Sunday, December8, 2019
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Marine Weather and Tides
Geneva-on-the-Lake, OH

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:40AMSunset 4:52PM Sunday December 8, 2019 4:51 PM EST (21:51 UTC) Moonrise 3:04PMMoonset 3:44AM Illumination 91% Phase: Waxing Gibbous; Moon at 12 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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LEZ168 Expires:201912090315;;054107 Fzus61 Kcle 082043 Glfle Open Lake Forecast For Lake Erie National Weather Service Cleveland Oh 343 Pm Est Sun Dec 8 2019 For Waters Beyond Five Nautical Miles Of Shore On Lake Erie 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.
Synopsis..Low pressure 29.70 inches from the southern plains will track northeast into the great lakes through Monday night, deepening to 29.00 inches as it reaches quebec on Tuesday. The low will pull a cold front east across lake erie on Tuesday with a stronger front to follow on Wednesday. High pressure 30.70 inches will build across the lake Wednesday night through Thursday, and into new england by Friday. Lez166>168-090315- lake erie open waters from avon point to willowick oh- lake erie open waters from willowick to geneva-on-the-lake oh- lake erie open waters from geneva-on-the-lake to conneaut oh- 343 pm est Sun dec 8 2019
Tonight..South winds 15 to 25 knots. A slight chance of showers after midnight. A chance of showers late. Waves 3 to 6 feet subsiding to 2 to 4 feet.
Monday..South winds 15 to 20 knots. Showers. Waves 2 to 4 feet.
Monday night..Southwest winds 15 to 25 knots becoming west to 30 knots. Rain showers likely in the evening, then a chance of rain showers overnight. Waves 2 to 4 feet building to 3 to 5 feet.
Tuesday..West winds 15 to 25 knots. Waves 3 to 6 feet.
Tuesday night..West winds 15 to 20 knots. Waves 4 to 7 feet. Waves occasionally around 9 feet.
Wednesday..West winds 15 to 25 knots becoming northwest 15 to 20 knots. A chance of snow showers during the day. Waves 4 to 7 feet subsiding to 3 to 5 feet. Waves occasionally around 9 feet.
Thursday..West winds 5 to 15 knots becoming south. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Friday..South winds 10 to 15 knots. A chance of rain showers Friday night. Waves 1 to 3 feet.
LEZ168


7 Day Forecast for Marine Location Near Geneva-on-the-Lake, OH
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location: 42.65, -81.21     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 082058 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 358 PM EST Sun Dec 8 2019

SYNOPSIS. A weakening cold front over southern Ontario will stall north of the lake overnight as low pressure takes shape over the central Plains. This deepening low pressure will move along the cold front and should track across southern Ontario. A strong cold front will move across the region Monday night. Colder air arrives in the wake of the front with an upper level trough lingering into Wednesday.

NEAR TERM /THROUGH MONDAY NIGHT/. Increasing southerly winds will assist in increasing the return of low level moisture and bring warmer temperatures into the region. Low pressure will deepen as it moves across the central Mississippi River Valley. The increased warm advection ahead of the low will help to produce a period of rainfall that that move across the region from southwest to northeast last tonight into Monday. The heaviest rainfall will be Monday morning/afternoon. Increased cloud cover tonight and the warm advection will keep lows in the 40s. Highs Monday afternoon should reach into the lower to middle 50s. Winds will be gusty through the afternoon but should remain below advisory levels.

The gusty winds continue into the night but believe the periods of rain will keep the region from mixing too deep. However it will be something for later shift to monitor. Otherwise expect to see the showers decrease from west to east after midnight. Cant rule out a mix with some snow as the precipitation ends, but now accumulations expected. The cold front will cross the area overnight with lows falling into the 30s.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/. Minor forecast changes with the short term period, with a slight downward trend in lake effect pops through the period. A cold front will be east of the forecast area at the onset of the period, as low pressure deepens northward through Quebec. The flow behind this front will be west to southwest Tuesday into Wednesday, with limited synoptic moisture outside of the 850mb layer. Instability looks to be marginal in this period as well, so backed down to low likely pops confined to northern Erie county. A secondary front will veer winds more northwest late Wednesday through Wednesday night, but very dry 850 mb air will quickly move southeast across the Great Lakes, which should curtail any appreciable accums across the local area. Ridging will build northeast into the region overnight, which will slowly bring an end to lake effect pops. Temperatures Tuesday will remain steady or fall behind the front, with low 30s by the afternoon. Highs on Wednesday will be in the upper 20s, with the current forecast colder than guidance. Lows Wednesday night will fall into the teens.

LONG TERM /THURSDAY THROUGH SUNDAY/. High pressure will build east of the region Thursday, with a period of prolonged Gulf return/WAA into the weekend. Moisture return increases Saturday/Sunday, with a southern stream wave lifting across the northeast CONUS and a northern stream wave moving into the Great Lakes bringing increase pop chances, although synoptic details lead to lower confidence at this point. Highs in the low 30s Thursday will warm into the 40s for the weekend.

AVIATION /18Z Sunday THROUGH Friday/. Low level moisture is increasing from south to north today with increasing low end VFR cloud cover. Expect these clouds to expand in coverage and attempt to lower overnight. Low pressure will deepen as it moves across the central Mississippi River Valley. The increased warm advection ahead of the low will help to produce a period of rainfall that that move across the region from southwest to northeast last tonight into Monday. Expect to see some MVFR ceiling develop as the showers persist and winds shift away from the downsloping trajectories across the east.

Winds remain gusty from the south through the night, especially in the favored downsloping areas. Winds increase from the southwest by Monday afternoon with gusts 20 to 32 knots possible.

OUTLOOK. Non-VFR possible Monday afternoon into Tuesday in rain. Non-VFR lingering across NE OH/NW PA Tuesday afternoon through Thursday with lake effect snow.

MARINE. Small Craft Advisory continues offshore of Erie PA with south winds around 20 kts becoming more southwesterly into the evening. The advisory may need to be cancelled early if trend continue, but will leave it as is for now. Winds will generally stay out of the south to southwest through Monday around 15-20 kts. A cold front crossing the lake Monday night into Tuesday will likely prompt another Small Craft Advisory as winds become westerly 20-25 kts. Winds decrease slightly Tuesday night but ramp up again Wednesday into Wednesday night, as another front crosses the lake. Winds become northwest behind this front into Thursday, with a brief period of 25-30 kts possible Wednesday night. Winds subside Thursday into Friday with high pressure building across the lake.

CLE WATCHES/WARNINGS/ADVISORIES. OH . None. PA . None. MARINE . Small Craft Advisory until 10 PM EST this evening for LEZ149.

SYNOPSIS . MM NEAR TERM . MM SHORT TERM . Greenawalt LONG TERM . Greenawalt AVIATION . MM MARINE . Greenawalt


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
GELO1 - Geneva on the Lake, OH 56 mi81 min S 8 G 13 52°F
FAIO1 - 9063053 - Fairport, OH 61 mi51 min S 15 G 24 50°F 37°F1015.9 hPa (-1.4)40°F

Wind History for Fairport, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Ashtabula - Northeast Ohio Regional Airport, OH66 mi58 minS 11 G 2010.00 miOvercast47°F37°F71%1018 hPa

Link to 5 minute data for KHZY

Wind History from HZY (wind in knots)
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Last 24hrCalmCalmCalmSE4S5S6SE4S5S6S8S9S7S6SE9S11S11
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1 day agoN4CalmNW5N6NW85NW9NW5NW4NW8NW7N3N3CalmCalm3NW3NW3W3CalmSW3S4SW3Calm
2 days agoW4CalmS3CalmCalmS5S5S4S7S5S6S9S8S9S9SW8SW7SW5W9NW8
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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 numerious 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.