Sunday, July5, 2020
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Marine Weather and Tides
Lakeline, 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 5:56AMSunset 9:04PM Sunday July 5, 2020 4:50 PM EDT (20:50 UTC) Moonrise 8:50PMMoonset 5:10AM Illumination 100% Phase: Full Moon; Moon at 15 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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LEZ147 Expires:202007052015;;356336 Fzus51 Kcle 051339 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 939 Am Edt Sun Jul 5 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>148-052015- Lake Erie Nearshore Waters From Vermilion To Avon Point Oh- Lake Erie Nearshore Waters From Avon Point To Willowick Oh- Lake Erie Nearshore Waters From Willowick To Geneva-on- The Lake Oh-lake Erie Nearshore Waters From Geneva-on-the- Lake To Conneaut Oh- 939 Am Edt Sun Jul 5 2020
This afternoon..Northeast winds 10 knots or less. Sunny. Waves 1 foot or less.
Tonight..Northeast winds 10 knots or less becoming southeast. Mostly clear. Waves 1 foot or less.
Monday..South winds 10 knots or less becoming northeast. Sunny. Waves 1 foot or less.
Monday night..Northeast winds less than 10 knots becoming south. Mostly clear. Waves 1 foot or less. SEe lake erie open lakes forecast for Tuesday through Thursday. The water temperature off toledo is 77 degrees, off cleveland 67 degrees, and off erie 74 degrees.
LEZ147


7 Day Forecast for Marine Location Near Lakeline, OH
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location: 41.65, -81.45     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 051943 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 343 PM EDT Sun Jul 5 2020

SYNOPSIS. High pressure will persist over the area through midweek with continued hot temperatures. A weak trough will move over the region from the northwest Tuesday night into Wednesday. Rain chances will increase from mid to late week as the airmass becomes more humid. A cold front will move into the area on Friday.

NEAR TERM /THROUGH MONDAY NIGHT/. Persistent high pressure is the focus for the near term forecast as it remains centered over the central Great lakes. The airmass over the area has dried marginally and dewpoints this afternoon dropped to the mid 50s with PWATs around 0.75". Higher moisture remains just on the periphery of the area and will start to encroach into the area overnight with dewpoints rising into the lower 60s. Min temperatures tonight will be in the mid 60s as a result. Could see some redevelopment of haze late tonight/early Monday but with cross over temperatures in the mid 50s believe our min Temps tonight won't be cold enough to support any fog despite moisture advection. With a warmer start to the day, expect temperatures to reach a few degrees warmer than today's highs with much of the area reaching into the 90s. Still anticipate a lake breeze development in the afternoon.

A few factors have made me put a slight chance of isolated tsra into the forecast for tomorrow. We will see nw flow at 500mb which will marginally lower mid level temps, and an increase in PWATs to around 1.4". For anything to get going there will need to be a focusing mechanism to pool some moisture in order to support cloud and rain development, like the lakebreeze. With moisture profiles best in the NW have put the isol chances in this area, however could see some on the periphery of our southwestern counties like Marion, Wyandot, Hancock. The instability will not be a limitation, however the shear profiles are poor and insufficient for any organized storms. So essentially can't rule out a chance for a few pop up thunderstorms, mainly west. Any development will be short lived and gone by evening. Should the ridge remain stronger than anticipated it could be another dry afternoon with hardly a cloud visible. Going into Tuesday an approaching weak/decaying short wave topping the ridge in combination with a light synoptic surface wind flow (which should allow lake breezes to form) may be the catalyst needed to finally spark at least a few showers or storms during peak heating (early to mid afternoon on into the early evening hours). Do not expect much more than isolated to scattered coverage.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/. A shortwave trough aloft will enter the Great Lakes region on Tuesday and flatten the upper ridge that has been over area for the last several days. Ahead of this feature, low level moisture will increase over the area, allowing for a greater potential - albeit still widely scattered - for shower and thunderstorm activity with the diurnal cycle and off any lake breeze that may develop. Temperatures will remain hot as 850 mb temperatures of 20 to 22 C will mix down to the surface. This, along with the increase in moisture, will allow for heat indices to be on the rise into the mid to upper 90s on Tuesday. Some leftover cloud cover overnight could keep the area warmer well into the 70s for Tuesday night.

The surface trough enters on Wednesday and will allow for slightly better shower/storm chances across the area. The warmer start to the morning plus increasing low level moisture may allow for temperatures and heat indices to creep a degree or two higher on Wednesday. Some locations could see heat indices exceed the 100 degree mark and Wednesday will need to be monitored for a possible heat advisory.

LONG TERM /THURSDAY THROUGH SUNDAY/. The upper ridge will reestablish itself over the area on Thursday and the prolonged period of above normal temperatures will continue with highs in the low to mid 90s. Rain chances appear diminished on Thursday with warmer, capping air returning to the region. However, the heat and humidity are still around to allow for high indices to continue to be a concern. A more robust shortwave trough will enter the Great Lakes region for Friday into the weekend. This system will allow for modest heat relief for the weekend and while bringing more unsettled weather to the area.

AVIATION /18Z Sunday THROUGH Friday/. VFR conditions expected for the rest of the day across all terminals. Expect redevelopment of haze possible as subsidence cap lowers overnight. Don't believe fog is likely as dewpoints show some modest recovery and crossover temps this afternoon are in the mid 50s for the terminals apart from YNG/ERI in the lower 60s. Looking at another day of mostly sunny skies for Monday with light and variable winds becoming north with a lake breeze.

Outlook . Non-VFR in isolated thunderstorms on Tuesday and scattered thunderstorms on Wednesday.

MARINE. The marine weather remains extremely quiet for the first full week of July. Light and variable winds will continue through the next couple of days with high pressure near the area. A weak surface trough will approach the area on Wednesday, encouraging more southerly, offshore flow over the lake. High pressure returns on Thursday to allow for more light and variable flow to return to the area. A cold front will approach for Friday into the weekend and bring the next chance for any notable wind change. Diurnally-driven shower and thunderstorm activity is possible on Tuesday through Thursday with the best chance on Wednesday at this time.

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

SYNOPSIS . Jamison NEAR TERM . Jamison SHORT TERM . Sefcovic LONG TERM . Sefcovic AVIATION . Jamison MARINE . Sefcovic


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FAIO1 - 9063053 - Fairport, OH 12 mi51 min NE 5.1 G 5.1 77°F 77°F1015.6 hPa (-1.0)71°F
CNDO1 - 9063063 - Cleveland, OH 12 mi51 min NE 5.1 G 6 78°F 71°F1015.8 hPa (-1.0)65°F
45164 14 mi51 min 77°F
GELO1 - Geneva on the Lake, OH 29 mi81 min N 4.1 G 6 93°F
LORO1 41 mi61 min N 4.1 G 5.1 79°F

Wind History for Cleveland, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland / Cuyahoga, OH5 mi66 minNNE 820.00 miA Few Clouds84°F60°F45%1015.9 hPa
Cleveland, Burke Lakefront Airport, OH15 mi58 minN 710.00 miFair83°F66°F57%1015 hPa

Link to 5 minute data for KCGF

Wind History from CGF (wind in knots)
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Last 24hrNE8N9N5NE5NE4CalmCalmCalmCalmCalmCalmCalmSE3CalmCalmCalmCalmCalmS4N6NW6N7NW7NE8
1 day agoN7NW5N4NW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalm--CalmNE7N5N5N6N9NW8N8N9
2 days agoN6NW7N5NW5SW3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSW5W6W10W10NW10NW9W7W8W9

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 (16,3,4,5)
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Ground Weather Radar Station Cleveland, OH
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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.