Thursday, January21, 2021
Privacy Policy
L-36.com

Marine Weather and Tides
Lewiston, 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 7:40AMSunset 5:16PM Thursday January 21, 2021 10:15 PM EST (03:15 UTC) Moonrise 12:05PMMoonset 1:09AM 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
    EDIT      (on/off)   Help
LOZ030 /o.can.kbuf.ma.w.0137.000000t0000z-201115t2045z/ 334 Pm Est Sun Nov 15 2020
.the special marine warning is cancelled... The affected areas were... Lake erie from ripley to buffalo... The upper and lower niagara river and buffalo harbor... The Thunderstorms have moved out of the area and no longer pose a significant threat to boaters. Very strong southwest winds not related to Thunderstorms will continue through this evening. Storm warnings are in effect for lake erie. A severe Thunderstorm watch remains in effect until 600 pm est for western new york...the adjacent waters of lake erie...and the adjacent waters of lake ontario. Lat...lon 4234 7982 4248 7985 4283 7893 4293 7891 4299 7902 4306 7900 4308 7907 4326 7907 4327 7902 4327 7901 4311 7901 4304 7883 4298 7888 4285 7880 4276 7882 4267 7901 4253 7912 4246 7932 4229 7963 4228 7973 time...mot...loc 2031z 247deg 50kt 4312 7864 4263 7878
LOZ030 Expires:202011152044;;892287 FZUS71 KBUF 152034 MWSBUF Marine Weather Statement National Weather Service Buffalo NY 334 PM EST Sun Nov 15 2020 LEZ020-040-041-061-LOZ030-152044-


7 Day Forecast for Marine Location Near Lewiston, NY
   Hourly   EDIT   Help
location: 43.19, -79.29     debug


Area Discussion for - Buffalo, NY
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
FXUS61 KBUF 220000 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 700 PM EST Thu Jan 21 2021

SYNOPSIS. Lake effect snow will develop tonight east of Lakes Erie and Ontario, with the heaviest snow falling across the higher terrain east of Lake Ontario tonight through midday Friday. Northwest winds will then carry lake effect snow to the southeast of Lakes Erie and Ontario late Friday through Saturday, with spotty light to moderate accumulations expected. High pressure will build into the eastern Great lakes by Sunday morning, ending the lake effect snow.

NEAR TERM /THROUGH FRIDAY NIGHT/. Regional radar showing the Lake Ontario band starting to organize and intensify early this evening. Surface temperatures are still quite mild, even allowing some rain to mix in near the Lake Ontario shore. Temperatures will gradually cool this evening and change everything over to snow. East of Lake Erie a few flurries have developed, this area will start to blossom somewhat later this evening as deeper moisture and colder air aloft arrives.

Later this evening and overnight, temps aloft gradually get colder as flow becomes more westerly and eventually northwesterly late. The addition of the cooler air aloft (-9C at 850mb) will support a lake response off of both lakes with better, more focused band off of Lake Ontario, due to the stronger low-level convergence across the Tug Hill, and much deeper synoptic scale moisture and support from a passing shortwave. Forecast soundings show sufficient moisture and lake equilibrium levels to around 8kft for Lake Erie and 13kft for Lake Ontario. Strongest, most focused lake effect will be east of Lake Ontario while more transient lake effect will occur east of Lake Erie.

Total snow amounts tonight through the first half of Friday east of Lake Ontario over the Tug Hill may reach 15-20 inches, with snowfall rates of 2-3 inches per hour late this evening through Friday morning. The higher amounts will be confined to the Tug Hill, with 5- 9 inches expected across the surrounding lower elevations with 1-2 inch per hour snowfall rates. Amounts will be much lower east of Lake Erie given the lower inversion heights and less synoptic scale moisture and support. Expect 2-4 inches on the hills from tonight through Friday.

Arctic front currently dropping across Lake Superior arrives over western NY Friday morning. Once the arctic front moves through on Friday morning, lake effect bands on westerly flow will shift south along the southern shore of Lake Ontario by early afternoon, and western Southern Tier and really a spray of snow showers with lower vsby at times/possible snow squalls could develop across rest of the area as well as H85 temps fall to around -15c by Friday evening. The mobile nature of the lake bands off of both lakes with the passing front will limit snowfall amounts for any one location. However, one thing that continues to show up in the high res guidance is potential for dominant streamer band originating off the wide open waters of eastern Lake Superior and crossing Lake Huron as well. In general, snow amounts of 1-3 inches will be possible for Friday afternoon with the lake bands southeast of the lakes.

A northwest flow regime continues Friday night. The best activity continues to look to set up off Lake Ontario. Mesoscale model guidance is not in particularly good agreement on where a Georgian Bay connection will set up, but pattern recognition suggests this is most likely across Wayne and northern Cayuga counties initially during the first half of the night, possibly drifting southwest towards Rochester late Friday night. If this upstream connection is able to remain in one place long enough advisory criteria snow amounts are possible southeast of Lake Ontario Friday night through Saturday morning. In Rochester the greater snow amounts would likely focus along Route 104 and into the eastern suburbs.

SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/. Main upper level trough axis will cross the area by midday Saturday, with a cold, gusty northwest flow continuing to produce lake snows southeast of both Lakes through Saturday morning. Some additional minor accumulations will be possible before drier air and subsidence associated with ridging surface and aloft builds across the area from the west Saturday afternoon in the wake of the trough axis passage. That said, would still expect some light lake effect snow showers to continue southeast of the lakes into Saturday evening.

Outside of a few lingering light snow showers southeast of the Lakes during the first half of Saturday night, high pressure will keep dry weather around for Saturday night and Sunday. Some moisture will try to move into western NY Sunday night, however it appears conditions will remain dry.

Otherwise, expect a cold weekend with below normal temperatures. Highs Saturday will range mainly through the teens, with some low 20s across the lake plains. It will be a bit warmer on Sunday with generally 20s found south of Lake Ontario and teens hanging on east of Lake Ontario. Saturday night lows will range from the upper single digits to mid teens south of Lake Ontario, to possibly below zero across the North Country.

LONG TERM /MONDAY THROUGH THURSDAY/. An approaching mid level trough and associated surface cyclone will bring steadily increasing chances for snow showers for Monday. There is still uncertainty concerning the track of a low pressure system Monday night and Tuesday as latest 12z model guidance continues to diverge. The 12z ECMWF is the furthest north with this system, overspreading most of the area with precip, while the latest GFS keeps it just to the south of our area. The Canadian NH continues to alternate between a more southerly or more northerly track, with the latest 12z run now indicating the latter but still keeping much of the North Country dry. Forecast uses a blend of model guidance with a chance of snow from this system, the higher chances for snow being over the Southern Tier. Added some slightly higher PoPs south of Lake Ontario for Monday afternoon as marginal 850mb temperatures and northeast flow may lead to some lake enhancement. Whether this comes to fruition or not will depend on the track of the low and how far north its warm frontal boundary is able to push.

Precip chances for the area will gradually decrease overnight Monday through Tuesday as the low continues moving east. Colder air filtering in on a NNW flow and marginal 850mb temps may lead to a few light lake effect showers south of Lake Ontario Tuesday night and Wednesday. A shortwave trough then approaches the area Wednesday night, which looks to potentially impact the area for Thursday.

Highs through the period will average in the mid to upper 20s for most of the area, with lows in the mid to upper teens and single digits east of Lake Ontario.

AVIATION /00Z FRIDAY THROUGH TUESDAY/. Lake effect snow is intensifying east of Lake Ontario this evening, mainly just south and east of KART. Heavy lake effect snow will bring VLIFR conditions to the Tug Hill region tonight through Friday morning. The majority of this will miss KART, although a few brief periods of IFR are possible through the first half of tonight in passing snow showers. The snow will be lighter east of Lake Erie, with snow showers and occasional MVFR/IFR from later this evening through Friday morning.

Boundary layer flow will veer to the northwest later Friday afternoon behind a cold front. This will move lake effect snow to the southeast of Lakes Erie and Ontario and spread snow showers and bands of snow into a broader area, with less intensity in general. Expect areas of IFR southeast of the lakes Friday afternoon. Some of this may impact KROC by mid to late afternoon.

Outside of lake effect areas, expect mainly VFR VSBY with areas of MVFR CIGS tonight through Friday. A few spotty passing snow showers from Lake Huron may bring local/brief IFR.

Outlook .

Friday Night and Saturday . Lake effect snow showers likely southeast of the lakes with IFR conditions. Scattered snow showers with MVFR elsewhere. Sunday . Generally VFR. Monday . Mainly VFR. Tuesday . A chance of snow and associated IFR.

MARINE. Moderate to strong west winds shift to the northwest on Friday. Small Craft Advisories continue through Friday for the prolonged period of stronger winds. Small craft advisory conditions will likely last into Friday night and Saturday along the south shore of Lakes Erie and Ontario even after the winds become northwest. High pressure will build into the eastern Great Lakes Sunday, allowing winds to subside.

BUF WATCHES/WARNINGS/ADVISORIES. NY . Lake Effect Snow Warning until 1 PM EST Friday for NYZ006>008. MARINE . Small Craft Advisory until 7 PM EST Friday for LEZ040-041. Small Craft Advisory until 1 AM EST Friday for LEZ020. Small Craft Advisory until 7 PM EST Friday for LOZ042>045.



SYNOPSIS . Hitchcock NEAR TERM . Hitchcock/JLA SHORT TERM . JM LONG TERM . PP AVIATION . Hitchcock MARINE . Hitchcock/JLA


Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NIAN6 - 9063012 - Niagara Intake, NY 17 mi75 min 36°F 999.9 hPa (-0.4)
BUFN6 - 9063020 - Buffalo, NY 30 mi75 min WSW 19 G 23 37°F 35°F1000.3 hPa (-0.5)19°F
OLCN6 - Olcott Harbor, NY 32 mi75 min WSW 9.9 G 15 38°F 1000.3 hPa (-0.4)
PSTN6 - 9063028 - Sturgeon Point, NY 37 mi75 min 37°F 999.9 hPa (-0.3)
DBLN6 - Dunkirk, NY 48 mi75 min WSW 26 G 29 38°F 999.2 hPa (+0.0)

Wind History for Buffalo, NY
(wind in knots)    EDIT      (on/off)   Help
10
PM
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
Last
24hr
S16
G25
S13
G17
S16
G21
S14
G20
S15
G22
S16
S14
G18
S13
G18
S18
SW22
G27
SW27
G33
SW24
G32
SW20
G30
SW25
G31
SW22
G30
SW22
G30
SW25
SW23
G29
SW24
G30
SW24
G31
SW18
G23
SW16
G20
SW15
SW19
G23
1 day
ago
W15
W15
W12
W10
G13
NW12
NW11
W9
G13
W12
W13
G18
W12
W13
NW15
NW12
NW15
NW11
G15
W14
W15
G19
W15
G20
W14
G18
W5
G8
SW14
G19
SW14
G18
S16
S25
2 days
ago
SW10
G14
W10
W5
W6
G10
SW19
G24
W15
SW17
W18
W11
G14
W14
G18
SW20
W17
W19
W19
G24
W22
SW28
W24
G30
SW25
W19
G23
W16
G20
SW23
G28
SW24
W13
G16
W12

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports. Follow links for more data.
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Niagara Falls, Niagara Falls International Airport, NY19 mi22 minWSW 1810.00 miOvercast and Breezy35°F29°F78%1000.5 hPa

Link to 5 minute data for KIAG

Wind History from IAG (wind in knots)
11
PM
12
AM
1
AM
2
AM
3
AM
4
AM
5
AM
6
AM
7
AM
8
AM
9
AM
10
AM
11
AM
12
PM
1
PM
2
PM
3
PM
4
PM
5
PM
6
PM
7
PM
8
PM
9
PM
10
PM
Last 24hrS15
G20
S14
G21
S18S12SW25
G36
SW20
G27
SW18
G28
SW15SW19
G30
SW19
G34
SW16
G23
W18
G30
SW17
G25
SW18SW15
G25
SW20SW17
G26
SW17
G23
SW19
G23
SW15SW13SW12W11W18
1 day agoW10NW13W10NW10NW13NW9W10W12NW10NW13NW14NW11NW13W12W12W12W10W12W7SW8SW9W6SW7S11
G16
2 days agoW8W7SW3S6SW7W13W12W12W11SW10W14
G19
W12
G22
W15W16W20
G26
W21
G29
W12
G22
W15W17
G21
W8W7W8W12SW8

Tide / Current Tables for
   EDIT   Weekend mode (on/off)   (on/off)   Help
Tide / Current Tables for
   EDIT      (on/off)   Help
Weather Map
       (on/off)   Help Weather Map
wmap_A
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




Cookie Policy:
This website uses cookies to save your settings. No personal information is saved. I do not collect statistics on your visit. You can disable cookies in your browser if you like but it is not recommended for this site. I do not sell cookies. Go to a bakery for that. In fact I do not sell anything. To disable cookies from L-36.com, please refer to the Help button in your browser.
Privacy Policy:
I do not sell or share any user data or anything else for that matter. The only personal information I save is in the site log which has a line for each page view which includes the IP address your browser sends in the header as well as which page you requested. I use this to block hackers and other bad actors. I do not use this raw data to create profiles on users. I periodically delete the log files. Google supplies the ads on this site. Because I do not track who you are, I cannot customize how these ads are served. They may be personalized to improve the ad experience. If you do not want personalized ads, please adjust the settings on the Google site HERE. NOTE: The best I can determine, this site is not subject to CCPA but I am doing my best to comply anyway.
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.