CatchWindow · Time on the water

Grassy Lake Boat Launch conditions

Weather, wind and available nearby ocean forecasts for Grassy Lake Boat Launch. Model forecasts are separate from station observations.

Coordinates: 46.215534, -86.577836

Forecast sources and coverage

Times use America/Detroit. Weather: available; marine forecast: unavailable. Regional model values are separate from station observations.

Forecast for Munising Bayshore Marina, 22.7 km from Grassy Lake Boat Launch. Local conditions can differ.

Weather fetched 2026-11-13T00:11:15.871Z.

Complete hourly weather forecast

Weather model in America/Detroit
Time	Air °C	Wind km/h	Gust	Wind from °	Precipitation mm	Precipitation %	Pressure hPa
Nov 12, 12:00 a.m. EST	3.5	26.4	47.5 km/h	17.0	0.0	7.0	1013.3
Nov 12, 01:00 a.m. EST	3.3	27.1	48.2 km/h	17.0	0.0	8.0	1013.5
Nov 12, 02:00 a.m. EST	3.1	26.5	46.8 km/h	22.0	0.0	10.0	1013.7
Nov 12, 03:00 a.m. EST	2.5	28.1	49.0 km/h	16.0	0.0	15.0	1014.5
Nov 12, 04:00 a.m. EST	2.5	29.7	49.7 km/h	21.0	0.0	10.0	1015.1
Nov 12, 05:00 a.m. EST	2.4	31.9	49.3 km/h	14.0	0.0	7.0	1014.9
Nov 12, 06:00 a.m. EST	2.2	25.7	44.6 km/h	18.0	0.0	4.0	1015.0
Nov 12, 07:00 a.m. EST	2.3	26.9	46.1 km/h	15.0	0.0	4.0	1015.5
Nov 12, 08:00 a.m. EST	2.1	26.5	47.2 km/h	15.0	0.0	6.0	1015.9
Nov 12, 09:00 a.m. EST	2.0	27.5	47.2 km/h	13.0	0.0	7.0	1016.1
Nov 12, 10:00 a.m. EST	2.1	26.7	43.9 km/h	12.0	0.0	8.0	1016.7
Nov 12, 11:00 a.m. EST	2.9	26.5	40.3 km/h	15.0	0.0	7.0	1017.9
Nov 12, 12:00 p.m. EST	3.1	25.3	39.2 km/h	18.0	0.0	10.0	1017.2
Nov 12, 01:00 p.m. EST	3.5	25.6	37.4 km/h	11.0	0.0	4.0	1016.9
Nov 12, 02:00 p.m. EST	2.9	30.6	34.6 km/h	11.7	0.2	3.0	1016.9
Nov 12, 03:00 p.m. EST	2.7	31.7	37.8 km/h	8.7	0.2	5.0	1017.0
Nov 12, 04:00 p.m. EST	2.6	34.2	No gust	5.4	0.3	17.0	1017.5
Nov 12, 05:00 p.m. EST	2.3	34.2	34.9 km/h	3.4	0.4	20.0	1017.9
Nov 12, 06:00 p.m. EST	2.2	34.9	40.3 km/h	2.8	0.3	21.0	1018.2
Nov 12, 07:00 p.m. EST	2.3	34.9	47.9 km/h	4.7	0.2	26.0	1018.2
Nov 12, 08:00 p.m. EST	2.3	34.2	49.0 km/h	10.6	0.2	31.0	1018.1
Nov 12, 09:00 p.m. EST	2.1	33.5	46.1 km/h	14.0	0.2	37.0	1018.0
Nov 12, 10:00 p.m. EST	2.0	32.0	42.5 km/h	15.5	0.2	24.0	1018.3
Nov 12, 11:00 p.m. EST	1.9	31.0	42.5 km/h	17.5	0.2	16.0	1018.2
Nov 13, 12:00 a.m. EST	2.0	30.2	38.2 km/h	15.7	0.2	18.0	1018.0
Nov 13, 01:00 a.m. EST	1.9	30.2	37.4 km/h	13.2	0.2	19.0	1018.1
Nov 13, 02:00 a.m. EST	1.7	30.2	36.7 km/h	11.6	0.1	20.0	1018.2
Nov 13, 03:00 a.m. EST	1.7	29.5	39.2 km/h	12.2	0.1	20.0	1018.3
Nov 13, 04:00 a.m. EST	1.7	29.9	36.4 km/h	12.3	0.1	23.0	1018.2
Nov 13, 05:00 a.m. EST	1.8	31.0	39.2 km/h	10.5	0.1	25.0	1018.1
Nov 13, 06:00 a.m. EST	1.9	31.3	40.7 km/h	11.6	0.2	22.0	1018.4
Nov 13, 07:00 a.m. EST	1.8	31.0	40.3 km/h	13.6	0.2	23.0	1018.6
Nov 13, 08:00 a.m. EST	1.4	29.2	41.4 km/h	19.9	0.3	18.0	1019.1
Nov 13, 09:00 a.m. EST	1.7	30.2	41.0 km/h	22.1	0.2	15.0	1019.4
Nov 13, 10:00 a.m. EST	2.3	31.0	40.7 km/h	23.1	0.2	12.0	1019.5
Nov 13, 11:00 a.m. EST	2.4	31.7	39.6 km/h	24.6	0.0	6.0	1019.9
Nov 13, 12:00 p.m. EST	2.6	29.9	39.6 km/h	25.1	0.0	7.0	1020.2
Nov 13, 01:00 p.m. EST	2.7	28.1	39.6 km/h	24.1	0.0	7.0	1020.0
Nov 13, 02:00 p.m. EST	2.6	27.0	40.7 km/h	18.8	0.2	7.0	1019.9
Nov 13, 03:00 p.m. EST	2.4	27.4	43.2 km/h	16.7	0.3	10.0	1020.0
Nov 13, 04:00 p.m. EST	2.2	29.5	45.4 km/h	15.9	0.1	11.0	1020.3
Nov 13, 05:00 p.m. EST	2.7	30.6	45.0 km/h	11.3	0.0	9.0	1020.4
Nov 13, 06:00 p.m. EST	2.7	29.9	46.1 km/h	7.2	0.0	8.0	1020.8
Nov 13, 07:00 p.m. EST	2.8	29.2	49.3 km/h	7.1	0.0	13.0	1020.9
Nov 13, 08:00 p.m. EST	2.8	30.6	51.5 km/h	7.2	0.0	15.0	1020.9
Nov 13, 09:00 p.m. EST	2.7	31.3	52.6 km/h	7.2	0.0	25.0	1021.0
Nov 13, 10:00 p.m. EST	2.9	30.6	50.8 km/h	3.8	0.0	21.0	1020.9
Nov 13, 11:00 p.m. EST	3.1	31.3	48.2 km/h	3.6	0.0	15.0	1020.9
Nov 14, 12:00 a.m. EST	3.1	31.0	43.6 km/h	1.4	0.0	24.0	1021.1
Nov 14, 01:00 a.m. EST	3.2	29.2	41.0 km/h	359.6	0.0	10.0	1021.2
Nov 14, 02:00 a.m. EST	3.2	28.1	40.0 km/h	358.5	0.0	8.0	1021.3
Nov 14, 03:00 a.m. EST	3.2	28.8	38.9 km/h	357.5	0.0	10.0	1021.5
Nov 14, 04:00 a.m. EST	3.0	29.2	38.9 km/h	354.5	0.0	9.0	1021.7
Nov 14, 05:00 a.m. EST	3.0	29.5	38.2 km/h	345.4	0.0	6.0	1022.1
Nov 14, 06:00 a.m. EST	3.0	30.2	35.6 km/h	342.5	0.0	6.0	1022.6
Nov 14, 07:00 a.m. EST	3.0	29.2	34.2 km/h	342.8	0.0	5.0	1023.0
Nov 14, 08:00 a.m. EST	2.9	29.2	35.6 km/h	342.0	0.0	10.0	1023.3
Nov 14, 09:00 a.m. EST	2.9	28.1	36.0 km/h	340.1	0.0	10.0	1023.8
Nov 14, 10:00 a.m. EST	2.9	27.7	33.5 km/h	338.6	0.0	10.0	1024.1
Nov 14, 11:00 a.m. EST	2.9	26.3	29.5 km/h	335.7	0.0	10.0	1024.6
Nov 14, 12:00 p.m. EST	3.2	25.9	No gust	335.3	0.0	10.0	1024.6
Nov 14, 01:00 p.m. EST	3.2	25.6	No gust	335.3	0.0	10.0	1024.3
Nov 14, 02:00 p.m. EST	3.0	26.3	No gust	335.3	0.1	10.0	1024.1
Nov 14, 03:00 p.m. EST	3.0	26.6	No gust	335.4	0.0	10.0	1024.2
Nov 14, 04:00 p.m. EST	3.0	26.3	No gust	334.2	0.0	10.0	1024.4
Nov 14, 05:00 p.m. EST	3.0	25.9	No gust	332.0	0.0	10.0	1024.7
Nov 14, 06:00 p.m. EST	3.1	24.5	No gust	330.2	0.0	10.0	1024.8
Nov 14, 07:00 p.m. EST	3.4	24.8	No gust	332.6	0.0	10.0	1024.8
Nov 14, 08:00 p.m. EST	3.5	24.5	No gust	341.1	0.0	9.0	1025.3
Nov 14, 09:00 p.m. EST	3.5	23.0	No gust	346.2	0.0	9.0	1025.5
Nov 14, 10:00 p.m. EST	3.4	21.6	No gust	348.1	0.0	9.0	1025.6
Nov 14, 11:00 p.m. EST	3.4	19.4	No gust	345.7	0.0	9.0	1025.9

Daily precipitation totals

Full local-day forecasts from Open-Meteo, including rain and snow water equivalent. Missing totals remain unavailable.

Daily precipitation in America/Detroit
Date	Precipitation mm
2026-11-12	0.0
2026-11-13	3.4
2026-11-14	0.9