Thursday, September16, 2021
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Marine Weather and Tides
Webster, 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 6:50AMSunset 7:19PM Thursday September 16, 2021 3:34 PM EDT (19:34 UTC) Moonrise 4:31PMMoonset 12:31AM Illumination 77% Phase: Waxing Gibbous; Moon at 10 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- 649 Am Edt Thu Sep 16 2021
Today..South winds 10 knots or less becoming northeast. Sunny. Waves 1 foot or less.
Tonight..East winds 10 to 15 knots becoming southeast. Mainly clear. Waves 2 feet or less.
Friday..Southeast winds 10 knots or less. Mostly Sunny. Waves 1 foot or less.
Friday night..Southeast winds 5 to 10 knots becoming southwest. A chance of showers overnight. Waves 1 foot or less.
Saturday..West winds 5 to 10 knots becoming north. A chance of showers. Waves 1 foot or less.
Sunday..Northeast winds 10 knots or less. Sunny. Waves 2 feet or less.
Monday..South winds 5 to 10 knots. Sunny. Waves 1 foot or less. The water temperature off rochester is 72 degrees, and the central lake ontario buoy water temperature is 71 degrees.
LOZ043 Expires:202109161530;;707509 FZUS51 KBUF 161049 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 649 AM EDT Thu Sep 16 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. LOZ043-044-161530-


7 Day Forecast for Marine Location Near Webster, NY
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location: 43.22, -77.42     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 161851 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 251 PM EDT Thu Sep 16 2021

SYNOPSIS. High pressure over New England will move off the coast tonight and Friday, supporting mainly dry weather. The passing of a somewhat moisture starved cold front could spark a shower or isolated thunderstorm Friday night or Saturday, otherwise the upcoming weekend should feature dry weather with temperatures averaging a few degrees above normal.

NEAR TERM /THROUGH FRIDAY/. High pressure over New England will continue to push east tonight. Clear skies under a light flow should promote some valley fog late tonight, but should not be a widespread as it was this morning.

Return flow around the departing high will bring in higher surface dewpoints during the day Friday into the mid and upper 60s. Marginally unstable conditions in the afternoon could yield a spotty shower. A warmer day with afternoons highs in the upper 70s to lower 80s for most areas.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. A pre-frontal trough ahead of an approaching cold front over the central Great Lakes will press across the lower Great Lakes Friday night. Low and mid level Atlantic (tropical) moisture will extend northwest across the lower Great Lakes from a strengthening tropical system moving north-northeastward just off the Delmarva. The combination of lift and moisture from these two features will bring the chance for a few showers and possible rumble of thunder, mainly after midnight. It will be a warm night by mid September standards with lows mainly in the low to mid 60s.

The tropical system continues northeast, staying south of New England heading into the start of the weekend. Meanwhile, a shortwave and cold front drop south into our region on Saturday. These two features combined with some lingering additional moisture from the coastal system will help spawn isolated to scattered showers and thunderstorms across western and north central NY, with the best chance focused around the peak heating hours on Saturday afternoon. The southern fringe of the best dynamics just clip northern NY keeping the forcing quite weak over our area, thus any thunderstorms will be mainly driven by daytime heating. The cold front that sagged south across the area will stall across NYS Saturday night. The surface boundary will remain stationary over the area overnight, however the front end of an upper level ridge will push overhead from the west. With this in mind, despite weak low level forcing in the vicinity of the surface boundary, strong subsidence provided by the ridge aloft and waning moisture profiles should keep things dry through the night. Daytime highs will be a tad cooler with the added cloud cover and scattered showers, although still a bit above normal with highs in the mid to upper 70s. Somewhat cooler and drier air filters in across the region saturday night helping temperatures drop back into the lower and mid 50s, with some upper 40s across the Tug Hill and western Dacks.

Lingering stationary boundary will quickly push northeast as a warm front Sunday, opening the door to what will be the start of a period of late summer warmth. Otherwise, a large area of high pressure surface and aloft will build east over the area through the day. This will provide dry and pleasant weather for the second half of the weekend into the start of the new work week with temperatures a bit above average and comfortable humidity levels to close out the weekend. Daytime highs will generally be in the low to mid 70s, with some upper 60s found across the Tug Hill and western Dacks. Lows Sunday night will be similar to the previous night.

LONG TERM /MONDAY THROUGH THURSDAY/. Surface high pressure and upper level ridge will slowly build east into New England Monday and Tuesday supporting both dry weather and warm days.

Meanwhile over the Rockies, an upper level trough will deepen and form a closed low. By Wednesday, the trough/ridge pattern will have slid east further, introducing deep southwesterly flow to develop overhead of the region. Additionally with the upper level trough advancing closer to the region, its associated surface low and frontal boundaries will cross the Great Lakes, introducing the next chances of showers.

Otherwise as alluded to previously, conditions will be on the warm side with high temperatures averaging around 10 to 15 degrees above average. Highs each day will rise into the upper 70s to low 80s, with low to mid 70s in the higher terrain across the North Country.

AVIATION /19Z THURSDAY THROUGH TUESDAY/. High pressure will assure us of VFR weather through tonight. The exception will be in the valleys of the Srn Tier where overnight stratus and fog will likely result in MVFR to IFR conditions at KJHW and KELZ.

Outlook .

Friday through Tuesday . Mainly VFR.

MARINE. High pressure over New England this afternoon will move off the coast tonight. This scenario will maintain light winds and negligible waves over the lower Great Lakes through Friday.

While there will be a minimal chance for showers Friday night and Saturday, a weak surface pressure gradient will promote continued light winds with little wave action throughout the weekend.

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



SYNOPSIS . RSH/TMA NEAR TERM . RSH/TMA SHORT TERM . JM LONG TERM . EAJ/JM AVIATION . RSH/TMA MARINE . Apffel/RSH/TMA


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RPRN6 - Rochester, NY 10 mi34 min E 12 G 14 70°F 1024.4 hPa (-1.0)
RCRN6 - 9052058 - Rochester, NY 11 mi46 min 69°F
45012 - Lake Ontario Buoy - 20NM North Northeast of Rochester, NY 28 mi34 min ESE 9.7 G 12 69°F 71°F1023 hPa60°F
45135 - Prince Edward Pt 48 mi34 min ENE 1.9 G 1.9 69°F 72°F1023.9 hPa (-0.7)
OSGN6 - 9052030 - Oswego, NY 51 mi46 min N 7 G 8.9 71°F 1023.3 hPa58°F

Wind History for Oswego, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester, Greater Rochester International Airport, NY15 mi40 minE 710.00 miMostly Cloudy72°F57°F59%1023.7 hPa

Link to 5 minute data for KROC

Wind History from ROC (wind in knots)
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Last 24hrNW8W4NW4CalmW3SW3CalmSW3W3W3SW3SW4SW4SW4CalmW3CalmW3CalmCalm5E6SE4E7
1 day agoSW7SW6S9SW9S7S7SW10S12
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2 days agoNW7NW6N6E4E4W4CalmSW4SW4SE6SW7S4CalmCalmSE3SE3SE4S4SW6SW9SW9SW9SW6W11

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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