 28.9 | - | - | - | - | - |
| 2025-12-26 07:10 am | SSE | 6.0 | 14.0 | - | - | - | - | 29.78 | - | 29.1 | - | - | - | - | - |
| 2025-12-26 07:00 am | SSE | 6.0 | 15.9 | - | - | - | - | 29.77 | -0.16 | 29.5 | - | - | - | - | - |
| 2025-12-26 06:50 am | SE | 7.0 | 13.0 | - | - | - | - | 29.78 | - | 29.8 | - | - | - | - | - |
| 2025-12-26 06:40 am | SE | 5.1 | 13.0 | - | - | - | - | 29.79 | - | 30.2 | - | - | - | - | - |
| 2025-12-26 06:30 am | S | 5.1 | 13.0 | - | - | - | - | 29.81 | - | 30.2 | - | - | - | - | - |
| 2025-12-26 06:20 am | SE | 6.0 | - | - | - | - | - | 29.80 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 06:10 am | ESE | 4.1 | 15.0 | - | - | - | - | 29.81 | - | 30.0 | - | - | - | - | - |
| 2025-12-26 06:00 am | SSE | 8.0 | 21.0 | - | - | - | - | 29.81 | -0.17 | 29.8 | - | - | - | - | - |
| 2025-12-26 05:50 am | SE | 7.0 | 25.1 | - | - | - | - | 29.80 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 05:46 am | SE | 11.1 | 25.1 | - | - | - | - | 29.80 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 05:40 am | SE | 8.9 | 19.0 | - | - | - | - | 29.81 | - | 29.7 | - | - | - | - | - |
| 2025-12-26 05:30 am | SE | 8.9 | 20.0 | - | - | - | - | 29.80 | - | 29.3 | - | - | - | - | - |
| 2025-12-26 05:20 am | SE | 8.9 | 24.1 | - | - | - | - | 29.81 | - | 29.3 | - | - | - | - | - |
| 2025-12-26 05:10 am | SE | 11.1 | 22.9 | - | - | - | - | 29.82 | - | 29.1 | - | - | - | - | - |
| 2025-12-26 05:00 am | SE | 11.1 | 22.0 | - | - | - | - | 29.85 | -0.14 | 28.8 | - | - | - | - | - |
| 2025-12-26 04:50 am | SE | 8.0 | 20.0 | - | - | - | - | 29.87 | - | 28.6 | - | - | - | - | - |