Thursday, July2, 2020
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Marine Weather and Tides
Greece, NY

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 5:33AMSunset 8:55PM Thursday July 2, 2020 5:48 PM EDT (21:48 UTC) Moonrise 5:35PMMoonset 2:20AM Illumination 92% 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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LOZ043 Hamlin Beach To Mexico Bay Along Lake Ontario Including Irondequoit Bay- 418 Pm Edt Thu Jul 2 2020
Tonight..West winds 10 to 15 knots. Partly cloudy. Waves 1 to 3 feet.
Friday..West winds 5 to 10 knots becoming northwest. Mostly Sunny. Waves 1 to 2 feet.
Friday night..Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. Waves 1 foot or less.
Saturday..Light and variable winds. Sunny. Waves 1 foot or less.
Saturday night and Sunday ..West winds 10 knots or less becoming southwest. Mainly clear. Waves 1 foot or less.
Monday..Southeast winds 10 knots or less. Partly Sunny. Waves 1 foot or less.
Tuesday..South winds 5 to 10 knots. Mostly Sunny. Waves 1 foot or less. The water temperature off rochester is 65 degrees.
LOZ043 Expires:202007030330;;213812 FZUS51 KBUF 022018 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 418 PM EDT Thu Jul 2 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. LOZ043-044-030330-


7 Day Forecast for Marine Location Near Greece, NY
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location: 43.29, -77.68     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 022027 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 427 PM EDT Thu Jul 2 2020

SYNOPSIS. A prolonged stretch of uncomfortably warm and humid weather is upon us In fact. apparent temperatures each day next week are forecast to climb to levels that would require heat advisories for parts of the region Otherwise. there will be little in the way of any needed rainfall. The highest chances for showers and storms will be across the Eastern Lake Ontario region.

NEAR TERM /THROUGH FRIDAY/. A cold front approaching the Saint Lawrence Valley will bring increasing chance for showers and thunderstorms across the Saint Lawrence Valley and North Country this evening. Instability will diminish with nightfall, but will still be ample to support showers and thunderstorms in combination with a frontal passage. It will be another warm night, with lows in the mid to upper 60s.

On Friday, the frontal boundary will stall across the region, with daytime instability supporting scattered showers and thunderstorms.

SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/. Behind a cold front any lingering convection will quickly end through the evening hours with the loss of daytime heating. A drier airmass will push into the North Country Friday night and Saturday . however dewpoints will not lower as much across WNY as some low level moisture lingers. None the less it will still be less humid for Saturday with warm afternoon temperatures in the mid to upper 80s.

LONG TERM /SUNDAY THROUGH THURSDAY/. . Heat Advisories May Be Needed for Much of this Period .

An upper level ridge will push eastward this period, pushing 850 hPa temperatures of +18 to +21C across our region. However, with the westerly flow aloft, and no deep southerly flow transporting Gulf of Mexico moisture northward . moisture will not increase dramatically and PWATS through much of the period range from 1.0 to 1.5 inches. This moisture (PWATs just over 1.5 inches) and surface dewpoints will peak Tuesday night and Wednesday ahead of a shortwave trough.

Surface temperatures will build with mid 80s to lower 90s common through the period. With the drying ground it is not out of the question that we could see some mid 90s . especially in the Genesee Valley where winds will downslope. Though hot, moderate levels of humidity will hold back apparent temperatures early in the week . and not until mid-week as surface moisture increases that we may near heat advisory levels (95F).

Have aimed above most guidance packages for temps . staying in the upper quartile of packages.

AVIATION /21Z THURSDAY THROUGH TUESDAY/. Expect mainly VFR flight conditions through 09Z. Some showers and thunderstorms are expected across the St. Lawrence valley this evening, ahead of a cold front approaching from southeast Canada. This may briefly impact the KART terminal, but will remain to the east of other TAF locations.

Expect some MVFR stratus behind the cold front near KART Friday morning, with scattered clouds and VFR flight conditions elsewhere. A few showers and thunderstorms are possible on Friday, especially during the afternoon hours. These will mainly be well inland from the lakes, with only a small chance of impacting our TAF sites.

Outlook .

Friday Night through Tuesday . Mainly VFR.

MARINE. Mariners on the Saint Lawrence River and near the eastern Lake Ontario shoreline will need to watch for some stronger storms arriving from the northwest this evening, some which may have strong wind gusts.

Otherwise, a weak pressure gradient will maintain light winds and negligible waves on the Lower Great Lakes through the holiday weekend. Expect an onshore flow each afternoon as lake breeze circulations set up.

BUF WATCHES/WARNINGS/ADVISORIES. NY . None. MARINE . None.



SYNOPSIS . RSH NEAR TERM . Apffel/RSH SHORT TERM . Thomas LONG TERM . RSH/Thomas AVIATION . Apffel/RSH MARINE . Apffel


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RCRN6 - 9052058 - Rochester, NY 3 mi48 min 89°F 1011.1 hPa (-0.7)
RPRN6 - Rochester, NY 5 mi48 min NW 8.9 G 9.9 81°F
45012 - Lake Ontario Buoy - 20NM North Northeast of Rochester, NY 27 mi28 min WSW 7.8 G 9.7 74°F 68°F1010.7 hPa67°F
OLCN6 - Olcott Harbor, NY 55 mi48 min W 14 G 16 85°F 1012.2 hPa (-0.7)

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester, Greater Rochester International Airport, NY12 mi54 minWNW 1010.00 miMostly Cloudy92°F55°F30%1011.7 hPa

Link to 5 minute data for KROC

Wind History from ROC (wind in knots)
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Last 24hrN5N7E6NE3CalmCalmSW3SW5SW6SW6SW6SW4W6W6W8W9W10W9W10NW9W11
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1 day agoN9E8--NE4N4CalmNW3CalmCalmCalmN4SW3CalmN4NE6NE8NE8NE6NE7N6NE5E5N8N5
2 days agoNE10NE10N6E5E4CalmNE11NE8NE7NE7NE7N5N6N8NE7NE6NE9NE11NE9E13
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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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wmap_A
GEOS Local Image of Northeast    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 Buffalo, NY (17,4,5,8)
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Ground Weather Radar Station Buffalo, NY
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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.