Thursday, October1, 2020
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Marine Weather and Tides
Port Clinton, OH

Version 3.4
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8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
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 7:28AMSunset 7:15PM Thursday October 1, 2020 9:14 AM EDT (13:14 UTC) Moonrise 6:34PMMoonset 6:01AM Illumination 100% Phase: Full Moon; Moon at 14 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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LEZ143 Expires:202010011430;;632917 Fzus51 Kcle 010747 Nshcle Nearshore Marine Forecast National Weather Service Cleveland Oh 347 Am Edt Thu Oct 1 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. Lez142>145-011430- Lake Erie Nearshore Waters From Maumee Bay To Reno Beach Oh- Lake Erie Nearshore Waters From Reno Beach To The Islands Oh- Lake Erie Nearshore Waters From The Islands To Vermilion Oh- Lake Erie Nearshore Waters From Vermilion To Avon Point Oh- 347 Am Edt Thu Oct 1 2020
Today..Southwest winds 15 to 20 knots becoming west. A slight chance of waterspouts this afternoon. A chance of showers this afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Tonight..West winds 15 to 20 knots becoming northwest. A chance of waterspouts. A chance of showers in the evening, then a chance of showers with a slight chance of Thunderstorms overnight. Waves 1 to 3 feet building to 2 to 4 feet.
Friday..Northwest winds 15 to 20 knots diminishing to 10 to 15 knots. Mostly Sunny. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally around 6 feet. A small craft advisory may be needed.
Friday night..Northwest winds 5 to 15 knots becoming west less than 10 knots. Partly cloudy in the evening, then becoming mostly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less. Winds and waves higher in and near Thunderstorms. SEe lake erie open lakes forecast for Saturday through Monday. The water temperature off toledo is 65 degrees, off cleveland 68 degrees, and off erie 67 degrees.
LEZ143


7 Day Forecast for Marine Location Near Port Clinton, OH
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location: 41.53, -82.99     debug


Area Discussion for - Cleveland, OH
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FXUS61 KCLE 011113 AFDCLE

Area Forecast Discussion National Weather Service Cleveland OH 713 AM EDT Thu Oct 1 2020

SYNOPSIS. A trough over the northern Great Lakes will push south today, reaching Lake Erie tonight. This feature will stall over the lake Friday before high pressure builds from the west for the Saturday. A low pressure system will enter the Great Lakes region on Sunday.

NEAR TERM /THROUGH FRIDAY/. The boundary persists over central Lake Erie this morning and showers continue east into Ashtabula and Erie Counties. A land breeze has developed and is progressing north across the lake. This may interrupt convection later this morning and temporarily allow for a dry period in far NE OH/NW PA. Made changes based on these conditions but overall have a mix of likely and chance PoPs in the region.

Previous Discussion . A cold front departing to the east of the region has allowed for temperatures aloft to cool over warm Lake Erie and lake effect cloud and rain showers continue over far NE OH into NW PA this morning. Satellite and radar depict a boundary extending from Lake Erie into Ashtabula and Erie Counties then into western NY. This feature has been the main focus for scattered showers this morning and will keep chance PoPs in the forecast through this morning as this feature will persist and continue to bring rain to NE OH/NW PA.

Rain activity will increase through the day as better low level moisture enters the region. Another round of synoptically-driven rainfall is expected this afternoon as a surface trough approaches slowly from the north and a mid-level shortwave trough swings through the region. Believe that most activity will be scattered in nature and have chances PoPs; however, expect better chances in the NE OH/NW PA region with lake enhancement and have likely PoPs. High temperatures will underachieve from Wednesday with lower 60s and some locations in NE OH/NW PA staying in the upper 50s.

The surface trough reaches Lake Erie tonight and slows significantly as the mid-level wave exits to the east. This feature will generate showers over Lake Erie and push into NE OH/NW PA overnight. Rain should persist through the overnight into Friday as the lake will provide ample instability and moisture with a west to northwest fetch, while very cold air enters aloft. Thunder is certainly possibility with the cold temps aloft and the lake-induced instability and have maintained the slight chance thunder mention. The surface trough moves east on Friday and residual rain is possible in the snow belt region with favorable flow off the lake. Low temperatures tonight will be largely in the 40s, although some upper 30s are possible in NW OH, if clearing skies do occur. Highs on Friday will struggle even further behind the surface trough and will remain in the 50s.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. Broad upper trough will remain entrenched over the Great Lakes region through the period. Lingering lake effect rain will subside Friday night into Saturday as a surface trough moves east of the region and winds veer more southwest/southerly as high pressure builds into the Great Lakes/Ohio valley. A potent shortwave will move east across the Great Lakes Sunday and Sunday night with a surface low developing across the area. This will bring precip chances to the area, with some minor model timing and model solution differences precluding likely pops at this time, with high chance pops forecast at this time. Precip will diminish behind the low/trough Sunday night from west to east. Continued cool temperatures expected with highs in the upper 50s/low 60s and lows in the upper 30s to mid 40s. Friday night will be the coolest night of the stretch with the building ridge, with some of the typical outlying spots across northeast Ohio seeing some patchy frost.

LONG TERM /MONDAY THROUGH WEDNESDAY/. Ridging will build east across the region Monday and Monday night, with drying conditions and a brief warmup into Tuesday before the ridge shifts east and a broad large scale trough digs south through the Great Lakes. Model solutions are in fair agreement with the pattern into the middle of next week, with a surface low deepening and tracking east across the Great Lakes sometime Wednesday. Return flow should persist into the area through the period, with highs warming from the low 60s Monday to the mid/upper 60s by Wednesday. Precip chances could return as early as Wednesday but will be more likely just beyond this forecast period.

AVIATION /12Z Thursday THROUGH Monday/. A boundary with lake effect rain persists over central Lake Erie this morning and will allow for showers in and around the KERI terminal. Have maintained MVFR conditions in the TAF for now. A land breeze may interrupt convection in the region for a brief bit this morning and have KERI after 16z. A surface trough will enter the southern Great Lakes region today and bring increasing cloudiness across all terminals. With greater instability over the warm lake and the slow timing of this feature, expect rain to develop for the northern TAF sites this evening and tonight. Confidence of rain at KTOL remain low and have maintained a vicinity shower for now. Rain is much more certain at KCLE and KERI for the second half of the TAF period and have MVFR mentions for now, although IFR is definitely within the realm of possibility. Some of this rain could have thunder but confidence in TS is too low to mention in a TAF at this time, but could be added at a later time. Low clouds and lingering rain will persist into Friday, especially across NE OH and NW PA and have ceilings falling all across the area, including as far south as KYNG, KCAK, and KMFD. Winds through the period will be southwest with occasional gusts to 20 knots during the day. Winds will veer more west to northwest with the trough late in the period into Friday.

Outlook . Non-VFR possible across NE OH and NW PA with occasional rain showers through Friday night. Non-VFR possible with showers and low ceilings on Sunday and Monday.

MARINE. An active period on the lake continues through the end of the week, although winds this morning will continue to subside through early afternoon. Left the small craft advisory up east of Avon Point and cancelled west to Vermilion. Conditions may drop below advisory criteria later this morning/midday that could necessitate further cancellation, however this will be short lived as a cold front drops southeast to the lake later tonight. Wind will increase out of the northwest behind the front 15-20 kts after 06Z Friday, which will likely require another small craft advisory Friday. Winds will subside Friday night into Saturday as high pressure moves over the lake. Winds will become southerly Sunday into Sunday night as the high departs east, veering easterly then northerly Monday as low pressure passes south of the lake. With the trough over the lake today through Friday evening, waterspout potential will continue with any shower activity across the lake.

CLE WATCHES/WARNINGS/ADVISORIES. OH . Beach Hazards Statement until 5 PM EDT this afternoon for OHZ011-012-089. PA . Beach Hazards Statement until 5 PM EDT this afternoon for PAZ001. MARINE . Small Craft Advisory until 5 PM EDT this afternoon for LEZ146>149.

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CMPO1 2 mi105 min WSW 5.1 G 8 46°F
MRHO1 - 9063079 - Marblehead, OH 14 mi57 min SW 2.9 G 8.9 50°F 64°F1011.5 hPa42°F
TWCO1 18 mi45 min SW 15 G 19 47°F 63°F44°F
45165 19 mi35 min WSW 12 G 16 49°F 63°F1 ft
HHLO1 - Huron Light, OH 25 mi75 min SW 8.9 G 12 47°F 1011.2 hPa (+1.0)
OWXO1 - Old Woman Creek, OH 28 mi90 min SW 1.9 45°F 1013 hPa42°F
THRO1 - 9063085 - Toledo, OH 28 mi57 min WSW 6 G 8.9 48°F 1011.8 hPa42°F
45005 - W ERIE 28NM Northwest of Cleveland, OH 33 mi45 min WSW 16 G 19 55°F 1012.4 hPa49°F
LORO1 42 mi45 min SW 12 G 16 51°F

Wind History for Marblehead, OH
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Toledo - Toledo Executive Airport, OH26 mi22 minWSW 810.00 miFair48°F43°F83%1013.4 hPa

Link to 5 minute data for KTDZ

Wind History from TDZ (wind in knots)
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1 day agoSW8SW8SW6SW9SW10SW10SW7SW6SW7S3S4S6SW4SW3SW4SW6SW6SW5SW7SW9SW7SW11SW10SW11
2 days agoW3CalmSW4SW6W9NW11NW12W10NW10NW8W7W6SW6SW6SW7SW7SW8SW5SW6SW4SW4SW6SW4SW9

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
Ground Weather Radar Station Cleveland, OH
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