Thursday, July29, 2021
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Marine Weather and Tides
Lewiston, 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 6:03AMSunset 8:43PM Thursday July 29, 2021 5:58 PM EDT (21:58 UTC) Moonrise 10:53PMMoonset 10:59AM Illumination 70% Phase: Waning Gibbous; Moon at 20 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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LOZ030 Lower Niagara River- 942 Am Edt Thu Jul 29 2021
Rest of today..South winds 5 to 10 knots becoming southwest. Rain with a chance of Thunderstorms late this morning, then showers with a chance of Thunderstorms early this afternoon. A chance of showers late.
Tonight..West winds 5 to 15 knots becoming northwest. A chance of showers in the evening.
Friday..North winds 15 to 20 knots becoming northwest 10 to 15 knots. Becoming mostly Sunny.
Friday night..Northwest winds 5 to 15 knots becoming west. Mainly clear.
Saturday..West winds 5 to 10 knots becoming southwest. Showers with a chance of Thunderstorms Saturday night.
Sunday..West winds 5 to 10 knots becoming northwest. Showers with a chance of Thunderstorms.
Monday..Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. Winds and waves higher in and near Thunderstorms.
LOZ030 Expires:202107292115;;643763 FZUS51 KBUF 291342 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 942 AM EDT Thu Jul 29 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. LOZ030-292115-


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


Area Discussion for - Buffalo, NY
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FXUS61 KBUF 292116 AFDBUF

Area Forecast Discussion National Weather Service Buffalo NY 516 PM EDT Thu Jul 29 2021

SYNOPSIS. A cold front passage will bring showers and thunderstorms through this evening, with some showers possible through Friday morning. Cooler weather will prevail Friday and Saturday as high pressure builds back across the area.

NEAR TERM /THROUGH FRIDAY/. There may be a few lingering showers tonight, especially south of the lakes where some upslope/lake enhancement may develop within incoming colder airmass. There may also be some fog as low clouds intersect higher terrain.

Cool northwesterly flow on Friday, with some lingering showers south of the lakes during the morning hours. Expect cloud cover to linger a bit longer than model guidance due to the cool flow aloft across the relatively warm lake waters. Highs will only be in the mid to upper 60s.

SHORT TERM /FRIDAY NIGHT THROUGH SUNDAY NIGHT/. Unseasonably cooler weather is expected through the period as a broad upper level trough remains anchored over the Northeastern US. High pressure will initially work in from the southwest over the Lower Great Lakes and Ohio Valley Friday night. Though cool northwesterly flow may kick up a few lake effect clouds southeast of the lakes overnight, large scale subsidence and low inversion heights should prevent more significant lift needed for shower development. Low temperatures Friday night will generally settle in the mid 40s to low 50s. Warmer temperatures in the mid/upper 50s and possibly lower 60s will be found along the immediate lakeshores.

Dry conditions will last through Saturday as surface high pressure shifts ESE across the Ohio Valley and into the Mid-Atlantic. Daytime high temperatures will reach the upper 60s and low 70s, low/mid 60s east of Lake Ontario on the higher terrain. A shortwave will then begin to rotate through the upper level trough Saturday morning, initially placing a deepening surface low across the Upper Great Lakes. The approaching system will then swing a cold front across the Central Great Lakes, reaching WNY by late Saturday night. Chances for showers will increase from northwest to southeast through the night, with widespread shower activity expected by daybreak and lasting through the day Sunday. The area should dry out fairly quick Sunday night as the trough axis shifts east of the region.

An abundance of cloud cover Saturday night will moderate temperatures some, with lows in the mid to upper 50s, lower 50s on the Tug Hill. Highs on Sunday will be a degree or two lower than on Saturday, with overnight lows in the low/mid 50s.

LONG TERM /MONDAY THROUGH THURSDAY/. Shortwave ridge moves through base of longwave trough Monday/Monday night . equating to fair weather across our region.

No forcing within col of upper air trough Tuesday . but diurnally driven showers will be possible for parts of the Srn Tier and Finger Lakes.

Frontal passage on Wednesday with scattered showers.

Bulk of Thursday will be fair and dry but with diurnally driven showers again possible well inland from the lakes.

Below normal temps on Monday will moderate through the period.

Preferred ECMWF over outlying CanNH.

AVIATION /21Z THURSDAY THROUGH TUESDAY/. A cold front will drop south across the area this evening, with an area of IFR/MVFR stratus expected to drop from N-S across the area tonight. This stratus will gradually lift and scatter out during the day on Friday.

Outlook .

Friday night and Saturday . VFR. Sunday . MVFR. Showers and possibly a thunderstorm. Monday and Tuesday . VFR.

MARINE. Winds will increase from the north and northwest tonight into Friday to near 25 knots. Small Craft Advisories have been issued as a result as choppy conditions will likely continue into Friday . especially on Lake Ontario.

Colder air coming across the lakes pushing delta Ts to near 18C Friday and Friday night, but relatively low equilibrium level and less than ideal gradient flow suggest a very low, but non-zero risk for waterspouts during that time period.

BUF WATCHES/WARNINGS/ADVISORIES. NY . Beach Hazards Statement from 2 AM EDT Friday through late Friday night for NYZ001>004. MARINE . Small Craft Advisory until 2 PM EDT Friday for LEZ040-041. Small Craft Advisory from 11 PM this evening to 6 PM EDT Friday for LOZ030. Small Craft Advisory from 11 PM this evening to 2 AM EDT Saturday for LOZ042>044.



SYNOPSIS . Apffel NEAR TERM . Apffel SHORT TERM . PP LONG TERM . RSH AVIATION . Apffel MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
45139 - West Lake Ontario - Grimsby 13 mi58 min NE 14 G 18 71°F 73°F1 ft1006.5 hPa (+0.4)
NIAN6 - 9063012 - Niagara Intake, NY 17 mi64 min 80°F 1007.4 hPa
BUFN6 - 9063020 - Buffalo, NY 30 mi64 min W 16 G 19 76°F 76°F1006.3 hPa71°F
45142 - Port Colborne 31 mi58 min WSW 19 G 23 74°F 73°F4 ft1006.4 hPa (-0.5)
OLCN6 - Olcott Harbor, NY 32 mi58 min NNE 7 G 8 71°F 1007.8 hPa (+1.0)
PSTN6 - 9063028 - Sturgeon Point, NY 37 mi64 min 74°F 1007 hPa
45159 - NW Lake Ontario Ajax 43 mi58 min ENE 7.8 G 9.7 69°F 71°F1 ft1007.1 hPa (+0.3)
DBLN6 - Dunkirk, NY 48 mi58 min WSW 20 G 23 75°F 1006.8 hPa (-0.6)

Wind History for Buffalo, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Niagara Falls, Niagara Falls International Airport, NY19 mi65 minNNW 710.00 miMostly Cloudy80°F68°F67%1006.2 hPa

Link to 5 minute data for KIAG

Wind History from IAG (wind in knots)
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Last 24hrE7NE6E4E3CalmSE4E3SE3SE6CalmSE3SE3SE3SE4CalmS4S10S13S14SW15SW11W11NW9
G16
N7
1 day agoN5N5N7NE6NE3CalmCalmCalmCalmE4E4CalmE3E4E7E5E6E7NE6NE8N7NE6NE5NE8
2 days agoSW12SW9S7S3SW5W5NW3W3CalmCalmS3CalmS3S5S8SW9W15N6NW7S8SW9W7W9NW6

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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