Wednesday, April1, 2020
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Marine Weather and Tides
Brighton, 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 6:49AMSunset 7:38PM Wednesday April 1, 2020 4:12 PM EDT (20:12 UTC) Moonrise 10:59AMMoonset 1:51AM Illumination 63% Phase: Waxing Gibbous; Moon at 9 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- 646 Am Edt Wed Apr 1 2020
.small craft advisory in effect until 2 pm edt this afternoon...
Today..Northeast winds 15 to 20 knots becoming northwest 5 to 15 knots. Partly to mostly Sunny. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally around 6 feet.
Tonight..Northwest winds 10 knots or less. Mostly cloudy. Waves 1 foot or less.
Thursday..Northwest winds 5 to 15 knots. Mostly cloudy in the morning, then becoming mostly Sunny. Waves 1 to 2 feet.
Thursday night..Northwest winds 10 to 15 knots. Mostly cloudy. Waves 1 to 3 feet.
Friday..Northwest winds 5 to 15 knots becoming northeast. A chance of rain showers during the day. Waves 1 to 3 feet subsiding to 1 foot or less.
Saturday..Northeast winds less than 10 knots becoming south. Partly cloudy. Waves 1 foot or less.
Sunday..Southwest winds 5 to 10 knots becoming west. A chance of showers. Waves 1 foot or less. The water temperature off rochester is 42 degrees.
LOZ043 Expires:202004011530;;401093 FZUS51 KBUF 011046 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 646 AM EDT Wed Apr 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. LOZ043-044-011530-


7 Day Forecast for Marine Location Near Brighton, NY
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location: 43.12, -77.56     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 011811 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 211 PM EDT Wed Apr 1 2020

SYNOPSIS. A weak ridge of high pressure will bring dry and cool weather to the region through Thursday. Moisture from low pressure off the east coast will move westward and bring increasing clouds Thursday night and Friday, with a chance of showers from the Genesee Valley eastward. Dry weather will then return Saturday before a weak cold front brings a chance of showers Sunday. Temperatures will warm to above average over the weekend through early next week.

NEAR TERM /THROUGH THURSDAY/. Sunshine will continue this afternoon for the bulk of the area as a bubble of dry air advects south out of southern Ontario. The last of the low clouds over the interior Southern Tier will slowly scatter out with diurnal mixing. Cumulus will likely increase east of Lake Ontario this afternoon as low level moisture moves southward out of the Saint Lawrence Valley. Despite the sunshine, temperatures will remain cool with highs in the mid to upper 40s in most locations, and lower 40s on the hills and along the immediate lakeshores.

What remains of the weak closed low will move southward through Central NY tonight through Thursday morning. The associated weak forcing will not be enough to generate any showers, but a layer of low level moisture will bring an increase in cloud cover from north to south tonight, with clouds lingering through at least Thursday morning. The clouds should give way to sunshine Thursday afternoon on the lake plains, while northerly upslope flow supports a continuation of cloud cover across the higher terrain.

Lows tonight will generally be in the low to mid 30s, with upper 20s confined to the North Country. Highs Thursday will reach the mid to upper 40s in most locations, with lower 40s on the hills and along the immediate lakeshores.

SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY/. Thursday night and Friday a vertically stacked low well offshore of New England will make a cyclonic loop. An associated inverted trough will move westward across New England and towards eastern and central NY. Clouds will thicken from east to west across the region Thursday night, with plenty of cloud cover Friday with the possible exception of the far western end of the state. Scattered showers will develop Thursday night east of Lake Ontario, and may spread as far west as the Genesee Valley and western Finger Lakes late Thursday night and Friday morning as the inverted trough reaches its westernmost point. Most of this will fall as rain, although a few wet snowflakes cannot be ruled out across higher terrain. Forcing will weaken Friday afternoon and evening as the low off the east coast finishes its cyclonic loop and heads back out to sea. This will allow any scattered showers that develop to end Friday afternoon, although clouds may linger through much of Friday night.

Persistent northwest flow will keep temperatures on the cool side, although not that far from average for the first few days of April. Lows Thursday night will generally be in the mid to upper 30s, with lower 30s across the higher terrain. Highs Friday will be in the mid to upper 40s.

A narrow ridge of high pressure surface and aloft will build over the eastern Great Lakes Saturday. This will bring a return to dry weather and some sunshine. Persistent northwest flow will finally break down, allowing the airmass to modify and warm. Expect highs in the 50s at lower elevations, with 40s limited to the immediate lakeshores.

LONG TERM /SATURDAY NIGHT THROUGH TUESDAY/. Before crossing over the area on Sunday, a weakening mid level trough and surface cold front will approach the eastern Great Lakes late Saturday night. The strongest forcing will be associated with the cold front's low pressure system to our north and as it moves northeast towards the Hudson Bay, this will result in the cold front pushing east through the region. Since there is relatively weak forcing and lack of low level moisture there is a low chance for a few light scattered showers across the region on Sunday. An increase in the shower potential will directly correspond to an increase in cloud cover on Sunday.

High pressure will begin to build back into the region Sunday night through Monday allowing for a brief period of dry weather. The next mid level trough will begin to dig across the eastern half of the country starting Tuesday. The associated surface low pressure system with this mid level trough will make its way northeast from the central Plains to the western Great Lakes Tuesday and Wednesday. Attached to this low, a warm front extending out eastward will approach the region Tuesday before passing over us on Wednesday. As the warm front approaches and passes by, the chances for rain increase throughout the region.

Temperatures will remain above normal throughout the Saturday night and first half of the week. However, there is the possibility that temperatures may cool off as there is a pool of colder air to our north and with the slightest change to the upper air pattern the cooler air could filter into the region.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/. The last of the MVFR CIGS across the Southern Tier will slowly mix out and improve to VFR this afternoon. Otherwise VFR will prevail for the rest of the area with nothing more than scattered cumulus. The remnants of a weak upper level low will drift south across Central NY tonight and Thursday morning. This will spread cloud cover back into the region. CIGS will be mainly VFR across the lower elevations of Western NY, with MVFR across the higher terrain and eastern Lake Ontario region.

The clouds will continue through Thursday morning before scattering out on the lake plains in the afternoon. Clouds may linger through much of the day across higher terrain, with MVFR bases slowly improving to VFR in the afternoon.

Outlook .

Friday . VFR/MVFR with a chance of showers, especially along and east of the Genesee Valley. Saturday . VFR. Sunday . Mainly VFR with a chance of showers. Monday . Mainly VFR.

MARINE. Relatively light winds will continue on the eastern Great Lakes this afternoon through tonight. Northwest winds will increase to near 15 knots at times Thursday through Friday. This will produce choppy conditions on both Lakes Erie and Ontario, but winds and waves are expected to remain below Small Craft Advisory levels.

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



SYNOPSIS . Hitchcock NEAR TERM . Hitchcock SHORT TERM . Hitchcock LONG TERM . EAJ AVIATION . Hitchcock MARINE . Hitchcock


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
RPRN6 - Rochester, NY 10 mi73 min NW 4.1 G 5.1 39°F
RCRN6 - 9052058 - Rochester, NY 11 mi61 min 42°F 1013.8 hPa
OSGN6 - 9052030 - Oswego, NY 60 mi55 min WNW 13 G 18 41°F 1012.7 hPa32°F

Wind History for Oswego, NY
(wind in knots)    EDIT      (on/off)   Help
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W9
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester, Greater Rochester International Airport, NY6 mi19 minN 9 G 1610.00 miA Few Clouds46°F21°F38%1014 hPa

Link to 5 minute data for KROC

Wind History from ROC (wind in knots)
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Last 24hrNE11NE15E11--NE8NE13NE12NE11
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NE9NE9NE5N4NW4N5NE12NE11NE15NE12NE12NE14NE13
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1 day agoW15
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W15W12W11W11W7NW5W3SW3SW4SW5SW3W3N3CalmE3SE4E6E6E4NE6E9NE11NE13
2 days agoSW9SW21W17
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W14W17W13
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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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Buffalo, NY (16,3,4,5)
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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.