Mackinaw City, MI Marine Weather and Tide Forecast

Marine Weather and Tide Forecast for Mackinaw City, MI

April 23, 2024 3:30 AM EDT (07:30 UTC) Change Location
Sunrise 6:32 AM   Sunset 8:38 PM
Moonrise 7:40 PM   Moonset 5:22 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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Marine Forecasts
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LHZ345 Straits Of Mackinac Within 5 Nm Of Mackinac Bridge Including Mackinac Island- 1005 Pm Edt Mon Apr 22 2024

Overnight - Southwest wind 10 to 20 knots. Rain showers likely early in the evening, then showers after midnight. Waves 2 to 3 feet.

Tuesday - West wind 10 to 20 knots. Chance of showers. Waves 2 to 3 feet.

Tuesday night - North wind 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet.

Wednesday - Northeast wind 10 to 15 knots. Sunny. Waves 2 feet or less.
see the open lakes forecast for days 3 through 5.

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7 Day Forecast for Marine Location Near Mackinaw City, MI
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Area Discussion for - Gaylord, MI
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Area Forecast Discussion National Weather Service Gaylord MI 1145 PM EDT Mon Apr 22 2024


- Showers tonight and Tuesday. Slight chance for thunderstorms Tuesday afternoon and evening.

- Colder Tue night and Wednesday, then moderating temps.

- Active weather likely this upcoming weekend.

Pattern/synopsis: Low pressure and an associated surface cold front will cross the region later tonight into Tuesday.

Forecast: Clouds will increase and thicken tonight. A band of showers expected to cross the region late tonight into early Tuesday from west to east. This will be followed by a lull in the action for much of Tuesday morning. Showers and possible embedded thunder likely Tuesday afternoon and evening. Instability is weak but looks like possibly up to a few hundred j/kg of cape across southeast zones. The airmass remains rather dry however with precipitable water values only increasing to around a half inch. Surface dewpoints will be lucky to make it to much above the low 40s Tuesday. Can't rule out locally gusty winds and pea sized hail, mainly as you head down toward Saginaw Bay. In the meantime, high fire danger and the associated red flag warning continues across all of northern lower into early this evening due to gusty southwest winds, very low relative humidity and very dry fine fuels. Lows tonight in the mild low and mid 40s. Highs Tuesday generally ranging from the upper 50s north to the mid 60s south.


A trough swings out of the region and shifts winds from west to north as a frontal boundary and a cooler airmass push into the area heading into Wednesday. Heights rise later in the week due to a ridge of high pressure building across the Plains resulting in quiet and mild weather for Northern Michigan (potentially leading to fire weather concerns). However, by the weekend, another shot of energy is expected to make its way from the Plains to the upper Midwest resulting in likely active weather for this upcoming weekend.


Active weather likely this upcoming weekend: An upper-level low and its associated surface low pressure are expected to track northward from the central Plains to the upper Midwest. At this time, showers appear likely, with the potential for some embedded thunderstorms possible. Looking at guidance, decent CAPE looks to advect into the region making this setup something to keep an eye on in the coming days. Accompanying these showers, could be some pretty gusty winds with some areas potentially seeing gusts up to 40 mph. However, with this setup being several days away, stay tuned as we continue to fine tune the forecast.

Initial upstream cold front will swing thru our CWA overnight...
providing sct/nmrs showers overnight into early Tuesday. We will see a brief break in the action Tuesday morning...before additional chances of showers and possibly some thunderstorms develop Tuesday afternoon and evening along and ahead of the secondary main cold front as it sweeps thru our region Tuesday night
Prevailing conditions will remain VFR thru Tuesday
dropping to MVFR at times within some heavier shower activity as well as Tuesday night behind the cold front. LLWS will develop across portions of Eastern Upper and NW Lower Michigan late tonight.
Surface winds will remain from the SW at 10 to 20 kts...becoming SW and eventually W/NW on Tuesday and strengthening to 15 to 25 kts behind the secondary cold front.

MARINE...Small Craft Advisory until 8 AM EDT Wednesday for LMZ323-341- 342-344>346.

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MACM4 - 9075080 - Mackinaw City, MI 2 mi60 min WSW 17G25 48°F 43°F29.6643°F
SRLM4 33 mi30 min WSW 21 50°F 35°F
NABM4 - Naubinway, MI 42 mi50 min SSW 17G20 45°F 29.62
RCKM4 - 9076024 - Rock Cut, MI 45 mi60 min SW 9.9G18 41°F29.62
WNEM4 - 9076027 - West Neebish, MI 45 mi60 min WSW 8G13 52°F 42°F29.6337°F
DTLM4 - 9075099 - De Tour Village, MI 48 mi60 min WSW 5.1G12 48°F 40°F29.6534°F
PTIM4 - 9099004 - Point Iroquois, MI 49 mi60 min SW 7G16 53°F 29.6140°F

Wind History for Mackinaw City, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KMCD MACKINAC ISLAND,MI 8 sm15 minWSW 10G207 smOvercast Lt Rain 45°F45°F100%29.67
KPLN PELLSTON RGNL AIRPORT OF EMMET COUNTY,MI 15 sm36 minWSW 11G2110 smOvercast Lt Rain 48°F41°F76%29.70
KSLH CHEBOYGAN COUNTY,MI 16 sm15 minWSW 14G2010 smOvercast50°F41°F71%29.67
Link to 5 minute data for KMCD

Wind History from MCD
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Tide / Current for
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Weather Map
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GEOS Local Image of GreatLakes   

Gaylord, MI,

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