Tuesday, August11, 2020
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Marine Weather and Tides
Euclid, OH

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:30AMSunset 8:32PM Tuesday August 11, 2020 3:16 PM EDT (19:16 UTC) Moonrise 11:37PMMoonset 1:11PM Illumination 47% Phase: Third Quarter Moon; Moon at 22 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:202008111415;;269987 Fzus51 Kcle 110754 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 354 Am Edt Tue Aug 11 2020 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. Lez145-146-111415- Lake Erie Nearshore Waters From Vermilion To Avon Point Oh- Lake Erie Nearshore Waters From Avon Point To Willowick Oh- 354 Am Edt Tue Aug 11 2020
Today..Southwest winds 10 to 20 knots becoming west 5 to 15 knots. A chance of waterspouts through early afternoon. A slight chance of showers this afternoon. Waves 1 to 3 feet.
Tonight..Northwest winds 10 knots or less becoming east. Partly cloudy. Waves 1 foot or less.
Wednesday..Light and variable winds becoming north 5 to 10 knots. Mostly Sunny. Waves 1 foot or less.
Wednesday night..Northeast winds 10 knots or less becoming east. Mostly clear. Waves 1 foot or less. SEe lake erie open lakes forecast for Thursday through Saturday. The water temperature off toledo is 75 degrees, off cleveland 75 degrees, and off erie 77 degrees.
LEZ146


7 Day Forecast for Marine Location Near Euclid, OH
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location: 41.61, -81.5     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 111710 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 110 PM EDT Tue Aug 11 2020

SYNOPSIS. High pressure that has been impacting the area is now centered over the southeastern United States. A cold front will move across the area this afternoon. High pressure will build back across the area for Wednesday and Thursday and begin moving northeastward out of the area by Friday.

NEAR TERM /THROUGH WEDNESDAY/. Update . Most of the near-term forecast remains valid. The cool front's forward progress has slowed over the past several hours. As of noon, the front extended from just west of Toronto and Cleveland to just east of Columbus. This eastward-moving front is still expected to exit our CWA by late this afternoon. There is only a slight chance of a few showers and thunderstorms along this front, especially east of I-71. Low-level cloud cover ahead of the front is expected to continue to rise and scatter-out gradually via daytime warming, which will limit warm sector destabilization. In addition to weak instability, rather dry air in/near the 700 mb to 300 mb layer and weak vertical wind shear should limit the organization and intensity of any shower or storm that manages to develop. Since the probability of showers and storms is only 30% at most, odds favor a dry cool frontal passage.

Previous Discussion . Through the near term forecast period, multiple embedded shortwave troughs will traverse through a nearly zonal upper level flow over the area. At the surface, the remnants of a weak high pressure system will continue to move east out of the area as a cold front moves across the area this afternoon. Models have backed off significantly on precipitation chances across the area, even with moisture values remaining high with dewpoints approaching the low 70s across the CWA today. A key player today will be the development of the lake breeze and the convergent boundary that develops inland. For that reason, opted to focus PoPs inland along eastern lakeshore. Showers/thunderstorms are not expected to be widespread and will likely diminish near sunset as diurnal instability is lost. Dry conditions are expected overnight. High temperatures today will be in the mid 80s with muggy conditions across the area. Overnight low temperatures will be in the low to mid 60s.

On Wednesday, a frontal system begins to move north across the Ohio Valley and becomes quasi-stationary along the southern tier of the CWA. Models suggest a strong moisture gradient with this boundary, keeping limited low level moisture from moving into the northern counties. Although the northern counties will be drier, lingering mid-level moisture may allow a diurnal shower/thunderstorm to develop across the northern tier of counties. Overall, counties north of the US-30 corridor mostly dry on Wednesday with a better chance of showers south of US-30. High temperatures on Wednesday will be in the mid 80s and it will be a bit less muggy.

SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY NIGHT/. High pressure centered near Hudson Bay will extend south across the Great Lakes region for the second half of the week. This will result in a dry weather for Thursday with very dry soundings over the region. Will continue with a low chance of thunderstorms developing by Friday as a minimal amount of moisture begins to spread back north on the backside of the departing high. The upper level pattern will feature an amplified upper level ridge in the northern stream over the Great Lakes while an ill defined upper level trough/series of shortwaves drifts east across the Mid- Mississippi/Ohio Valleys. The 00Z GFS is an outlier with the speed and placement of the upper level wave and return moisture into the region by Friday with expanding chances of showers and thunderstorms. Will maintain just a low chance pop mainly across NW Ohio on Friday afternoon. Otherwise the second half of the work week will be generally quiet with highs trending back to the mid and upper 80s.

LONG TERM /SATURDAY THROUGH TUESDAY/. Coverage of scattered showers and thunderstorms will tick up on Saturday and Sunday as moisture return continues to expand northward ahead of the poorly organized upper trough drifting east through the Ohio Valley. A much stronger upper trough will approach from the northwest Sunday into Monday with a cold front crossing the area on Monday. The previous forecast already highlighted the best chance of showers and thunderstorms on Sunday then lingering across eastern areas on Monday. We will continue to monitor the evolution of the feature and make any necessary timing adjustments. High temperatures in the 80s over the weekend will experience a downward trend behind the front by Tuesday.

AVIATION /18Z Tuesday THROUGH Sunday/. Mainly VFR expected next 24-hours. A surface cool front extended south-southwestward from just east of YYZ (Toronto, ON) to just west of KERI/KYNG and just east of KCRW as of 17Z/Tue. This front continues drifting eastward and should exit our region to the east by 20Z/Tue. Limited instability ahead of the front will likely prevent shower or thunderstorm formation along the front. West-southwesterly surface winds veer to westerly at about 5 to 10 knots with the passage of the front.

Behind the front, a surface high pressure ridge builds eastward through 18Z/Wed. Surface winds likely become light and variable during the 00Z through 13Z/Wed time period. Thereafter, surface winds trend northeasterly to northerly at about 5 to 10 knots. Of note, nocturnal cooling should allow a broken stratus deck to develop after 00Z/Wed. This low-level cloud deck should then scatter-out via daytime heating after 13Z/Tue. The broken stratus deck should yield borderline VFR/MVFR ceilings. Patchy fog formation is possible between about 09Z and 12Z/Wed, especially inland from Lake Erie. Any fog would yield MFVR to LIFR.

Outlook . Non-VFR possible with occasional showers and thunderstorms Friday afternoon through Sunday.

MARINE. Winds will be on the increase today as a compact trough swings east across Lake Erie. Southerly winds of 10 to 20 knots this morning will become southwesterly at 15 to 20 knots behind the trough with briefly higher wind speeds possible where the best convergence sets up on the far east end of the lake. Choppy conditions are expected east of Cleveland as the fetch increases with 2 to 4 foot waves in the nearshore waters. We may be close to needing a Small Craft Advisory towards Erie PA but at this time conditions are expected to remain just below with a moderate swimming risk. This trough may also provide a focus for a few waterspouts today and added a chance to the forecast.

High pressure will build over the Central Great Lakes tonight and linger into Friday before shifting to New England. Lake breezes expected on Wednesday followed by a stretch of northeast to easterly flow on the lake through Friday.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CNDO1 - 9063063 - Cleveland, OH 9 mi46 min WNW 9.9 G 13 76°F 76°F1014.6 hPa68°F
45164 13 mi76 min 76°F2 ft
FAIO1 - 9063053 - Fairport, OH 16 mi46 min W 15 G 16 79°F 78°F1013.3 hPa71°F
GELO1 - Geneva on the Lake, OH 33 mi106 min W 14 G 16 91°F
LORO1 38 mi46 min NW 9.9 G 12 78°F
45005 - W ERIE 28NM Northwest of Cleveland, OH 48 mi26 min WSW 5.8 G 7.8 76°F 76°F1 ft1014 hPa69°F

Wind History for Cleveland, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland / Cuyahoga, OH2 mi31 minWNW 710.00 miPartly Cloudy79°F69°F74%1014.9 hPa
Cleveland, Burke Lakefront Airport, OH11 mi23 minWNW 1210.00 miMostly Cloudy82°F69°F65%1013.7 hPa
Cleveland Hopkins International Airport, OH23 mi25 minWNW 910.00 miMostly Cloudy82°F66°F58%1014.6 hPa

Link to 5 minute data for KCGF

Wind History from CGF (wind in knots)
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Last 24hrSW7SW9S6SW8SW6S3S4S5S5S9S8S7S9----SW9W10W10W6W6W6W7W6W7
1 day agoNW5W5NW6NW6NW4CalmS4S4S3S5S5S6S6SW5S5CalmS4S5S6SW7S9S10NW5NW5
2 days agoCalmN8N6N4N4N4CalmS6CalmCalmSE5SE4SE7SE6SE6CalmS5SW6SW7W7W10NW8W5NW3

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Cleveland, OH (15,3,4,5)
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Ground Weather Radar Station Cleveland, OH
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.