Tuesday, June27, 2017 L-36.com


Marine Weather and Tides
Mentor, OH

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 5:51AMSunset 9:05PM Tuesday June 27, 2017 1:36 PM EDT (17:36 UTC) Moonrise 8:58AMMoonset 10:56PM Illumination 14% Phase: Waxing Crescent; Moon at 4 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 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- Lake Erie Nearshore Waters From Conneaut Oh To Ripley Ny- 346 Am Edt Tue Jun 27 2017
.small craft advisory in effect through this evening...
Today..West winds 15 to 20 knots. A chance of waterspouts this morning. A chance of showers and Thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet. Waves occasionally around 6 feet.
Tonight..West winds 15 to 20 knots becoming southwest 5 to 15 knots. A chance of showers in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Wednesday..Southwest winds 5 to 15 knots. Mostly Sunny. Waves 2 feet or less.
Wednesday night..South winds 5 to 15 knots increasing to 15 to 20 knots. A chance of showers and Thunderstorms overnight. Waves 2 feet or less. Winds and waves higher in and near Thunderstorms. SEe lake erie open lakes forecast for Thursday through Saturday. The water temperature off toledo is 71 degrees...off cleveland 69 degrees and off erie 72 degrees.
LEZ147 Expires:201706271415;;889455 FZUS51 KCLE 270746 NSHCLE Nearshore Marine Forecast National Weather Service Cleveland OH 346 AM EDT Tue Jun 27 2017 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. LEZ146>149-271415-

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 271347
afdcle
area forecast discussion
national weather service cleveland oh
947 am edt Tue jun 27 2017

Synopsis
A strong cold front will push across the area today
reinforcing the unseasonably cool air across the forecast area.

Low pressure will track across the northern lakes Thursday dragging
another front across the area. The front will stall and linger near
the area into Friday.

Near term until 6 pm this evening
Showers have moved off the lake and over inland NE oh. Have not
seen much development the past hour or so but the new guidance
coming continues to show more development. Have gone ahead and
expanded the precip mention to where needed. Minor adjustments
to clouds and temps away.

Original discussion...

strong cold front over NW oh will move across the forecast area this
morning for a reinforcing shot of cold air. Expect most of the
convection over the lake to move east of the area by daybreak with
the front. However the 850mb temps plunge to 4c behind the front
so do expect some lake effect showers to develop later today. High
pressure builds over the area tonight chocking off the chance
of precip and allowing temps to dip into the lower 50s tonight.

Short term 6 pm this evening through Wednesday night
Wednesday night low pressure moves into the western lakes lifting a
warm front northeast across the region. Initially the best moisture
and instability will be well west of the region. Overnight
moisture increases however the axis of best instability remains to
our west and northwest. Its possible that convection will be getting
close to the area towards morning Thursday however so will have
chance pops after midnight across the far northern and western
counties. Thursday the axis of best instability lays over east west
across the area associated with a weak front. Flow will continue out
of the glfmx region into the area. Will continue with likely pops
across much of the area lasting through Friday. Highs close to
normal.

Long term Thursday through Monday
Saturday drier air will begin moving in from the west behind a cold
front. Will still have chance pops everywhere however through the
day. Saturday night will have only a small chance pop east. Sunday
and Sunday night dry. Monday both the GFS and ECMWF show an small
upper system developing to our west and moving across the area
through the afternoon and the overnight. So for Monday will have
chance pops with best chance west. Temps again near normal.

Aviation 12z Tuesday through Saturday
Front now through cle and will move east of the forecast area by
mid morning. Convection has moved east for the most part... But
could still see lake effect showers develop this afternoon as
850mb temps dip to 4c and a secondary trough moves across the
lake.

Outlook... Thunderstorms possible again Thursday into Friday.

Marine
Cold front is now into the western basin and will move across the
lake this morning. West winds of 10 to 20 knots will turn to the
northwest behind the front. The 850mb temps plunge to 4c with a
lake temp near 21c definite potential for water spouts again this
morning. Winds will gradually diminish below small craft advisory
criteria this evening.

Thursday winds will increase from the southwest to 15 to 25 knots as
low pressure moves through the central lakes. Friday look for winds
from the southwest 10 to 15 knots as the gradient relaxes. Winds
will remain 10 to 15 knots or so from the southwest through
Saturday. Expect decent chances for thunderstorms Thursday through
Saturday.

Cle watches warnings advisories
Oh... Beach hazards statement through this evening for ohz011-012-
089.

Pa... Beach hazards statement through this evening for paz001.

Marine... Small craft advisory until 10 pm edt this evening for
lez146>149.

Synopsis... Djb
near term... Djb
short term... Tk
long term... Tk
aviation... Djb
marine... Djb tk


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
FAIO1 - 9063053 - Fairport, OH 6 mi48 min W 18 G 21 62°F 1018.1 hPa50°F
CNDO1 - 9063063 - Cleveland, OH 19 mi48 min WNW 13 G 17 61°F 49°F
45164 19 mi96 min NW 14 58°F 67°F1018.5 hPa (+1.5)
GELO1 - Geneva on the Lake, OH 23 mi76 min WNW 16 G 21 59°F
45176 25 mi26 min NW 16 G 16 62°F 71°F3 ft1019.1 hPa52°F
45169 26 mi26 min WNW 14 G 19 63°F 69°F3 ft1019.4 hPa51°F
CBLO1 - Conneaut Breakwater Light, OH 46 mi36 min WNW 20 G 24 59°F 1017.6 hPa (+1.0)

Wind History for Fairport, OH
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W21
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G28

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Cleveland / Cuyahoga, OH11 mi1.9 hrsNW 10 G 1810.00 miMostly Cloudy63°F51°F68%1018.6 hPa
Cleveland, Burke Lakefront Airport, OH22 mi43 minW 1010.00 miPartly Cloudy65°F51°F61%1018.5 hPa

Wind History from CGF (wind in knots)
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Last 24hrNW15
G22
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W10NW14W9W12W9S10SW15
G25
W10--------------NW8W8W6NW12W13NW10
G18
1 day agoW15
G24
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W9NW12W10--W7SW4--------------SW6SW8W12W8W12NW15
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2 days agoW12NW18NW14
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NW14W12W12W10--------------SW7SW8W15W14W16W16
G22

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of GreatLakes    EDIT
Geos

Wind Forecast for Cleveland, OH (13,3,4,5)
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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 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.