Monday, January20, 2020
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Marine Weather and Tides
Mentor, 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 7:45AMSunset 5:26PM Monday January 20, 2020 11:53 PM EST (04:53 UTC) Moonrise 3:56AMMoonset 1:52PM Illumination 17% Phase: Waning Crescent; Moon at 26 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 Lake Erie Nearshore Waters From Willowick To Geneva-on- The Lake Oh-lake Erie Nearshore Waters From Geneva-on-the- Lake To Conneaut Oh- Lake Erie Nearshore Waters From Conneaut Oh To Ripley Ny- 956 Pm Est Mon Jan 20 2020
Rest of tonight..Northwest winds 5 to 15 knots. Isolated snow showers late this evening, then scattered snow showers after midnight. Isolated snow showers late. Waves 2 feet or less.
Tuesday..West winds 5 to 15 knots increasing to 15 to 20 knots. Isolated snow showers. Waves 1 to 3 feet building to 2 to 4 feet.
Tuesday night..Southwest winds 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 6 feet.
Wednesday..Southwest winds 5 to 15 knots. Mostly Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet. SEe lake erie open lakes forecast for Thursday through Saturday. The water temperature off toledo is 37 degrees, off cleveland 38 degrees, and off erie 37 degrees.
LEZ147 Expires:202001210915;;269346 FZUS51 KCLE 210256 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 956 PM EST Mon Jan 20 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. LEZ147>149-210915-


7 Day Forecast for Marine Location Near Mentor, OH
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location: 41.69, -81.34     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 210304 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 1004 PM EST Mon Jan 20 2020

SYNOPSIS. High pressure over the northern Plains will gradually shift eastward reaching central Ohio by Tuesday evening. The high will shift to the east coast by Wednesday night. The next area of low pressure will attempt to develop near the Gulf Coast States on Thursday and may move to near the Ohio River Valley Friday night.

NEAR TERM /THROUGH TUESDAY NIGHT/. More minor adjustments with the mid evening update, but the bulk of the forecast remains on track. Cloud cover remains tricky, with upstream Lake Michigan cloud cover already working back into the Toledo area. This cloud cover should slowly work southeast overnight across the rest of the western half of the area.

Original discussion . For tonight the snow showers will linger but believe inversion heights will fall overnight as drier air continues to filter across the region. The flow should begin to direct the remaining snow showers up the lakeshore toward extreme NE OH/NW PA. Any accumulations should be light with a fluffy 1-2 inches possible at a couple locations. The cloud cover forecast is difficult and will impact the low temperatures. Current thinking keeps cloud cover thickest across the central and eastern CWA. Locations that clear will see lows approach 10 degrees. Elsewhere teens will be common.

The snow showers should finally end by Tuesday afternoon across NW PA as high pressure takes control of the region. Cloud cover will be slow to decrease with some low level moisture trapped under the high. Most locations should at least see some glimpses of sun, most numerous across the west. Highs warm to the middle to upper 20s at most locations with a few locations across the west touching 30 degrees.

High pressure will control the region Tuesday night. Clouds should thin across the area with another cold night expected. Lows should dip into the teens, maybe slightly cooler south.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/. An eastward-moving high pressure ridge aloft crests over our CWA on Wednesday as the associated surface high drifts over Pennsylvania. Flow aloft then becomes increasingly southwesterly over our region Wednesday night through Thursday night as the aforementioned ridge begins exiting our CWA to the east. Simultaneously, an eastward- moving longwave trough deepens over the central U.S. and vicinity, with its embedded mid- to upper-level low becoming centered over Missouri by the end of the period.

The above pattern will likely provide us with fair weather Wednesday through Thursday. Isentropic lift aloft may generate a few snow showers along/near the I-75 corridor Thursday night. However, little or no snow accumulation is expected. Temperatures moderate via warm- air advection and will trend above-normal through the period. Highs in the mid to upper 30's Wednesday afternoon should be followed by lows in the 20's Wednesday night. Afternoon highs on Thursday should primarily reach the lower to mid 40's, while low temperatures should dip into the mid 20's to lower 30's Thursday night.

LONG TERM /FRIDAY THROUGH MONDAY/. As the aforementioned longwave trough moves eastward, its nearly vertically-stacked low pressure center should move from Missouri around daybreak Friday to near the Mid-Ohio Valley by daybreak Saturday. This nearly vertically-stacked low should then become centered in vicinity of the Gulf of Maine by daybreak Monday. Given models are coming into better agreement with the track and evolution of this low, it appears the low will track just south of our CWA, keeping our CWA within the low pressure system's cool sector. Accordingly, periods of precipitation via isentropic lift Friday into Saturday morning should transition to wraparound precip later Saturday. Precip should then end from west to east Sunday morning through evening as high pressure at the surface and aloft builds from the west. The precip should primarily fall as rain, but rain should mix with or change to wet snow during the cooler evening through early morning hours. Low temperatures should be in the lower to mid 30's Friday night and Saturday night. Afternoon highs should primarily reach the 40's on Friday, while Saturday and Sunday should have afternoon highs in the upper 30's to lower 40's.

Fair weather should return to our entire CWA Sunday night and Monday as high pressure at the surface and aloft continues building from the west. Forecast low temperatures are in the mid 20's to lower 30's for Sunday night. Monday afternoon highs should reach the upper 30's to lower 40's.

AVIATION /00Z Tuesday THROUGH Saturday/. Lake effect ceilings will be the primary focus of the TAFs during the period. Most sites will sit at MVFR/low VFR ceilings through much of the night, with some slight diurnal lowering of the clouds overnight. A few spots may scatter/clear for a bit, especially KFDY and KTOL, before a brief uptick in low level moisture early tomorrow morning. If clouds can break up sufficiently at sites with a decent snow pack, some BR development could cause further reductions around 12Z, but no mention in the TAFs at this point. Light northwest winds will become nearly calm overnight, increasing out of the west during the day Tuesday.

OUTLOOK. Non-VFR possible Thursday night into Friday in light snow.

MARINE. Quiet marine conditions are expected the rest of today through Tuesday morning as winds back from northwesterly to westerly. These winds should tend to be no stronger than 10 to 15 knots. Winds should then back to southwesterly and strengthen slightly to about 15 to 22 knots Tuesday afternoon through daybreak Wednesday. During this period, waves could build to as high as 3 to 5 feet and a Small Craft Advisory may be needed, especially east of Willowick.

Quieter conditions should return to all of Lake Erie later Wednesday morning through Saturday. Winds should back from southwesterly to southerly later Wednesday morning through Thursday morning. Southeasterly winds are forecast Thursday afternoon/evening before becoming easterly on Friday. Winds should then tend to be easterly to northeasterly on Saturday.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FAIO1 - 9063053 - Fairport, OH 6 mi59 min 24°F 33°F1033.7 hPa12°F
CNDO1 - 9063063 - Cleveland, OH 19 mi59 min 25°F 38°F1033.8 hPa9°F
GELO1 - Geneva on the Lake, OH 23 mi83 min NW 11 G 14 32°F
LORO1 48 mi83 min NW 8.9 G 12

Wind History for Fairport, OH
(wind in knots)    EDIT      (on/off)   Help
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G42

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland / Cuyahoga, OH11 mi68 minN 510.00 miOvercast23°F14°F68%1033.5 hPa
Cleveland, Burke Lakefront Airport, OH22 mi60 minNW 910.00 miMostly Cloudy25°F10°F53%1034.9 hPa

Link to 5 minute data for KCGF

Wind History from CGF (wind in knots)
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Last 24hrNW5N5N6N4N5N5NW3N6N6NE5NE5N7N7NE7NE7CalmN4N6NW7NW5N6N5N5NW6
1 day agoW24
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SW14W12SW16W16W13SW12SW13SW13W7W7N7NW7
2 days agoE5SE6SE10
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W15W12W13
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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 GreatLakes    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 (23,6,7,8)
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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.