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LEZ146 Expires:202312021515;;756678 Fzus51 Kcle 020830 Nshcle
nearshore marine forecast national weather service cleveland oh 330 am est Sat dec 2 2023
for waters within five nautical miles of shore
waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum.
lez145>147-021515- vermilion to avon point oh-avon point to willowick oh- willowick to geneva-on-the lake oh- 330 am est Sat dec 2 2023
Today..Southwest winds 5 to 10 knots becoming northwest. A chance of showers this morning, then a slight chance of showers this afternoon. Waves 1 foot or less.
Tonight..Northeast winds 10 knots or less becoming east. A slight chance of showers. Waves 1 foot or less.
Sunday..East winds 5 to 10 knots becoming southwest and increasing to 15 to 20 knots. Showers. Waves 1 to 3 feet.
Sunday night..West winds 15 to 20 knots. A chance of rain showers in the evening. Waves 3 to 6 feet. Waves occasionally around 7 feet.
see lake erie open lakes forecast for Monday through Wednesday.
the water temperature off toledo is 44 degrees, off cleveland 45 degrees, and off erie 43 degrees.

LEZ100
No data

FXUS61 KCLE 022055 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 355 PM EST Sat Dec 2 2023

SYNOPSIS
Low pressure will move east of the area early tonight before another low pressure moves northeast across the Ohio River Valley on Sunday.
A ridge will briefly push over the area on Monday before another system impacts the region for Tuesday into Wednesday.

NEAR TERM /THROUGH SUNDAY NIGHT/
Low pressure centered over the area will continue to drift east through late this evening. Much of the precipitation chances remain isolated to near the lakeshore where weak surface convergence has allowed for enough lift to maintain some light showers. In general, as the low moves east, a nose of dry air in the mid levels will push over the area, allowing precipitation to end. The caveat with this however is that an inversion in the low-levels will result in the trapping of surface moisture and ultimately the lingering dreary conditions. This moisture shouldn't have any additional impacts until late tonight into Sunday as the potential for fog and/or low stratus develops. Overall confidence in the location of this is not high so opted to cap it at patchy with this update. Will continue to monitor trends through the evening, but as of this update cloud ceiling heights are already less than 1kft in most locations and expected to continue to lower. Overnight lows will be in the low to mid 40s.

On Sunday, another low pressure system tracks northeast into the Ohio River Valley and is expected to bring an additional round of rainfall. Models continue to suggest the strong upper-level trough strengthening the low, so opted to increase winds a tad by Sunday afternoon into the evening with sustained winds of 15-20 mph and gusts up to 30 mph possible. Highs on Sunday will climb into mid 40s to low 50s with the coolest air in NW OH. This low should move east of the area by Sunday evening, allowing for a westerly flow to become established and advect colder air over the area. Right now models suggest 850mb temperatures near -5C to push east across Lake Erie Sunday night, which will result in marginal lake induced instability and the potential for continued rain showers in the typical snowbelt areas. A few flakes may mix in across higher elevations, but no accumulation is expected as overnight lows drop into the mid 30s. The remainder of the area should begin to dry out overnight Sunday.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/
Large upper-level trough encompasses much of the region with one short wave trough rounding the base in central Appalachia and to the mid-Atlantic region and another more compact shortwave trough moving southeast across the southern Great Lakes on Monday. Cool air aloft (850mb temps around -5 to -6 C), along with lift from the shortwave trough, should be sufficient in supporting lake effect showers across parts of Northeast Ohio and Northwest Pennsylvania Monday through Monday night.
Precipitation should be mostly rain in Northeast Ohio with some snow mixing in for Northwest Pennsylvania, especially overnight.
Temperatures will be near normal (highs in low 40s, lows around 30).

On Tuesday, another large upper-level trough builds in, with the base of this trough diving well into the southeast CONUS. The surface low is expected to move southeast somewhere across the southern Great Lakes or Ohio Valley, with precipitation expected during the day. Confidence has increased in precipitation chances, with PoPs in the 60-80% range areawide on Tuesday, despite relatively low QPF forecast (around 0.05-0.1"). Some snow could mix in depending on the low track, especially for locations farther east (e.g. Northeast Ohio and Northwest Pennsylvania). Some light lake effect snow may ensue Tuesday night. Temperatures are expected to be a couple degrees cooler Tuesday and Tuesday night.

LONG TERM /WEDNESDAY THROUGH SATURDAY/
An upper-level ridge and associated surface high pressure build in and across the region through the end of the week. Even so, this doesn't mean a precipitation-free forecast as light lake effect lingers on Wednesday, and then a weak shortwave trough traverses the eastern part of the area Wednesday night and Thursday, with light snow possible. The next low pressure system approaches from the southwest by Saturday, with temperatures warming up to around 50 by Friday/Saturday.

AVIATION /18Z Saturday THROUGH Thursday/
Much of the area has fallen to MVFR or lower conditions this afternoon as a low pressure slowly moves across the area. There remains isolated light showers along the eastern shore of Lake Erie, although impact from these showers is minimal. As the aforementioned low tracks across the area, ceilings will drop from MVFR to IFR by 00Z, if not LIFR in some spots. In addition, patchy areas of fog will result in visibilities also diminishing, especially overnight as winds calm and an inversion sets up. Wouldn't be surprised to see patchy areas of fog that reduce visibility lower than the 1SM currently in the TAF, but confidence in this occurring at specific terminals is low so opted to not include with this update. Overall opted for a fairly pessimistic aviation forecast with all sites expected to reach IFR/LIFR by tonight and persist through the remainder of the TAF period. Near the end of the period on Sunday, rain showers will again build over the area. Winds through the period will be light and variable until early Sunday afternoon when they become sustained from the southwest at 5-10 knots. The strongest winds will occur after this TAF period.

Outlook...Non-VFR expected through Tuesday in low ceilings and/or periodic rain showers. Non-VFR may linger into Wednesday in lake-effect clouds.

MARINE
Low pressure over central Lake Erie pulls away from the area to the east, with northeast winds of around 10-15 knots persisting tonight. Another low moves east across the Lake Erie on Sunday, with westerly winds of around 20 knots developing Sunday afternoon and persisting through early Monday afternoon. It's very likely a small craft advisory will be needed for this period, especially east of The Islands. West winds weaken to around 15 knots Monday afternoon with waves of around 4 feet continuing east of Avon Point through Monday night. High pressure ridge builds in late Monday night and departs to the east by Tuesday. Winds briefly go south to southeast on Tuesday, quickly going northwest Tuesday night through Wednesday afternoon.

CLE WATCHES/WARNINGS/ADVISORIES
OH...None.
PA...None.
MARINE...None.

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