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Marine Weather and Tide Forecast for Marine City, MI

June 14, 2025 6:30 AM EDT (10:30 UTC)
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Sunrise 5:48 AM   Sunset 9:11 PM
Moonrise 11:11 PM   Moonset 7:37 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.

Marine Forecasts
   
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NOTE: Zones were updated 3/20/2025
LCZ422 /o.exp.kdtx.ma.w.0023.000000t0000z-250516t0615z/ 209 Am Edt Fri May 16 2025

.the special marine warning will expire at 215 am edt - .
the affected areas were - . Detroit river - . Lake st. Clair open lake (u.s. Portion) - . Michigan waters of lake erie from detroit river to north cape mi - . St. Clair river - .
the Thunderstorms have moved out of the area and no longer pose a significant threat to boaters.
&&
lat - .lon 4195 8337 4197 8328 4226 8317 4233 8311 4239 8295 4266 8285 4270 8273 4268 8260 4264 8256 4267 8251 4261 8252 4255 8259 4254 8266 4237 8283 4229 8310 4205 8315 4196 8311 4188 8322 4187 8343 time - .mot - .loc 0608z 274deg 48kt 4277 8191 4232 8222 4194 8277
LCZ400
No data

7 Day Forecast for Marine Location Near Marine City, MI
   
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Area Discussion for Detroit/Pontiac, MI
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FXUS63 KDTX 140749 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 349 AM EDT Sat Jun 14 2025

KEY MESSAGES

- Chance for light showers south of I-94 through the morning.
Otherwise dry through the weekend.

- Warming trend through early next week.

DISCUSSION

A mid-level wave now exiting Missouri will progress east into the southern Ohio Valley this morning which will enhance southerly flow north through the Michigan border, contesting with the broader anticylonic flow from the broad Canadian high pressure over Ontario and Quebec. This will enhance an area of low level convergence from 900mb to 750mb focused along and south of I-94 which will be the focal point for continued rain showers through the morning hours, further aided from weak to modest pva aloft. Shallow forcing within a stable environment will hamper any thunderstorm chances. All precipitation chances wane through the late morning hours as the wave continues to progress east which will quickly dissolve low level convergence while the Canadian high begins to subtly pivot south into the Great Lakes. This will support dry conditions with temperatures topping in the 70s. The slightly cooler temperatures (outside of the vicinity of the lakeshore) will likely be found closer to the MI/OH border given the later departure of cloud cover as deep column moisture needs to be advected and scoured out.

High pressure will provide a dry day tomorrow where despite limited thermal advection, temperatures peak into the upper 70s under modest air mass modification. High pressure will wash out across the continental northeast into the Atlantic on Monday which will allow for some weaker moisture advection to expand across the Great Lakes, but overall synoptic flow is too weak to allow for a meaningful expansion of moisture. A well capped environment with weak gradient flow will likely extend dry weather into Monday as temperatures trends continue to increase, highs peaking in the low to mid 80s.

More active conditions will then return Tuesday and through the midweek period, first as zonal flow ushers in a couple of shortwaves which will bring in some better moisture and will act as a mechanism for shower and storm potential. Otherwise, medium range models are starting to converge on a wave that arrives across around Baja California early next week which will induce lee cyclogensis over the Rockies, producing a low pressure system that has potential to impact the Great Lakes region through the middle of the week. This signal is observed in both the GEFS and EPS ensemble systems, but any specifics to low track/strength will be reserved for when the wave arrives onshore early next week.

MARINE

A frontal boundary remains stalled over the Ohio Valley while broad high pressure over northern Ontario gradually shifts into Quebec this weekend. This pattern sustains light northeast wind, generally 15 kt or less, across the central Great Lakes. Enhanced wind funneling down the axis of Saginaw Bay will reach near 20 knots this afternoon. Showers gradually depart the southern Great Lakes through the day as the high pressure spreads southward - this brings dry weather through Sunday. Generally weak flow persists into early next week with warmer and more unstable conditions arriving on south wind Monday and Tuesday.

PREV DISCUSSION
Issued at 1156 PM EDT Fri Jun 13 2025

AVIATION...

Plume of higher moisture will linger across mainly the Detroit airspace through tonight, north of a low pressure system tracking across the Ohio valley. Gradual decline in cloud base with time overnight will lead to a period of MVFR restrictions across this corridor lasting into Saturday morning. PTK to remain on the northern fringe of this moisture with limited potential to dip out of VFR. Higher based VFR will continue to mark conditions at FNT/MBS tonight, outside of an impacts from the governing low pressure.
Lingering MVFR stratus across the DTW/YIP corridor will lift with time Saturday, with a more expansive coverage of sct/bkn VFR diurnal cu likely throughout SE MI during the afternoon. Winds prevailing from the east-northeast through the period.

For DTW/D21 Convection... Showers will persist through tonight, but limited instability precludes any potential for thunderstorm development.

THRESHOLD PROBABILITIES...

* High for ceilings at or below 5,000 feet overnight through early Saturday. Low Saturday afternoon.



DTX WATCHES/WARNINGS/ADVISORIES
MI...None.
Lake Huron...Small Craft Advisory until 4 AM EDT early this morning for LHZ421- 422.

Lake St Clair...None.
Michigan waters of Lake Erie...None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
AGCM4 6 mi43 min 57°F30.03
MBRM4 - 9014090 - Mouth of the Black River, MI 19 mi43 min 30.04
FTGM4 - 9014098 - Fort Gratiot, MI 21 mi43 minENE 11G13 30.04
45147 - Lake St Clair 22 mi31 minE 12 59°F 62°F1 ft30.05
CLSM4 - St. Clair Shores, MI 26 mi31 minNE 11G13 59°F 30.08
45209 30 mi31 minWSW 5.8G7.8 57°F 2 ft30.0954°F


Wind History for Fort Gratiot, MI
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KPHN ST CLAIR COUNTY INTL,MI 14 sm15 minN 0310 smClear54°F48°F82%30.08
KMTC SELFRIDGE ANGB,MI 19 sm35 minNNE 0510 smOvercast59°F50°F72%30.03
CYZR SARNIA CHRIS HADFIELD,CN 22 sm30 minNE 039 smClear54°F50°F88%30.07

Weather Map
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GEOS Local Image of great lakes  
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Detroit, MI,





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