Marysville, MI Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Marysville, MI


December 10, 2023 9:34 PM EST (02:34 UTC)
Sunrise 7:48AM   Sunset 4:56PM   Moonrise  5:21AM   Moonset 3:05PM 

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Marine Forecasts
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LCZ422 339 Pm Est Sat Dec 9 2023
.a strong Thunderstorm approaching the waters...
the areas affected include...
nearshore waters from port sanilac to port huron mi...
st. Clair river...
at 338 pm est, doppler radar indicated a strong Thunderstorm, capable of producing winds to up 30 knots and small hail. This Thunderstorm was located 10 nm west of new baltimore, moving northeast at 45 knots.
the strong Thunderstorm will be near, port huron around 410 pm est.
precautionary/preparedness actions...
mariners can expect gusty winds up to 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes.
this a strong Thunderstorm will likely produce winds up to 30 knots, and could pose a serious hazard for boaters. A special marine warning may eventually be required when this storm reaches the nearshore waters. Boaters should consider heading for shore before the storm arrives.
&&
lat...lon 4300 8242 4296 8242 4293 8245 4289 8247 4280 8248 4276 8247 4267 8251 4262 8251 4258 8257 4270 8261 4265 8259 4264 8256 4276 8251 4289 8252 4300 8247 4310 8251 4315 8251 4322 8243 4319 8242 4312 8236

LCZ400
No data


7 Day Forecast for Marine Location Near Marysville, MI
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Area Discussion for - Detroit/Pontiac, MI
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FXUS63 KDTX 110203 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 903 PM EST Sun Dec 10 2023

UPDATE

The evening update extends timing of scattered flurries for a few more hours this evening and also serves to emphasize falling temperatures and the potential for slick spots during the morning commute. Influence of the mid level wave is holding on to produce a shallow area of flurries that quickly moves eastward by midnight. It leaves behind breaks of clear sky between lingering streamers of Great Lakes generated stratocu which could also bring a stray additional flurry during the late night. More notable is the clear sky periods helping drop temperatures well below freezing not long after midnight with lows in the mid to upper 20s easily reachable by sunrise. A few slick spots on area roads then become possible through early morning anywhere light NW wind is unable dry off driving and walking surfaces.

PREV DISCUSSION
Issued at 709 PM EST Sun Dec 10 2023

AVIATION...

A cold front and mid level wave of low pressure support scattered light rain and snow showers across Lower Mi for a few more hours this evening. There is also a component of Great Lakes generated instability adding to borderline VFR/MVFR ceiling which will be the general cloud mode with a stray flurry late tonight and Monday.
There is also a broad area of MVFR stratus over the upper Midwest but no clear signal yet on how aggressively it moves into Lower Mi as high pressure advances eastward. The clouds are a sign that Lake Michigan will remain active regardless of how the upstream cloud pattern evolves under persistent NW flow backing to SW by Monday evening.

For DTW... A mix of light rain and snow flurries remain possible this evening with some breaks in the cloud cover likely late tonight. Disorganized ceiling hovers around the VFR/MVFR threshold through Monday morning.

DTW THRESHOLD PROBABILITIES...

* High for ceiling 5000 feet or less tonight and Monday.

* High for precip type as rain/melting snow through this evening.
Ptype of snow overnight/Monday morning.

PREV DISCUSSION...
Issued at 429 PM EST Sun Dec 10 2023

DISCUSSION...

Neutrally tilting shortwave with finer embedded trough features crosses Lower Michigan this evening supporting some light shower activity amidst background lake-effect evapotransport. Low-level wind fields hold a northwesterly vector into the overnight hours before the final packet of CVA exits the state. Adjusted the forecast in favor of sprinkle and/or flurry mentions tonight as temperatures have largely overachieved, but with colder nocturnal air inbound, expect the cloud-bearing saturated layer to settle into the warmer end of the DGZ by 03Z. This supports a transition to isolated flurries for the overnight period. Temperatures drop into the 20s across the forecast area by daybreak.

Heights rebound locally Monday as PV consolidates to the east yielding increasingly stable conditions over the region. The upper level pattern becomes ridged over for approximately 24 hours offering dry and seasonably cool conditions. Forecast soundings indicate deep-layer subsidence by the afternoon and the eventual erosion/scattering of low stratus. Zonal low-level winds back to follow suit in the mid to upper levels during the overnight period as high clouds eventually spill in ahead of the next wave.

Upper low over Manitoba digs into northern Ontario Tuesday shoving an arctic airmass into the northern Great Lakes. The flanking frontal boundary extends well into the Ohio Valley, while the 850 mb thermal gradient suggests a spread in high temperatures Tuesday afternoon from northwest to southeast (upper 30s and lower 40s, respectively). Moisture quality concerns remain as peak PWATs within the pre-frontal ThetaE wedge remain 10-20 percent below climatological normals and soundings appear subsaturated wrt ice on either side of the 2-4 kft AGL layer. Wouldn't be surprised if a few flurries materialize given the low-level FGEN response through the stratocumulus deck, but not worth a mention in this outgoing forecast.

Surface high pressure slides out of the Eastern Plains and repositions over the Ohio Valley Wednesday maintaining column dryness. A thermal ridge spilling out of the Canadian Prairies moderates as it folds into the Midwest Thursday and Friday while 850 mb temps are now projected to hold AOB 5 C. This still translates to higher than normal temperatures, approaching 10F above. A frontal passage Saturday provides an opportunity for precipitation, but the GFS and ECMWF maintain large spatial variance with the next wave.

MARINE...

Cold thermal trough is centered over the Great Lakes Region today with an expansive frontal system moving towards the Atlantic Coast.
A weaker trailing frontal boundary is moving across the central Great Lakes this afternoon with a northwest post frontal wind direction. Cold air and some mid level shortwave support will bring lake effect snow showers for Lake Huron through this evening. The northwest flow will will build waves into the nearshores of the northern Thumb by tomorrow morning. This will bring marginal small craft advisory conditions as wind gust potential will top out around 20 knots. Overall lighter period of winds for the daylight period tomorrow. Southwest winds are then expected to ramp up Monday night through Tuesday morning as the next strong low pressure system moves across northern Ontario and drags a cold front through the region.
The potential for a period of gales will exist Tuesday morning and early afternoon for portions of Lake Huron. Cold air and a tight pressure gradient will maintain unsettled marine conditions into Wednesday with gusts of 25-30 knots common across much of Lake Huron.

DTX WATCHES/WARNINGS/ADVISORIES

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesinHgDewPt
MBRM4 - 9014090 - Mouth of the Black River, MI 6 mi47 min 29.90
FTGM4 - 9014098 - Fort Gratiot, MI 7 mi47 min NW 7G11 29.90
PBWM4 7 mi47 min 29.90
AGCM4 20 mi47 min 46°F29.90
PSCM4 35 mi35 min 7G13
CLSM4 - St. Clair Shores, MI 37 mi35 min WNW 8G12 38°F 29.97

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Wind History for Fort Gratiot, MI
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KPHN ST CLAIR COUNTY INTL,MI 3 sm19 minWNW 0610 smOvercast37°F28°F70%29.94
CYZR SARNIA CHRIS HADFIELD,CN 11 sm34 minNW 119 smOvercast37°F28°F70%29.92

Wind History from PHN
(wind in knots)



Tide / Current for
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GEOS Local Image of great lakes   
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Detroit, MI,



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