Wednesday, August12, 2020
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Marine Weather and Tides
Painesville, 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 6:29AMSunset 8:30PM Wednesday August 12, 2020 7:31 PM EDT (23:31 UTC) Moonrise 12:00AMMoonset 2:12PM Illumination 34% Phase: Waning Crescent; Moon at 24 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:202008122015;;335671 Fzus51 Kcle 121352 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 952 Am Edt Wed Aug 12 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. Lez144>147-122015- Lake Erie Nearshore Waters From The Islands To Vermilion Oh- 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- 952 Am Edt Wed Aug 12 2020
This afternoon..Northeast winds 5 to 10 knots. Partly Sunny. Waves 1 foot or less.
Tonight..Northeast winds 5 to 10 knots becoming east. Partly cloudy. Waves 1 foot or less.
Thursday..East winds 5 to 15 knots becoming northeast. Mostly Sunny. Waves 1 to 3 feet.
Thursday night..Northeast winds 5 to 15 knots becoming east. Mostly clear. Waves 1 to 3 feet. SEe lake erie open lakes forecast for Friday through Sunday. The water temperature off toledo is 77 degrees, off cleveland 75 degrees, and off erie 77 degrees.
LEZ147


7 Day Forecast for Marine Location Near Painesville, OH
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location: 41.72, -81.24     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 122317 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 717 PM EDT Wed Aug 12 2020

SYNOPSIS. High pressure will continue to persist across the Great Lakes region through Thursday. Upper ridging will begin to gradually exit the region to the east on Friday. By Sunday, a cold front will approach the area from the west.

NEAR TERM /THROUGH THURSDAY NIGHT/. Only made minor changes to hourly temperatures and sky cover to reflect current trends.

Previous Discussion . Fairly quiet short term period with high pressure persisting across the area through Thursday night. Highs will reach the low to mid 80s today with a stationary front appearing to exist over the southern portion of our area, characterized by dew points in the mid to upper 60s and by the presence of low-level cumulus clouds. However, the presence of mid-level dry air will inhibit any shower activity today.

Similar setup expected tomorrow, though slightly drier mid- level air is expected to arrive. A few models are indicating some boundary level mixing occurring in the afternoon hours, which could lower dew points into the mid to upper 50s across the area, contributing to highs in the upper 80s to perhaps even lower 90s. A small area of low-level moisture could also arrive tomorrow afternoon in the southeast portion of the area near YNG/CAK. This could result in a few isolated showers, but not expecting any thunder.

SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/. Much uncertainty remains for the forecast over the weekend across the lower Great Lakes. The GFS/GEFS/NAM greatly develop and area of convection over the mid Mississippi Valley on Friday that might be convective feedback enhanced and develops an attendant surface low over the lower Ohio Valley and moves that feature into Ohio on Saturday. Meanwhile the 00Z/12Z runs of the ECMWF maintain shortwave ridging over the region with a dry northeast surface flow. The upper ridge on the euro breaks down for Sunday as another trough to the northwest moves east and drags a cold front into the region in the afternoon while never really advecting the deeper moisture to the south into the region like the GFS/NAM. Moisture will likely be slow to move north into the region Saturday so will tend to favor the drier euro solution. The highest chance will be south of US route 30. The approach of the cold front from the northwest on Sunday may help focus showers and storms over the eastern and central portions of the region. Friday will be warmer given the rising 850 mb temperatures and less cloud cover than over the weekend.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. A long wave trough begins to establish itself over eastern Canada and the ne US for early next week. The rather weak cool front on Sunday night will shift southeast and be reinforced Monday night will a stronger frontal passage which may pass nearly dry. A cooler and less humid air mass will build by to the north for Tuesday into Wednesday.

AVIATION /00Z Thursday THROUGH Monday/. High cloud cover continues to flow over the eastern half of the region. There is enough dry air across the region to keep any low clouds from developing overnight. Cant completely rule out some patchy fog in a few valleys but believe it would only be brief across the east. the TAFs.

Winds mainly out of the north/northeast at 5 to 10 knots. Winds strongest near the lakeshore.

Outlook . Non-VFR with isolated to scattered showers and thunderstorms Friday night through Sunday night.

MARINE. High pressure will persist over the Great Lakes through Thursday with predominately east to northeast flow, 10 to 15 knots, expected across the lake. Although a prolonged period of onshore flow is expected, lakeshore flooding does not appear likely. Winds will become more southerly Saturday night, 10 to 15 knots, ahead of an approaching trough but will shift back to northerly, generally around 10 knots, with the passage of a cold front on Sunday night.

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

SYNOPSIS . Kahn NEAR TERM . Kahn/MM SHORT TERM . LaPlante LONG TERM . LaPlante AVIATION . MM MARINE . LaPlante


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FAIO1 - 9063053 - Fairport, OH 4 mi44 min NE 8 G 8.9 76°F 78°F1018 hPa62°F
GELO1 - Geneva on the Lake, OH 17 mi62 min NE 7 G 8 92°F
45164 24 mi32 min 77°F1 ft
CNDO1 - 9063063 - Cleveland, OH 24 mi44 min 77°F 75°F1019 hPa57°F

Wind History for Fairport, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland / Cuyahoga, OH16 mi47 minNE 620.00 miPartly Cloudy79°F57°F48%1019.3 hPa

Link to 5 minute data for KCGF

Wind History from CGF (wind in knots)
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Last 24hrW4CalmCalmCalmN8NE7CalmCalmCalmCalmCalmCalmCalmE3E7NE10NE9E5E5N10NE8NE10N7NE6
1 day agoSW6S3S4S5S5S9S8S7S9----SW9W10W10W6W6W6W7W6W7W10W10W10NW7
2 days agoNW4CalmS4S4S3S5S5S6S6SW5S5CalmS4S5S6SW7S9S10NW5NW5SW7SW9S6SW8

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Cleveland, OH (19,4,5,8)
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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.