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Marine Weather and Tides
Version 3.4 |
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues. 6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported. 5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive. |
| Sunrise 6:01AM | Sunset 8:01PM | Wednesday April 25, 2018 7:50 PM EDT (23:50 UTC) | Moonrise 2:16PM | Moonset 3:11AM | Illumination 81% |  |
Marine Forecasts
EDIT (on/off) Help| LOZ045 Mexico Bay To The Saint Lawrence River Along Lake Ontario- 131 Pm Edt Wed Apr 25 2018 .small craft advisory in effect from 11 pm edt this evening through Thursday evening... This afternoon..East winds less than 10 knots. Patchy fog. A chance of showers early, then showers late. Waves 1 foot or less. Tonight..Light and variable winds becoming southwest 15 to 20 knots. Patchy fog. Rain showers. Waves 1 foot or less building to 4 to 7 feet. Waves occasionally around 9 feet. Thursday..Southwest winds 10 to 15 knots. Patchy fog in the morning. Showers. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet. Thursday night..Southwest winds 5 to 15 knots becoming south. Mainly clear. Waves 3 to 6 feet subsiding to 1 to 3 feet. Waves occasionally around 7 feet. Friday..South winds 10 knots or less becoming southwest. A chance of rain showers. Waves 2 feet or less. Saturday..Southwest winds 5 to 15 knots becoming northwest. A chance of rain showers. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 1 to 3 feet. Waves occasionally around 6 feet. Sunday..Northwest winds 15 to 20 knots diminishing to 5 to 10 knots. A chance of rain showers. Waves 1 to 3 feet building to 3 to 5 feet. Waves occasionally around 6 feet. | LOZ045 Expires:201804252100;;021456 FZUS51 KBUF 251742 NSHBUF Nearshore Marine Forecast National Weather Service Buffalo NY 131 PM EDT Wed Apr 25 2018 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. LOZ045-252100- |
7 Day Forecast for Marine Location Near Henderson, NY
Hourly EDIT Helplocation: 43.93, -76.25 debug
Area Discussion for - Buffalo, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kbuf 252052 afdbuf area forecast discussion national weather service buffalo ny 452 pm edt Wed apr 25 2018 Synopsis Low pressure will move northeastward across new england tonight and into the canadian maritimes on Thursday. Lingering showers behind this system tonight will give way to drier weather from west to east on Thursday as high pressure and drier air builds across the lower great lakes. Two more weak systems will then bring additional periods of rain showers Friday and Saturday. Near term through Thursday Tonight two shortwave troughs will gradually merge and consolidate across new york state... While supporting the continued deepening of an attendant surface low tracking from the mid atlantic coastline into new england. On the backside of this system... The combination of a westerly to northwesterly cyclonic upslope flow of cooler air... Increasing wraparound moisture... And lift attendant to the northern (and stronger) trough will support relatively high probabilities of additional rain showers across the bulk of our region... Save perhaps for portions of far southwestern new york. Winds will also become breezy with a tightening pressure gradient over the eastern great lakes between the new england low and high pressure building into the ohio valley. Low temperatures will drop into the mid 30s to around 40 tonight with cold air advection beneath lingering cloud cover. Patchy fog will again become possible overnight with saturated low levels. On Thursday the surface low will exit northeast across the saint lawrence river valley as high pressure builds across western ny from the ohio valley. Lingering wrap around moisture and upslope flow will keep a high probability for rain showers east of lake ontario through the morning which will taper off in the afternoon. Clearing skies will bring sunshine across western new york by mid late morning. A lingering pressure gradient will keep some gusty winds 20- 30mph through much of the day. Neutral temperature advection will support high temps only peaking in the low to mid 50s except upper 40s close to the eastern lake shores. Total additional rainfall from this afternoon through Thursday will range from one to two tenths of an inch across the southern tier to three quarters of an inch across the north country. Short term Thursday night through Sunday A weak ridge of high pressure will build into the eastern great lakes on Thursday night with dry weather and clearing skies. Lows will be in the mid to upper 30s in most locations. Weak low pressure will track roughly from eastern virginia to southern new england on Friday. There remains some model disagreement on the exact track, with the GFS a bit further north and wetter than most other model guidance. There is at least a chance that showers will clip southern and eastern portions of the cwa on Friday. Expect highs to be in the upper 50s to lower 60s. By Friday evening a northern stream trough will approach western ny which will result in a chance of showers for the rest of the area. Increasing cold advection will drop temperatures back into the mid to upper 30s for lows by late Friday night, with lower 40s east of lake ontario. This trough will usher in colder air and below normal temperatures for the weekend. Model consensus has 850mb temperatures falling to - 8c as the core of the coldest air moves across the area Saturday night. This is cold enough for some limited lake enhancement and also to support snow showers where precipitation still lingers Saturday night into Sunday. Showers will be light with little if any accumulation, but this will be perhaps one last taste of winter before the warm up next week. The forecast hedges below most mos based guidance due to high forecast confidence in the cold airmass and the likely lake enhanced cloud cover during much of the |
weekend. Highs will only be in the 40s over the weekend, with overnight lows near or below freezing on Saturday night. Long term Sunday night through Wednesday The anomalously cold upper-level trough will exit the region into the canadian maritimes Sunday night and Monday. Meanwhile, building 500mb heights and an expansive surface high over the tennessee valley will become centered along the carolinas which will initiate a strong warning trend across our region. The surface high along the carolinas will pump up a much warmer air mass into the ohio valley and great lakes which will send high temperatures soaring some +15- 20f degrees above climo by Wednesday with mid-upper 70s, even a few 80f readings. Late in the week, latest guidance shows a potent shortwave dropping southeast out of canada across the great lakes while several waves ride northeast along a frontal boundary to our west. This will likely bring increasing chances for showers Thursday and Friday. Otherwise, look for relatively quite weather the first half of the week with dry conditions and more like summer. Aviation 21z Wednesday through Monday Low CIGS and occasional showers will continue across the terminals into tonight as a trough of low pressure across western and central new york becomes absorbed into a deepening surface low shifting north along the east coast. CIGS will remain at MVFR ifr with vis lowering to ifr in light to moderate showers. Westerly flow will develop tonight as the surface low shifts from the mid-atlantic into new england. This will allow additional showers, low clouds and fog to continue in wrap around moisture. Expect ifr vis CIGS overnight with CIGS lifting toVFR Thursday morning with low level drying across western new york. Kart will see continued chances for showers and low CIGS lingering into the afternoon. Outlook... Thursday night...VFR. Friday and Saturday... MainlyVFR with a chance of showers. Sunday... MainlyVFR with a chance of rain or snow showers east of lake ontario. Monday...VFR. Marine Surface low pressure along the mid atlantic coastline will continue to deepen tonight as it lifts into new england with westerly winds freshening tonight into Thursday. Westerly winds will produce sufficient waves and winds on the southern and eastern shores of lake ontario for small craft conditions into Thursday night. Light winds and waves expected through Friday with perhaps waves building in westerly flow again on Saturday. Buf watches warnings advisories Ny... None. Marine... Small craft advisory from 9 pm this evening to 8 pm edt Thursday for loz043. Small craft advisory from 9 pm this evening to 5 pm edt Thursday for loz042. Small craft advisory from 11 pm this evening to 11 pm edt Thursday for loz044-045. Synopsis... Jjr smith near term... Jjr smith short term... Apffel long term... Ar aviation... Jjr smith marine... Jjr smith |
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 |
| ALXN6 - 8311062 - Alexandria Bay, NY | 32 mi | 50 min | 39°F | 1005.6 hPa (-1.4) | ||||
| OSGN6 - 9052030 - Oswego, NY | 35 mi | 50 min | Calm G 1 | 48°F | 1005.9 hPa (-0.7) | 48°F | ||
| OBGN6 - 8311030 - Ogdensburg, NY | 67 mi | 50 min | 50°F | 1005.6 hPa (-2.0) | ||||
| RPRN6 - Rochester, NY | 85 mi | 50 min | NNW 12 G 13 | 43°F | 1007.5 hPa (-1.0) |
Wind History for Oswego, NY
(wind in knots) EDIT (on/off) Help| 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 | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | |
| Last 24hr | E | SE | S G8 | W G10 | W | SW G8 | S | SE G10 | SE G7 | SE G7 | SE G8 | SE G10 | SE G9 | SE G14 | SE G11 | SE G17 | SE G14 | SE G14 | SE G12 | SE G13 | S G12 | N G5 | NE G5 | -- |
| 1 day ago | NE G7 | SE | S | S G12 | S | S G14 | S G14 | S G16 | S G17 | S G14 | SE G12 | SE G13 | SE G15 | S G23 | S G21 | S G18 | S G17 | SE G16 | N G10 | N G8 | NE | NE | NE | E |
| 2 days ago | W | SE | SE | S G9 | SE G6 | S G10 | S G11 | S G11 | S | S G11 | S G12 | S G11 | S G13 | S G10 | S G11 | S G11 | S G14 | NW G12 | NE | NE | NE G10 | N G8 | NE G12 | 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 |
| Watertown, Watertown International Airport, NY | 13 mi | 54 min | N 0 | 7.00 mi | Light Rain | 53°F | 53°F | 100% | 1005.5 hPa |
Wind History from ART (wind in knots)
| 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 | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | |
| Last 24hr | Calm | Calm | Calm | Calm | SW | Calm | Calm | SW | SW | Calm | Calm | E | NE | NE | NE | NE | E | E | E | E | S | S | Calm | Calm |
| 1 day ago | NE | E | E | SE | S | S | S | S | S | S | S | S | S G17 | S G22 | SW G22 | S | SW G19 | W | W | W | NW | Calm | Calm | |
| 2 days ago | SW | Calm | Calm | Calm | E | E | E | E | E | E | Calm | E | E | N | SW | W | W | W | W | NW | W |
Tide / Current Tables for
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GOES 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 (19,4,5,8)
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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. |