Sunday, April18, 2021
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Marine Weather and Tides
Westlake, OH

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:40AMSunset 8:12PM Sunday April 18, 2021 5:27 PM EDT (21:27 UTC) Moonrise 9:44AMMoonset 12:42AM Illumination 44% Phase: First Quarter Moon; Moon at 7 days in cycle
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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LEZ146 Expires:202104181415;;729840 Fzus51 Kcle 180802 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 402 Am Edt Sun Apr 18 2021 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. Lez144>147-181415- The Islands To Vermilion Oh-vermilion To Avon Point Oh- Avon Point To Willowick Oh-willowick To Geneva-on-the Lake Oh- 402 Am Edt Sun Apr 18 2021
Today..Southwest winds less than 10 knots becoming east. A slight chance of showers this afternoon. Waves 1 foot or less.
Tonight..South winds 10 knots or less. Mostly cloudy in the evening, then becoming partly cloudy. Waves 1 foot or less.
Monday..Southwest winds 5 to 15 knots becoming west. Sunny. Waves 2 feet or less.
Monday night..West winds 10 to 15 knots becoming northwest. Mostly cloudy. Waves 2 feet or less. SEe lake erie open lakes forecast for Tuesday through Thursday. The water temperature off toledo is 50 degrees, off cleveland 46 degrees, and off erie 45 degrees.
LEZ146


7 Day Forecast for Marine Location Near Westlake, OH
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location: 41.45, -81.93     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 182024 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 424 PM EDT Sun Apr 18 2021

SYNOPSIS. A weak trough over Northeast Ohio this evening will move east of the area tonight. Mild southwesterly flow will be over the area on Monday as low pressure moves into the Upper Great Lakes. This system will pull a cold front south into the area Monday night, followed by a stronger system that will impact the area through mid-week.

NEAR TERM /THROUGH MONDAY NIGHT/. Showers have expanded across Northeast Ohio with a few stray showers extending west towards Bowling Green. The better coverage in the east is where surface convergence is maximized along a trough with support from a shortwave passing aloft. Freezing levels are low, around 4500 feet, so some of the stronger showers have been producing small hail and some lightning. Added isolated thunderstorms to the forecast through about 7 PM for favored areas from Akron to Youngstown. Instability remains limited and not expecting any winds stronger than about 30 mph. This activity will generally dissipate by 8 PM with some mid and high level cloud lingering tonight.

On Monday low pressure will move into the Upper Great Lakes accompanied by an upper level trough that will quickly deepen to 525dm as it closes off by Monday evening. The forecast area will reside in the warm sector ahead of this system with southwesterly flow and temperatures in the 60s. The daytime hours will generally be dry with cloud cover increasing from west to east through the afternoon as the front approaches. The only exception may be in far NE OH/NW PA where an isolated shower is possible along an axis of lingering weak instability and convergence downwind of Lake Erie. A cold front associated with this system will push south of Lake Erie Monday evening and stall across northern Ohio. Will carry a low chance of showers along the lakeshore with better forcing quickly shifting northeast up Lake Erie into New York. Temperatures will fall behind the front back down to around 40 degrees by Tuesday morning.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/. A shortwave trough deepens over the northern and central Great Plains Tuesday as the trough approaches our region from the northwest. At the surface, a stalled west-to-east-oriented front in vicinity of central OH, west-central/north-central PA around daybreak should shift northward as a warm front and reach as far north as about the US-224/I-76 corridor in northern OH as a surface low develops northeastward from the Ozarks Tuesday morning to the Mid OH Valley by nightfall. Isentropic lift aloft, along the front and ahead of the low, should allow scattered rain showers to affect our CWA, especially during the afternoon into the early evening. Daytime highs should range from the lower 40's in far-northern parts of the CWA to near 60 degrees in far-southern areas due to a tight temperature gradient along the front.

The trough aloft begins overspreading the Great Lakes Tuesday night, allowing the aforementioned surface low to deepen as it moves northeastward along the frontal boundary. There is still uncertainty regarding the exact track of the surface low, but it may advance from the Mid OH Valley to western PA Tuesday night. Isentropic lift accompanying the low pressure system and frontogenetical deformation aloft, generally north through northwest of the low in the 925 to 850 mb layer, should allow widespread precip to affect our region. Rain should change to wet snow generally from northwest to southeast via CAA, nocturnal cooling, and the wet-bulb effect. Model guidance continues to suggest the frontogenetical deformation aloft may allow strong ascent to be maximized in a cloudy DGZ for several hours over and near our I-75 corridor counties overnight Tuesday night. Thus, bursts of heavy snow with snowfall rates of 1 inch per hour or so are possible in these areas. Wet snow accumulations of 1 to 3 inches are possible along and near I-75 by daybreak. Farther east, any snow accumulations should average less than one inch. Low temperatures should reach the upper 20's to mid 30's around daybreak.

The trough aloft should shift from the Great Lakes to New England Wednesday and Wednesday night as a mid- to upper-level low develops within the trough. Behind this low, cyclonic westerly to northwesterly flow aloft and embedded shortwave disturbances affect our CWA. At the surface, the accompanying low may move from western PA to ME and should be followed by weak troughing lingering over the Great Lakes and vicinity. Widespread precip on the backside of the low should exit eastward Wednesday morning. However, additional and isolated showers are possible late Wednesday morning through early evening due to diurnal destabilization of the boundary layer and the aforementioned shortwave troughs. In addition, lake-enhanced/effect precip should occur generally southeast of Lake Erie amidst an unusually-cold northwesterly mean low-level flow Wednesday and Wednesday night. A rain/snow mix in the morning should change to plain rain by Wednesday afternoon as highs reach the upper 30's to lower 40's. Rain changes back to wet snow Wednesday night as lows reach the mid 20's to lower 30's. Additional minor snow accumulations are possible, especially in/near the snowbelt.

LONG TERM /THURSDAY THROUGH SUNDAY/. By Thursday, the cold air mass remains in place with cyclonic mid- to upper-level flow. In the low-levels, mean flow backs from northwesterly toward westerly. Lingering lake-enhanced/effect showers should persist in/near the snowbelt before ending by around nightfall Thursday as lake-induced CAPE wanes via low-level dry air advection. Outside the lake-induced precip, isolated showers are possible late Thursday morning through early evening in association with diurnal destabilization of the boundary layer and shortwave trough passages. Highs should only reach the lower 40's to lower 50's.

By Thursday night into Friday, upper ridging and surface high pressure arrive from the southwest and then crest eastward over our CWA Friday night. Our weather turns fair and more seasonable. Lows in the 30's Thursday night should be followed by highs in the mid 50's to lower 60's Friday. Lows should reach the upper 30's to lower 40's Friday night. Increased cloud cover and periods of rain are possible this weekend with the next low pressure system moving generally eastward across the Great Lakes region and OH Valley. Highs should reach the 50's to lower 60's Saturday and Sunday. Lows should reach the upper 30's to lower 40's Saturday night.

AVIATION /18Z Sunday THROUGH Friday/. Scattered showers are expanding on the TLVE radar across Northeast Ohio this afternoon as a trough moves through. These showers will tend to push inland from Lake Erie with time and largely depart to the east by 8 PM. We have had a few reports of small hail with a stronger shower near Lake Erie but generally expecting intermittent showers through 21Z at CAK/YNG. Can not rule out visibility briefly dropping to MVFR but not expecting a long enough window to include in a TEMPO. Lower clouds will scatter out this evening with a sct-bkn mid level cloud deck remaining tonight. Winds will shift to northwest behind the showers/trough then become 5 knots or less tonight. Southwest winds will increase on Tuesday and be breezy with gusts to 20-25 knots at TOL/FDY/MFD/CLE.

Outlook . Non-VFR possible with spotty rain showers through early Tuesday. MVFR to IFR prevailing conditions are possible along and behind the frontal passage Tuesday night into Wednesday with Non-VFR lingering in the east through Thursday.

MARINE. Quiet start to the forecast period with mainly light flow and waves 3 feet or less anticipated through Tuesday. Northeasterly winds of about 10 to 20 knots are expected Tuesday night and then back gradually toward westerly through Friday as a low moves northeastward from the Ohio Valley toward the Canadian Maritimes and interacts with a ridge building from the south and west. Winds may be as strong as 25 knots Thursday into Thursday night. Waves as large as 3 to 6 feet are expected, especially Wednesday through Friday. Small Craft Advisories will likely be needed.

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

SYNOPSIS . KEC NEAR TERM . KEC SHORT TERM . Jaszka LONG TERM . Jaszka AVIATION . KEC MARINE . Jaszka/Kahn


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
LORO1 14 mi57 min WSW 4.1 G 5.1 51°F
CNDO1 - 9063063 - Cleveland, OH 17 mi57 min W 5.1 G 6 50°F 51°F1011.5 hPa41°F
HHLO1 - Huron Light, OH 33 mi87 min N 5.1 G 7 53°F 1010.2 hPa (-0.6)
FAIO1 - 9063053 - Fairport, OH 41 mi57 min W 11 G 12 53°F 53°F1010.3 hPa45°F
MRHO1 - 9063079 - Marblehead, OH 43 mi57 min WNW 1.9 G 1.9 54°F 54°F1010.3 hPa36°F

Wind History for Cleveland, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland Hopkins International Airport, OH3 mi36 minSSW 910.00 miMostly Cloudy53°F42°F66%1013 hPa
Cleveland, Burke Lakefront Airport, OH14 mi34 minS 1010.00 miMostly Cloudy56°F43°F62%1011.4 hPa
Lorain / Elyria, Lorain County Regional Airport, OH15 mi34 minSSE 810.00 miOvercast53°F44°F72%1012 hPa

Link to 5 minute data for KCLE

Wind History from CLE (wind in knots)
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Last 24hrN4N4CalmCalmCalmSE3S5CalmCalmS5CalmS5SW3CalmS4SW5S4W7SW9
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1 day agoNW6NW7NW5CalmS3CalmNE10NE3N4N6N5W3NW3N3CalmNE4N6NE4CalmN6N11N6N6N6
2 days agoW10W11W10NW8NW7NW4W5NW7NW11NW6W8NW8NW7NW13NW11--NW9NW8NW12W12NW10W10NW13NW10

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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