Marine Weather and Tide Forecast for Glen Arbor, MI
 | Sunrise 5:59 AM Sunset 7:39 PM Moonrise 6:41 AM Moonset 11:09 PM |
Marine Forecasts
NOTE: Zones updated 4/16/2026. Some zones changed. Use Edit if needed.
LMZ364 Expires:202604192115;;638871 Fzus63 Kmkx 191415 Glflm
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 915 am cdt Sun apr 19 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.
Synopsis -
high pressure around 30.4 inches tracking southeastward across saskatchewan and manitoba will push a cold front across the lake by midday, with southwest winds ahead of the front and northwest winds arriving behind it. Gusty winds are expected behind the cold front into this afternoon, particularly over far northern and southern portions of the lake. Winds subside and veer north later this afternoon into tonight, as the high approaches. It crosses the lake later tonight into Monday morning, leading to light and variable winds.
low pressure around 29.1 inches tracks along the southern edge of hudson bay Monday afternoon into Tuesday, working with the departing high to bring breezy south winds over lake michigan. A few gales cannot be ruled out Monday evening into early Tuesday morning, particularly over the northern third of the lake.
a passing trough of low pressure leads to a period of variable winds later Tuesday. Weak high pressure over ontario then forces a weak backdoor cold front across the lake Tuesday night, with light north to northeast winds continuing into Wednesday morning.
winds should become southeast to south and increase later in the week, as strong low pressure around 29.2 inches develops in the northern plains.
lmz261-362-364-366-563-565-567-868-192115- lake michigan from seul choix point to rock island passage 5 nm offshore to mid lake- lake michigan south of a line from seul choix point to the mackinac bridge and north of a line from charlevoix mi to south fox island 5 nm offshore- lake michigan from charlevoix to point betsie mi 5 nm offshore to mid lake- lake michigan from point betsie to manistee mi 5 nm offshore to mid lake- lake michigan from rock island passage to sturgeon bay wi- lake michigan from sturgeon bay to two rivers wi 5 nm offshore to mid lake- lake michigan from two rivers to sheboygan wi 5 nm offshore to mid lake- lake michigan from pentwater to manistee mi 5 nm offshore to mid lake- 915 am cdt Sun apr 19 2026
sheboygan wi to pentwater mi north - .
Rest of today - Northwest winds 15 to 25 kt becoming north. Scattered flurries this afternoon. Waves 2 to 4 ft.
Tonight - North winds 15 to 25 kt becoming northwest 10 to 15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
Monday - Northwest winds 5 to 10 kt becoming southwest 10 to 15 kt late in the morning, then increasing to 10 to 20 kt early in the afternoon becoming south 15 to 25 kt late. Waves 1 to 3 ft building to 3 to 5 ft.
Monday night - South winds to 30 kt. Waves 5 to 8 ft occasionally to 10 ft.
Tuesday - Southwest winds to 30 kt diminishing to 10 to 20 kt in the afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Tuesday night - Northeast winds 10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
Wednesday - Northeast winds 10 to 15 kt diminishing to 5 to 10 kt. Waves 1 to 2 ft.
Thursday - South winds 15 to 25 kt. Waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft occasionally to 10 ft.
open lake forecast for lake michigan national weather service milwaukee/sullivan wi 915 am cdt Sun apr 19 2026
for waters beyond five nautical miles of shore on lake michigan.
waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.
high pressure around 30.4 inches tracking southeastward across saskatchewan and manitoba will push a cold front across the lake by midday, with southwest winds ahead of the front and northwest winds arriving behind it. Gusty winds are expected behind the cold front into this afternoon, particularly over far northern and southern portions of the lake. Winds subside and veer north later this afternoon into tonight, as the high approaches. It crosses the lake later tonight into Monday morning, leading to light and variable winds.
low pressure around 29.1 inches tracks along the southern edge of hudson bay Monday afternoon into Tuesday, working with the departing high to bring breezy south winds over lake michigan. A few gales cannot be ruled out Monday evening into early Tuesday morning, particularly over the northern third of the lake.
a passing trough of low pressure leads to a period of variable winds later Tuesday. Weak high pressure over ontario then forces a weak backdoor cold front across the lake Tuesday night, with light north to northeast winds continuing into Wednesday morning.
winds should become southeast to south and increase later in the week, as strong low pressure around 29.2 inches develops in the northern plains.
lmz261-362-364-366-563-565-567-868-192115- lake michigan from seul choix point to rock island passage 5 nm offshore to mid lake- lake michigan south of a line from seul choix point to the mackinac bridge and north of a line from charlevoix mi to south fox island 5 nm offshore- lake michigan from charlevoix to point betsie mi 5 nm offshore to mid lake- lake michigan from point betsie to manistee mi 5 nm offshore to mid lake- lake michigan from rock island passage to sturgeon bay wi- lake michigan from sturgeon bay to two rivers wi 5 nm offshore to mid lake- lake michigan from two rivers to sheboygan wi 5 nm offshore to mid lake- lake michigan from pentwater to manistee mi 5 nm offshore to mid lake- 915 am cdt Sun apr 19 2026
sheboygan wi to pentwater mi north - .
LMZ300
No data
No data
7 Day Forecast for Marine Location Near Glen Arbor, MI
NEW! Add second zone forecast
FXUS63 KAPX 191024 AFDAPX
Area Forecast Discussion National Weather Service Gaylord MI 624 AM EDT Sun Apr 19 2026
KEY MESSAGES
- High flows and some flooding continues across area rivers, lakes.
- Rain/snow showers today, especially along a frontal boundary.
- Drier conditions anticipated through much of next week, resulting in improvement to ongoing flooding.
- Active weather likely returns late next week and into the weekend.
DISCUSSION
Issued at 155 AM EDT Sun Apr 19 2026
Pattern Synopsis and Forecast:
Deep upper trough, extending from Hudson Bay and northern portions of Quebec down into the Upper Midwest, will be our feature of note for today. Additionally, secondary cold front will move through the area as well. Trough axis with cold pool aloft and steepening low to mid level lapse rates will result in minor instability today, aiding in snow shower development. Low level convergence along the frontal boundary will help as well. Given this pattern, conceptually, cellular snow/rain showers are likely with aid from the frontal boundary. Looks to be a little better region of enhancement generally south of M-32 given better sfc convergence along with the best axis of non zero convective instability during the daytime hours. One would think the main concern with any of these snow showers would be short lived drops in visibility, perhaps some graupel as well. Colder low level temps tonight may produce a few light lake induced snow showers, the main story being the seasonably cold lows. Expect low 20s most areas with teens across our notoriously colder spots.
That troughing complex pulls away early next week, with drier conditions overall as high pressure builds overhead on Monday. Quick moving upper trough across Canada and attendant boundary late Monday night into early Tuesday will try to clip eastern upper for a shower or two, but looks like the better forcing and moisture will be displaced too far to the north. Either way, this is not a big deal and does not add any more hydrologic stress on the area, on the contrary in fact with subsiding water levels across our river systems.
A welcomed dry stretch of weather is expected much of next week as heights begin to rise, especially mid to late week. Meanwhile, a deep trough made up of many pieces of energy dives into western and central portions of the CONUS, driving a moist (dewpoints >50F and PWATs 150-200% of normal) airmass into northern Michigan.
Instability a little in question at this time, but there is the potential for some healthy rains with this type of pattern sometime during the later Thursday through Friday night time frame. Current probs from LREF and NBM generally suggest a low to medium potential (~10 to 50%) for 0.5" or more of rain. We'll have to monitor the subtleties of this setup moving forward.
AVIATION /12Z TAFS THROUGH 12Z MONDAY/
Issued at 622 AM EDT Sun Apr 19 2026
Primarily VFR conditions expected through this taf period, with passing mainly higher based clouds...along with the potential for a few light snow showers at times today. Suppose any brief heavier snow shower may temporarily drop visibilities to MVFR. Gusty northwest winds today...with northwest winds steadily decreasing in speed tonight.
HYDROLOGY
Issued at 155 AM EDT Sun Apr 19 2026
Current flows across area rivers remain anomalously high, with plenty still exhibiting cfs values at a 2% annual exceedance probability (or 50 year average return interval). Combining this with some of our flood inundation mapping tools suggest inundation still occurring across portions of northwest and northeast lower MI (for example portions of Cheboygan, Alpena, and Wexford counties).
Some improvement noted across other locales though standing water likely remains in poor drainage places and areas of saturated soils.
Thus, areal and river flooding is still occurring, although river levels and flows are dropping to some extent across the area. This will continue to be the trend through a good portion of this upcoming week as a dry period is expected, so we should expect a slow but significant improvement in the ongoing flooding and subsequent river levels across northern Michigan, as indicated by the latest HEFS River Flood guidance. Flooding will linger longer across the Tip of the Mitt and any lakes that have elevated water levels that are impinging on houses. Worth noting that an active period is likely late this week and beyond, with the potential for noteworthy precipitation. Something to consider moving forward.
APX WATCHES/WARNINGS/ADVISORIES
MI...None.
MARINE...Small Craft Advisory until 5 AM EDT Monday for LHZ345>349.
Small Craft Advisory until 5 AM EDT Monday for LMZ323-341-342- 344>346.
Small Craft Advisory until 5 AM EDT Monday for LSZ321-322.
Area Forecast Discussion National Weather Service Gaylord MI 624 AM EDT Sun Apr 19 2026
KEY MESSAGES
- High flows and some flooding continues across area rivers, lakes.
- Rain/snow showers today, especially along a frontal boundary.
- Drier conditions anticipated through much of next week, resulting in improvement to ongoing flooding.
- Active weather likely returns late next week and into the weekend.
DISCUSSION
Issued at 155 AM EDT Sun Apr 19 2026
Pattern Synopsis and Forecast:
Deep upper trough, extending from Hudson Bay and northern portions of Quebec down into the Upper Midwest, will be our feature of note for today. Additionally, secondary cold front will move through the area as well. Trough axis with cold pool aloft and steepening low to mid level lapse rates will result in minor instability today, aiding in snow shower development. Low level convergence along the frontal boundary will help as well. Given this pattern, conceptually, cellular snow/rain showers are likely with aid from the frontal boundary. Looks to be a little better region of enhancement generally south of M-32 given better sfc convergence along with the best axis of non zero convective instability during the daytime hours. One would think the main concern with any of these snow showers would be short lived drops in visibility, perhaps some graupel as well. Colder low level temps tonight may produce a few light lake induced snow showers, the main story being the seasonably cold lows. Expect low 20s most areas with teens across our notoriously colder spots.
That troughing complex pulls away early next week, with drier conditions overall as high pressure builds overhead on Monday. Quick moving upper trough across Canada and attendant boundary late Monday night into early Tuesday will try to clip eastern upper for a shower or two, but looks like the better forcing and moisture will be displaced too far to the north. Either way, this is not a big deal and does not add any more hydrologic stress on the area, on the contrary in fact with subsiding water levels across our river systems.
A welcomed dry stretch of weather is expected much of next week as heights begin to rise, especially mid to late week. Meanwhile, a deep trough made up of many pieces of energy dives into western and central portions of the CONUS, driving a moist (dewpoints >50F and PWATs 150-200% of normal) airmass into northern Michigan.
Instability a little in question at this time, but there is the potential for some healthy rains with this type of pattern sometime during the later Thursday through Friday night time frame. Current probs from LREF and NBM generally suggest a low to medium potential (~10 to 50%) for 0.5" or more of rain. We'll have to monitor the subtleties of this setup moving forward.
AVIATION /12Z TAFS THROUGH 12Z MONDAY/
Issued at 622 AM EDT Sun Apr 19 2026
Primarily VFR conditions expected through this taf period, with passing mainly higher based clouds...along with the potential for a few light snow showers at times today. Suppose any brief heavier snow shower may temporarily drop visibilities to MVFR. Gusty northwest winds today...with northwest winds steadily decreasing in speed tonight.
HYDROLOGY
Issued at 155 AM EDT Sun Apr 19 2026
Current flows across area rivers remain anomalously high, with plenty still exhibiting cfs values at a 2% annual exceedance probability (or 50 year average return interval). Combining this with some of our flood inundation mapping tools suggest inundation still occurring across portions of northwest and northeast lower MI (for example portions of Cheboygan, Alpena, and Wexford counties).
Some improvement noted across other locales though standing water likely remains in poor drainage places and areas of saturated soils.
Thus, areal and river flooding is still occurring, although river levels and flows are dropping to some extent across the area. This will continue to be the trend through a good portion of this upcoming week as a dry period is expected, so we should expect a slow but significant improvement in the ongoing flooding and subsequent river levels across northern Michigan, as indicated by the latest HEFS River Flood guidance. Flooding will linger longer across the Tip of the Mitt and any lakes that have elevated water levels that are impinging on houses. Worth noting that an active period is likely late this week and beyond, with the potential for noteworthy precipitation. Something to consider moving forward.
APX WATCHES/WARNINGS/ADVISORIES
MI...None.
MARINE...Small Craft Advisory until 5 AM EDT Monday for LHZ345>349.
Small Craft Advisory until 5 AM EDT Monday for LMZ323-341-342- 344>346.
Small Craft Advisory until 5 AM EDT Monday for LSZ321-322.
| Stations | Dist | Age | Wind | Air | Water | Waves | inHg | DewPt |
| GTLM4 - Grand Traverse Light, MI | 33 mi | 48 min | N 14G | 31°F | 30.06 | |||
| NPDW3 - Northport Pier at Death's Door WI | 49 mi | 88 min | NNW 15G | 31°F | ||||
| FPTM4 - Fairport, MI | 50 mi | 48 min | NW 12G | 40°F |
Wind History for Port Inland, MI
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Link to 1 hour of 5 minute data for KFKS
Terminal Aerodrome Forecast (TAF) for KFKS
Wind History Graph: FKS
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Gaylord, MI,
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