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


December 4, 2023 4:57 AM EST (09:57 UTC)
Sunrise 7:44AM   Sunset 5:03PM   Moonrise  12:00AM   Moonset 1:07PM 

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Marine Forecasts
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LCZ423 851 Pm Edt Wed Sep 6 2023
.strong Thunderstorms approaching the waters...
the areas affected include...
detroit river... Michigan waters of lake erie...
at 848 pm edt, doppler radar indicated strong Thunderstorms, capable of producing winds to up 30 knots. These Thunderstorms were located along a line extending from 16 nm west of lake erie metropark harbor to 8 nm northwest of Monroe harbor to near luna pier, moving northeast at 20 knots.
strong Thunderstorms will be near, Monroe harbor, bolles harbor of refuge, north cape, luna pier, woodland beach, and detroit beach around 855 pm edt. Stony point around 900 pm edt. Lake erie metropark harbor, estral beach, and gibraltar around 910 pm edt. Detroit river light around 915 pm edt. Elizabeth park marina and wyandotte around 920 pm edt. Grosse ile around 925 pm edt.
other locations impacted by strong Thunderstorms include woodland beach, stony point, gibraltar, estral beach, and detroit beach.
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 these storms pass.
these strong Thunderstorms 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 these storms reach the nearshore waters. Boaters should consider heading for shore before these storms arrive.
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lat...lon 4173 8350 4180 8350 4195 8337 4197 8328 4226 8317 4233 8311 4238 8294 4235 8293 4232 8307 4224 8313 4212 8312 4203 8315 4196 8311 4180 8333 4172 8341

LCZ400
No data


7 Day Forecast for Marine Location Near Ypsilanti, MI
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Area Discussion for - Detroit/Pontiac, MI
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FXUS63 KDTX 040903 AFDDTX

Area Forecast Discussion National Weather Service Detroit/Pontiac MI 403 AM EST Mon Dec 4 2023

DISCUSSION

A larger scale deformation axis is stringing out across Southeast Michigan early this morning as multiple shortwaves have been tracking into/through the basal portion of the northeastern NOAM trough. The net result has been a persistence of moist lower tropospheric conditions and continuation of drizzle and light precipitation. Cold advection has been very slow to this point with many locations remaining in the upper 30s to around 40 degrees as of midnight. Modest cold air advection will now more in the way of snowflakes mixing in before precipitation ends completely.

Model data suggests the amalgamation of absolute vorticity will push east of Southeast Michigan by late this morning allowing for differential anticyclonic vorticity advection. This large scale forcing will support weak shortwave ridging aloft and a weak col/surface ridge late this afternoon. The trend in the model soundings is for more moisture and saturation to hold on in the lowest 3.0 kft across all of the area. The soundings show some drying and lowering of stability from 5.0 down to 2.5 kft but overall the signal is very weak in downward vertical motion. Still holding onto a little hope the northern cwa could see some fleeting sunshine this afternoon but background cyclonic flow and this trend in the models suggests it will be tough. Highs in the upper 30s to around 40 degrees with windchills in the upper 20s to around 30 degrees.

An impressive and deep midlevel trough is forecasted to amplify and deep across Tennessee Valley late Tuesday. No real changes with what has been a stable model trend for a system that will largely track to the south. Still expecting the precipitation to merely brush the region bringing light precipitation chances. Model soundings remain supportive of all snow with any deep saturation and UVVs. The probabilistic guidance continues to highlight the floor/ceiling of this event...time lagged ensemble giving a 12hr probability of 45- 50% for 0.10 inch and the NBM 50th percentile of 24 hr snow accumulation at 0.0 inch or no accumulation. Probably could be better characterized as flurries.

Progressive longwave trough and ridge couplet is anticipated for the middle to end of the weak. Modestly cool conditions again Wednesday with highs in the middle to upper 30s, some 2 to 5 degrees below normal. Upper level heights begin to rise Wednesday night leading to a tremendous amount of warm advection. A Clipper is forecasted to dive southeastward just north of Lake Superior and Lake Huron.
Models have brought the bulk of any QPF over Lake Huron to the northeast of the forecast area. There are chance PoPs in the forecast for a mix of rain and snow but light QPF limits an accumulation potential. The narrative then for the end of the week will be mild conditions with temperatures in the 40s and 50s.

MARINE

Low pressure continues to push further east across the Northeast today allowing for a gradual weakening trend in northwest winds through the day. A brief ridge of high pressure builds in this evening/tonight before a weak clipper system drops into the Ohio Valley/southern Great Lakes Tuesday. Minimal marine impacts accompany this system as the weak gradient results in northerly winds generally holding under 15kts with light rain-snow showers being confined south of Lake Huron. A warm front tied to low pressure over the Canadian Prairie lifts across the region late Wednesday offering another window for light rain-snow showers. Main impacts instead are strengthening southwesterly flow into Thursday as the region holds between the aforementioned low and broad Southeastern US high pressure. However given the warmer airmass, current expectation is for gusts to hold sub 30kts.

PREV DISCUSSION
Issued at 1139 PM EST Sun Dec 3 2023

AVIATION...

Low level troughing will sustain areas of IFR based clouds, mainly from PTK northward through at least 08 or 09Z. This low level troughing will weaken during the course of the morning and will allow ceilings to be predominately MVFR after 09 or 10Z. An upper level short wave tracking across SW Lower Mi has sustained some lingering showers. This forcing will weaken during the early morning hours, allowing a gradual end to the lingering showers. Low level cyclonic flow and ample moisture trapped under a low level inversion should sustain the MVFR cloud bases well into the day Monday.

For DTW...Observational trends continue to suggest IFR ceilings will remain north of metro through the morning. Model soundings do however suggest ceilings will fluctuate across the 2k foot threshold.

DTW THRESHOLD PROBABILITIES...

* High in ceilings below 5000 feet tonight and Monday.



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
CLSM4 - St. Clair Shores, MI 37 mi58 min W 9.9G15 39°F 29.81
THRO1 - 9063085 - Toledo, OH 42 mi58 min W 8G11 39°F 29.7935°F
TWCO1 44 mi38 min W 16G21 39°F 35°F

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Wind History for Toledo, OH
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KYIP WILLOW RUN,MI 4 sm30 minWNW 0810 smOvercast37°F36°F93%29.80
KARB ANN ARBOR MUNI,MI 12 sm64 minW 0810 smOvercast37°F34°F87%29.80
KDTW DETROIT METROPOLITAN WAYNE COUNTY,MI 12 sm64 minWNW 0610 smOvercast37°F36°F93%29.80
KONZ GROSSE ILE MUNI,MI 24 sm22 minW 0510 smOvercast39°F37°F93%29.80

Wind History from YIP
(wind in knots)



Tide / Current for
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Detroit, MI,



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