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Marine Weather and Tides
Version 3.4 |
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome. 10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name. |
| Sunrise 5:31AM | Sunset 8:34PM | Friday May 24, 2019 9:15 AM EDT (13:15 UTC) | Moonrise 12:00AM | Moonset 9:33AM | Illumination 70% |  |
LOZ044 Expires:201905240930;;366837 Fzus51 Kbuf 240548 Nshbuf Nearshore Marine Forecast National Weather Service Buffalo Ny 148 Am Edt Fri May 24 2019 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. Loz043-044-240930- Hamlin Beach To Mexico Bay Along Lake Ontario Including Irondequoit Bay- 148 Am Edt Fri May 24 2019
.small craft advisory in effect until 11 am edt this morning...
Overnight..West winds 15 to 20 knots. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet.
Friday..West winds 15 to 20 knots diminishing to 10 to 15 knots. Partly to mostly Sunny. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet.
Friday night..West winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
Saturday..Southeast winds 5 to 15 knots becoming south. Showers likely with a chance of Thunderstorms. Waves 2 feet or less.
Saturday night..South winds 5 to 15 knots becoming southwest. Showers likely with a chance of Thunderstorms in the evening. Waves 2 feet or less.
Sunday..West winds 5 to 15 knots becoming north. A chance of showers and Thunderstorms during the day. Waves 1 to 2 feet.
Monday..Northwest winds 10 knots or less becoming southeast. Partly cloudy, then becoming mostly cloudy. Waves 1 foot or less.
Tuesday..Southeast winds 5 to 10 knots becoming southwest. A chance of showers and Thunderstorms. Waves 1 foot or less. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 45 degrees.
.small craft advisory in effect until 11 am edt this morning...
Overnight..West winds 15 to 20 knots. Partly cloudy. Waves 3 to 6 feet. Waves occasionally around 7 feet.
Friday..West winds 15 to 20 knots diminishing to 10 to 15 knots. Partly to mostly Sunny. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet.
Friday night..West winds 10 knots or less becoming southeast. Partly cloudy. Waves 1 to 3 feet subsiding to 1 foot or less.
Saturday..Southeast winds 5 to 15 knots becoming south. Showers likely with a chance of Thunderstorms. Waves 2 feet or less.
Saturday night..South winds 5 to 15 knots becoming southwest. Showers likely with a chance of Thunderstorms in the evening. Waves 2 feet or less.
Sunday..West winds 5 to 15 knots becoming north. A chance of showers and Thunderstorms during the day. Waves 1 to 2 feet.
Monday..Northwest winds 10 knots or less becoming southeast. Partly cloudy, then becoming mostly cloudy. Waves 1 foot or less.
Tuesday..Southeast winds 5 to 10 knots becoming southwest. A chance of showers and Thunderstorms. Waves 1 foot or less. Winds and waves higher in and near Thunderstorms. The water temperature off rochester is 45 degrees.
LOZ044
7 Day Forecast for Marine Location Near Oswego, NY
Hourly EDIT Helplocation: 43.47, -76.51 debug
Area Discussion for - Buffalo, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbuf 241044 afdbuf area forecast discussion national weather service buffalo ny 644 am edt Fri may 24 2019 Synopsis High pressure will pass over the lower great lakes resulting in mainly dry weather today. Conditions will then deteriorate late tonight through Saturday night due to a pair of frontal systems which will push through the region. High pressure will then ridge southward from canada and into the great lakes providing mainly dry weather for Sunday and Monday. Near term through tonight High pressure over the upper great lakes will gradually build across the region and provide mainly dry weather for today. Moisture will circulate around stacked low pressure centered near maine. This will support some morning cloud cover, and some light showers east of lake ontario. Breaks of sunshine will increase from west to east as this system exits off the maine coast this afternoon. Today will be cooler than yesterday with high temperatures in the mid 60s for most areas. High pressure across the region this evening will maintain dry weather well into tonight. However the mid-level ridge axis will move to our east late tonight with a warm front approaching the area from the west. Some showers and thunderstorms will develop along a mid-level thermal gradient and move into far western new york late tonight. Areal coverage should be scattered in nature through daybreak. Low temperatures will be near or shortly after midnight with radiational cooling hindered by mid and high level cloud cover which will be moving into the region from the southwest. Short term Saturday through Sunday night A strong anticyclone over the southeast will be advancing gulf of mexico moisture northward through the mississippi valley to close out this week. On Saturday this moisture will reach our region, producing a noticeable rise in humidity, while also fueling showers and thunderstorms through the day and evening. A warm front will nose eastward into western new york Saturday morning, with elevated instability of 250 - 500 j kg supporting some convective rain showers. The isentropic gradient will lie across lake erie, and towards the thruway early Saturday morning, and along this boundary is also where condensation pressure deficits will fall to support rain showers. Will start the day for the niagara frontier with categorical pops... And with the LLJ still well to our west any thunderstorm should be just a garden variety. This activity will likely weaken some through the morning hours as it pushes eastward across lake ontario and towards the north country. The falling rain, plus a southerly stream of moisture will raise dewpoints into the mid 60s across wny, and upper 50s east of lake ontario. By may standards... This will be a bit humid. This increase in moisture as well as daytime highs in the 70s to near 80f will increase sb CAPE through the day to 1000 to 2000 j kg. Precipitation coverage may be sparse around midday, and not until much later in the afternoon and into the evening hours will showers and thunderstorms return. A shortwave will ripple eastward across southern ontario Saturday afternoon helping to produce a line of showers and thunderstorms. Aided by a 45 to 55 knot llj, and 0-6 km bulk shear values of 50 to 55 knots storms blossoming within this unstable environment could become strong to severe, with damaging winds the likely threat. CAPE profiles aloft on point soundings look to be more tall and skinny... Which would not favor hail formation. If greater CAPE develops, hail could be possible with taller cells. With confidence growing in the low level wind profiles, will place gusty winds into the grids for these thunderstorms across portions of wny. To the east while thunderstorms are still likely, the instability will be weaker... And for now will not place gusty winds into the forecast. At this time the period for severe thunderstorms will likely be in the late afternoon and through the evening hours. Sunday a weak frontal boundary will drop southward across the region. We will still be on the humid side to start the day and a few showers or thunderstorms remain possible through the afternoon |
as we'll remain unstable. This precipitation will end through Sunday early evening as moisture depletes as surface high pressure over canada funnels drier air southward. Skies will clear through the night with overnight temperatures dropping back into the lower 50s. Long term Monday through Thursday Increased ridging will begin on Monday over the eastern third of the country. This will provide rainfree conditions for Monday, with comfortable levels of humidity as surface high pressure to the north pushes drier air southward. As the ridge strengthens over the southeast u.S., a similar scenario to this weeks weather will take shape. The ridge over the southeast u.S. Will cause waves of low pressure to trek northeast out of western half of the country where a trough will be in place. Waves of low pressure will increase the chance for showers and thunderstorms from Tuesday through Thursday across western and north central ny. Ahead of these areas of low pressure warming temperatures on Tuesday and Wednesday will bring highs across the area to the upper 70s to mid 80s. A passing cold front late Wednesday early Thursday will bring slightly below normal temperates to the area with highs in the mid to upper 60s. Aviation 12z Friday through Tuesday A closed low will settle across maine this morning which will increase moisture and result in cloud cover and lower cigs through the morning hours. This will result in areas of MVFR clouds, especially east of lake ontario but also south of lake ontario where these clouds will be more patchy in nature. Cloud bases will lift late this morning, and eventually scatter out this afternoon and evening with widespreadVFR flight conditions. A warm front will approach from the southwest late tonight. This will result in an area of low to mid level clouds and possibly a shower or thunderstorm west of rochester near daybreak Saturday. Outlook... Saturday...VFR MVFR with showers likely and a chance of thunderstorms. Some storms could produce gusty winds. Sunday...VFR MVFR with a chance of showers and thunderstorms. Monday...VFR. Tuesday... MainlyVFR with a chance of showers and thunderstorms. Marine Winds have picked up behind a cold front, which will support small craft advisory conditions this morning, particularly along the southeastern shores of lake ontario. Winds will then subside this afternoon as high pressure will push east from the upper great lakes. Generally light winds and negligible waves can then be anticipated tonight and Saturday. Tides coastal flooding A cold front has moved across the area with westerly winds producing higher waves, especially across the eastern half of lake ontario. This combined with very high lake levels will result in flooding along the shorelines of wayne... Northern cayuga... And oswego counties. Winds and waves will diminish by this afternoon which will lower the flooding concerns. Buf watches warnings advisories Ny... Lakeshore flood warning until 11 am edt this morning for nyz004>006. Marine... Small craft advisory until 11 am edt this morning for loz043- 044. Synopsis... Apffel near term... Apffel short term... Thomas long term... Sw thomas aviation... Apffel rsh marine... Apffel rsh tides coastal flooding... Jjr apffel |
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| OSGN6 - 9052030 - Oswego, NY | 0 mi | 34 min | W 17 G 22 | 47°F | 1015.5 hPa | 44°F | ||
| 45135 - Prince Edward Pt | 29 mi | 76 min | W 14 G 16 | 46°F | 43°F | 3 ft | 1015.1 hPa (+3.6) | |
| 45012 - Lake Ontario Buoy - 20NM North Northeast of Rochester, NY | 48 mi | 26 min | W 16 G 18 | 42°F | 37°F | 4 ft | 1017.1 hPa | 41°F |
| RPRN6 - Rochester, NY | 59 mi | 76 min | WNW 16 G 22 | 57°F | ||||
| RCRN6 - 9052058 - Rochester, NY | 61 mi | 34 min | 60°F | 1016.1 hPa |
Wind History for Oswego, NY
(wind in knots) EDIT (on/off) Help| 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 | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | |
| Last 24hr | S G18 | S | S G11 | S G12 | S G14 | S G10 | S G13 | S G14 | SW | SW G14 | W G23 | W G18 | W G17 | W G17 | W G15 | SW G14 | W G22 | W G24 | W G24 | W G24 | W G23 | W | W G23 | W G24 |
| 1 day ago | N | NE | W | N | N | N | N | NE | NE G7 | NE | E G7 | SE | SE | SE G9 | SE G8 | S G13 | S G14 | S G16 | SE G16 | S | SE G13 | S G13 | SE G13 | SE G17 |
| 2 days ago | W | W | W | W G22 | W G22 | W G18 | W G22 | W G18 | W G16 | W G18 | W | W G18 | W G13 | W G16 | W G10 | SW G8 | SW | S G7 | SW | S | S | S | E | NE |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Fulton, Oswego County Airport, NY | 10 mi | 22 min | WNW 9 G 16 | 10.00 mi | Overcast | 55°F | 46°F | 74% | 1015.7 hPa |
Wind History from FZY (wind in knots)
| 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 | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | |
| Last 24hr | SE | S | S | S | S G16 | SW | W G19 | W G25 | W G22 | W | NW | W | W | W G18 | W G19 | W G19 | W G20 | W G18 | W G22 | W G19 | W G21 | W G16 | ||
| 1 day ago | NE | E | Calm | S | SW | NE | E | Calm | SE | SE | S | SE | Calm | SE | ||||||||||
| 2 days ago | NW G19 | NW G21 | W G21 | W G23 | W G19 | W | NW G18 | W | W | W | NW | NW | NW | Calm | Calm | W | Calm | Calm | Calm | Calm | Calm | E | E |
Tide / Current Tables for
EDIT Weekend mode (on/off) (on/off) HelpTide / Current Tables for
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GOES 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
Wind Forecast for Buffalo, NY (9,2,3,4)
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Ground Weather Radar Station Montague, 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 numerious 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. |