Monday, January25, 2021
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Marine Weather and Tides
Grandyle Village, NY

Version 3.4
NOTICE
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 7:35AMSunset 5:21PM Monday January 25, 2021 2:14 PM EST (19:14 UTC) Moonrise 2:17PMMoonset 5:13AM Illumination 93% 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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LEZ020 Upper Niagara River And Buffalo Harbor- 123 Pm Est Mon Jan 25 2021
This afternoon..Light and variable winds. Partly Sunny.
Tonight..Northeast winds 10 to 15 knots becoming east. Mostly cloudy.
Tuesday..East winds 15 to 20 knots becoming northeast 10 to 15 knots. Snow.
Tuesday night..North winds 5 to 10 knots. Snow in the evening, then a chance of snow overnight.
Wednesday..North winds 10 to 15 knots. Mostly cloudy.
Thursday..Northwest winds 10 to 15 knots. A chance of snow showers Thursday night.
Friday..Northwest winds 5 to 10 knots. A chance of snow showers. The water temperature off buffalo is 33 degrees.
LEZ020 Expires:202101252215;;477213 FZUS51 KBUF 251823 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 123 PM EST Mon Jan 25 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. LEZ020-252215-


7 Day Forecast for Marine Location Near Grandyle Village, NY
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location: 42.86, -79.08     debug


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 251459 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 959 AM EST Mon Jan 25 2021

SYNOPSIS. While weak high pressure will provide fair dry weather through the first half of tonight . conditions will then deteriorate as a storm passing over the region on Tuesday will guarantee that we will experience some wintry precipitation. A wintry mix will be found across at least the Southern Tier and Finger Lakes region . while mainly snow will be found elsewhere. All areas will pick up a little light snow Tuesday night. Temperatures for the remainder of the week will average below normal . especially on Friday.

NEAR TERM /THROUGH TUESDAY NIGHT/. Weak high pressure will provide us with fair dry weather today into at least the first half of tonight.

A weak sfc low over the Upper Ohio Valley late tonight will track across our forecast area on Tuesday. While this will guarantee that our region will experience wintry precipitation . there is still some uncertainty as to how far north the mixed pcpn will get. At this juncture . a wintry mix is anticipated for the Southern Tier and Finger Lakes region late tonight through Tuesday with snow and sleet accumulations forecast to be in the vcnty of 1-2 inches. Meanwhile sites further north should pick up mainly wet snow to the tue of 3-5 inches. Lesser amounts are expected across the Eastern Lake Ontario region.

Tuesday night . colder air in the wake of the exiting sfc low will enable any residual mixed pcpn to change back to just snow. Negligible snow amounts expected Tues night with most areas picking up less than an inch . although amounts east of Lake Ontario could approach 3 inches.

SHORT TERM /WEDNESDAY THROUGH THURSDAY/. Northwest flow will continue across the region and result in mostly cloudy conditions with lingering upslope snow showers Wednesday. A strong area of high pressure over the Plains will build into the Great Lakes region and colder air will arrive for the end of the work week. Temperatures at 850mb will fall from -13C Wednesday to - 18C Thursday. A lake response will increase however the airmass building in will be dry keeping snow showers weak with minor accumulations south of Lake Ontario.

Temperatures will be below normal Wednesday-Thursday with highs in the mid to upper 20s Wednesday to the teens to low 20s Thursday. Low temperatures will fall to the single digits to teens Wednesday night.

LONG TERM /THURSDAY NIGHT THROUGH SUNDAY/. A sharp mid level trough is forecast to move southeast across Ontario and Quebec Thursday night, reaching New England Friday. The associated arctic front may produce a few snow showers Thursday night and early Friday, with lake effect snow showers increasing southeast of the lakes as well. Lake effect snow showers may linger into Friday night before ending by Saturday as high pressure builds into the eastern Great Lakes.

Another mid level trough will reach the central US by Saturday night, then move towards the Ohio Valley and eastern Great Lakes Sunday. Warm air advection ahead of a surface low will increase chances for rain, snow, and/or a wintry mix Sunday. There are timing differences in the mid-range models but all are in agreement that low pressure will deepen as it moves off the east coast into early next week. Wrap- around moisture will increase the chance for snow across the region during this time.

AVIATION /15Z MONDAY THROUGH FRIDAY/. While some MVFR cigs will linger at KART into the midday hours . VFR weather with light winds can be expected through at least the first of tonight.

Conditions will then deteriorate late tonight and especially Tuesday when a weak surface low will move through the region. Cigs will lower to MVFR levels with mixed pcpn across the Southern Tier late tonight with MVFR overspreading the remainder of western New York during the day Tuesday.

Outlook .

Tuesday night . MVFR in light snow. Wednesday . Scattered snow showers with local IFR and MVFR CIGS in the morning, improving to VFR. Thursday and Friday . MVFR/VFR with a chance of snow showers.

MARINE. High pressure will build across the area today, with light winds and negligible waves lasting into tonight.

Low pressure will then move northeastward from the Ohio Valley tonight and weaken as it moves across Western New York Tuesday and Tuesday night. High pressure will remain to the north of the Great Lakes. This will result in a period of stronger ENE winds on the lakes, which is likely to require small craft headlines for most of Lake Ontario, and possibly Lake Erie tonight into Tuesday night.

BUF WATCHES/WARNINGS/ADVISORIES. NY . Winter Weather Advisory from 8 AM Tuesday to 1 AM EST Wednesday for NYZ001>004-010-011-014. Winter Weather Advisory from 4 AM to 7 PM EST Tuesday for NYZ019>021. Winter Weather Advisory from 6 AM to 10 PM EST Tuesday for NYZ012-013-085. MARINE . None.



SYNOPSIS . RSH NEAR TERM . RSH SHORT TERM . HSK LONG TERM . Hitchcock/HSK AVIATION . RSH MARINE . Apffel


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BUFN6 - 9063020 - Buffalo, NY 10 mi75 min S 2.9 G 4.1 30°F 34°F1018.3 hPa (-1.8)1°F
PSTN6 - 9063028 - Sturgeon Point, NY 12 mi75 min 30°F 1017.9 hPa (-1.6)
NIAN6 - 9063012 - Niagara Intake, NY 15 mi75 min 33°F 1018.3 hPa (-1.8)
DBLN6 - Dunkirk, NY 29 mi75 min NE 5.1 G 6 31°F 1018.3 hPa (-2.2)
OLCN6 - Olcott Harbor, NY 38 mi75 min NW 2.9 G 4.1 31°F 1020 hPa (-1.7)

Wind History for Buffalo, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Buffalo, Greater Buffalo International Airport, NY19 mi21 minN 010.00 miMostly Cloudy35°F19°F52%1018.7 hPa
Niagara Falls, Niagara Falls International Airport, NY19 mi22 minN 010.00 miFair35°F20°F54%1019.3 hPa

Link to 5 minute data for KBUF

Wind History from BUF (wind in knots)
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Last 24hrCalm3CalmE5E6E6E6E7E4E4E3SE4SE4CalmCalmCalmSE3S3S3CalmCalmCalmNE4Calm
1 day agoW14W13NW13
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NW10NW13NW9NW6NW8NW9W5W5W7W6W5W4W5W4CalmCalmE3E3E4CalmS4
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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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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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station




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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.