Tuesday, September28, 2021
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Marine Weather and Tides
Canandaigua, NY

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 7:03AMSunset 6:58PM Tuesday September 28, 2021 1:13 AM EDT (05:13 UTC) Moonrise 10:19PMMoonset 1:36PM Illumination 57% Phase: Waning Gibbous; Moon at 21 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- 346 Pm Edt Mon Sep 27 2021
Tonight..West winds 5 to 15 knots becoming northeast 15 to 20 knots. A chance of showers. Waves 1 to 3 feet building to 2 to 4 feet.
Tuesday..Northeast winds 15 to 20 knots becoming northwest 10 to 15 knots. Partly Sunny in the morning, then becoming mostly Sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet.
Tuesday night..Northwest winds 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet.
Wednesday..Northwest winds 5 to 15 knots. Mostly Sunny. Waves 1 to 3 feet.
Wednesday night..North winds 10 to 15 knots becoming northeast. Mostly cloudy. Waves 2 to 4 feet.
Thursday..North winds 5 to 15 knots becoming northwest. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Friday..Northwest winds 5 to 10 knots. Partly cloudy. Waves 1 to 2 feet.
Saturday..West winds 10 knots or less becoming southwest. Partly to mostly cloudy. Waves 1 foot or less. The water temperature off rochester is 66 degrees.
LOZ043 Expires:202109280330;;273935 FZUS51 KBUF 271946 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 346 PM EDT Mon Sep 27 2021 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. LOZ043-044-280330-


7 Day Forecast for Marine Location Near Canandaigua, NY
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location: 42.88, -77.26     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 280215 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 1015 PM EDT Mon Sep 27 2021

SYNOPSIS. A cold front will settle south across the region tonight with some showers marking its passage. Canadian high pressure in its wake will pass to our north Tuesday through Friday. While this feature will promote fair dry weather for most areas, it will be relatively cool.

NEAR TERM /THROUGH TUESDAY NIGHT/. The majority of the region is dry late this evening, with just a few spotty showers east of Lake Ontario. The cold front is near the south shore of Lake Ontario at 02Z, with clouds thickening across the area.

A cold front will push to the south through our region overnight through early Tuesday morning. The cold front will have little synoptic scale support aloft initially, producing only a few light showers and a few hundredths of an inch of rain in most locations. Late tonight and early Tuesday morning a mid level trough and vorticity maxima will cross the eastern Great Lakes. This will provide an uptick in large scale ascent along the frontal zone, and result in a brief period of somewhat better chances of a few showers across the Southern Tier late tonight and early Tuesday morning.

The showers across the Southern Tier and western Finger Lakes will end in the morning. Low level northerly upslope flow and some lake instability will keep plenty of clouds through the first half of the day south of Lake Ontario. High pressure and associated dry air and subsidence will then bring increasing sunshine from north to south in the afternoon.

SHORT TERM /WEDNESDAY THROUGH THURSDAY NIGHT/. High pressure will be overhead to start to the day on Wednesday. Later in the day though, cold front drops south across the lower Great Lakes in response to upper low dropping from Quebec to New England. Arrival of cold front may result in a few showers developing in the afternoon east and southeast of Lake Ontario. Temps on Wednesday will reach the 60s most areas, but earlier arrival of colder air will keep temps east of Lake Ontario into the mid 50s to near 60.

Wednesday night into Thursday, H85 temps lower to a chilly 0-1c in wake of the front into Wednesday night. Weak cyclonic low-level flow and additional synoptic low-level moisture along with sufficient over-water instability (delta t/s over 15c) with north-northeast flow across Lake Ontario resulted in increasing pops some for lake effect on Wednesday night Genesee Valley to Finger Lakes. At the least, will see a lot of lake effect clouds south and southeast of Lake Ontario. So, despite the colder temps aloft, think min temps on Wednesday night will not be as low as they could be due to some clouds and fresh northerly winds behind the front. Min temps in the 40s will be common, but interior valleys of Southern Tier and higher terrain east of Lake Ontario could briefly dip into the upper 30s. Thursday will be cooler with highs ranging from the 50s to around 60. Temps on the lake plains may sneak into the lower 60s briefly on Thursday afternoon.

Should still have fair amount of lake clouds south of Lake Ontario into the afternoon with a chance of a shower or sprinkles. Eventually though, clouds will become less widespread in the evening and clear out over much of the area on Thursday night. The clearing with high pressure building in and a dry airmass with PWATS below 0.50 inch signal a chilly night in store, with frost certainly possible in the cold spots of the Southern Tier and east of Lake Ontario. Lowered min temps toward lowest guidance (mid 30s for cold spots) for a starting point.

LONG TERM /FRIDAY THROUGH MONDAY/. To close out the end of the work week and start of the weekend, model consensus has an upper level low to wobble across the Canadian Maritimes. As the weekend progresses, a few waves of energy will pivot around the cyclonic gyre before pulling northeast early in the next upcoming work week. However, the model guidance packages continue to hold differences in timing and placement of the waves of energy. Overall, this translates to mainly dry weather Friday, before slight chances for showers enter the forecast for each day of the weekend due to the upper level energy pivoting across the area.

Otherwise, cool temperatures will continue throughout the end of the work week, weekend and start of the next week. Highs Friday through Monday will range in the 60s, with lows dropping into the 40s Friday night and upper 40s to low 50s throughout the weekend.

AVIATION /02Z TUESDAY THROUGH SATURDAY/. A cold front will move south across the eastern Great Lakes overnight through early Tuesday morning, producing a few light showers across the region. Somewhat more widespread showers will cross the western Southern Tier for a few hours early Tuesday morning as a mid level trough crosses the eastern Great Lakes and gives better support to the cold front. Showers will then end from north to south later Tuesday morning.

CIGS will deteriorate to MVFR at lower elevations and IFR across higher terrain late tonight along and behind the cold front as low level northerly upslope flow develops. The MVFR/IFR CIGS will linger through Tuesday morning before improving to VFR, first across the lake plains, and last across the higher terrain of the Southern Tier.

Outlook .

Wednesday through Saturday..Mainly VFR.

MARINE. Southwesterly winds will quickly diminish this evening, bringing and end to Small Craft Advisory conditions on Lake Erie. A cold front will move south across the eastern Great Lakes overnight. A brief period of 15-20 knot NNE flow will develop late tonight and early Tuesday morning. This will produce a period of very choppy conditions along the south shores of Lake Ontario and Lake Erie. Conditions may briefly approach Small Craft Advisory levels for a few hours on each lake before winds and waves diminish from late morning through the afternoon.

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



SYNOPSIS . Hitchcock/RSH NEAR TERM . Hitchcock/RSH SHORT TERM . JLA LONG TERM . EAJ AVIATION . Hitchcock MARINE . Hitchcock/JJR


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RPRN6 - Rochester, NY 32 mi74 min W 8 G 8.9 68°F 1009.8 hPa (+0.3)
RCRN6 - 9052058 - Rochester, NY 33 mi56 min 67°F
OSGN6 - 9052030 - Oswego, NY 57 mi56 min N 5.1 G 6 67°F 1008.1 hPa64°F

Wind History for Oswego, NY
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W22
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Penn Yan, Penn Yan Airport, NY19 mi21 minSSW 610.00 miOvercast64°F60°F87%1009 hPa

Link to 5 minute data for KPEO

Wind History from PEO (wind in knots)
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Last 24hrSW5SW10SW13
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SW9SW7W6W5--N3CalmSE4CalmW4S6
1 day agoSW3Calm4SW6SW5SW6SW7SW9SW7W7
G15
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2 days ago4SW5SW5SW5SW7SW4SW7SW9
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S7S6S5SE3SW3NW7NW7W8
G15
W5SW4

Tide / Current Tables for
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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