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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 5:57AM | Sunset 7:46PM | Wednesday April 25, 2018 9:52 PM EDT (01:52 UTC) | Moonrise 3:09PM | Moonset 3:56AM | Illumination 82% |  |
Marine Forecasts
EDIT (on/off) Help| ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 715 Pm Edt Wed Apr 25 2018 .dense fog advisory in effect until 6 am edt Thursday... Tonight..S winds around 5 kt, becoming sw late. Seas 1 ft or less. Areas of fog. Showers likely early this evening, then slight chance of showers late this evening and early morning. Chance of showers late. Vsby less than 1 nm. Thu..W winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft. Thu night..NW winds 5 to 10 kt, becoming se after midnight. Seas 1 ft or less. Fri..SE winds 5 to 10 kt. Seas 1 ft or less. Rain likely. Vsby 1 to 3 nm. Fri night..E winds 5 to 10 kt, becoming W after midnight. Seas 1 ft or less. Chance of rain in the evening, then chance of showers after midnight. Sat..SW winds around 5 kt, increasing to around 10 kt in the afternoon. Seas 1 ft or less. Sat night..SW winds 5 to 10 kt, becoming nw after midnight. Seas 1 ft or less. Sun..NW winds around 10 kt. Seas around 2 ft. Sun night..NW winds 10 to 15 kt. Seas around 2 ft in the evening, then 1 ft or less. Mon..W winds around 10 kt. Seas 1 ft or less, then around 2 ft in the afternoon. Mon night..W winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 ft or less. | ANZ300 715 Pm Edt Wed Apr 25 2018 Synopsis for the long island waters and new york harbor.. Low pressure over the delmarva region will ride up across the area tonight, with a trailing cold front also passing through late. The low will move into new england on Thursday. Another low will move through on Friday, followed by a cold frontal passage late Saturday. High pressure will then be in control early to mid next week. |
7 Day Forecast for Marine Location Near Oyster Bay, NY
Hourly EDIT Helplocation: 40.88, -73.53 debug
Area Discussion for - New York City/Upton, NY
(on/off) Help NOTE: mouseover dotted underlined text for definition| Fxus61 kokx 252351 afdokx area forecast discussion national weather service new york ny 751 pm edt Wed apr 25 2018 Synopsis Low pressure over the DELMARVA region will ride up across the area tonight, with a trailing cold front also passing through late. The low will move into new england on Thursday. Another low will move through on Friday, followed by a cold frontal passage late Saturday. High pressure will then be in control early to mid next week. Near term until 6 am Thursday morning Pops were increased with this update for the early evening hours across LI and ct based on latest obs and trends. Chances for showers across the entire area drop off soon after this, then there should be a return of scattered to numerous showers later tonight as the weak sfc low moves across and takes a cold front with it, aided by lift from an accompanying negatively-tilted mid level shortwave trough. Meanwhile, with the pressure gradient relaxing tonight and abundant low level moisture remaining, expect a potential for dense fog before cold fropa, particularly across long island and southern ct, where both narre hrrr time-lagged ensembles are flagging highest probabilities of vsby less than 1 4sm and 1sm, respectively. Have already issued a sps for at least locally dense fog, and with light surface winds and a loss of turbulent mixing potential at the top of the mixed layer, may very well need to issue an advisory for some areas within the next hour or two. Iso sct thunderstorms should push north through SE ct early this evening. Winds aloft are weak, so not expecting any strong surface gusts with these storms. Fcst low temps tonight are on the warmer side of the mos envelope, in the upper 40s and lower 50s. Short term 6 am Thursday morning through Thursday night Gusty wnw flow expected along with mostly sunny skies for the most part after the mid level shortwave passes through. A closed mid level low passing just to the north may help provide enough lift for sct-bkn CU development in the afternoon, more so inland. With downslope flow and mixing to between 875-850 mb expect high temps to approach 70 in NE nj and rise well into the 60s most elsewhere. Thu night should start mostly clear, then become mostly cloudy overnight as another low begins to approach from the sw. Low temps should be in the 40s and lower 50s per MOS blend. Long term Friday through Wednesday |
Models in good agreement with the closed low over the central plains tracking eastward through the deep south on Thursday. This then lifts north toward the region Friday ahead of the next northern stream trough digging into the mississippi river valley on Thursday. At the surface, associated low pressure lifts northeast towards the region on Friday. This is a progressive system, with what looks like a quick hit of moderate rain (1 4 to 3 4 inch, locally 1 inch). Still uncertainty on where the axis of the heaviest rain will be, due to differences in track of low pressure and consequently placement of best lift instability axis. Models then in general agreement with partial phasing of the southern energy and digging northern stream trough to develop a deep trough over the great lakes into the NE us this weekend. Some spread in intensity amplitude of this trough, but general consensus on its axis moving through Sunday. At the surface, an associated cold front moves through late Sat sat evening, with a couple of weak troughs moving through Sunday. Seasonable temps on Saturday in WAA ahead of the front, dropping back down to a few degrees below seasonable on Sunday with cold pool and instability cloud cover. In its wake, deep layered ridging builds in for early next week, with potential for unseasonable warmth by midweek as ridging takes a bermuda position. Temps moderate to seasonable on Monday and then above seasonable on Tuesday. Potential for the first real warm spell of the season mid to late week, with high temps in the 80s for nyc nj metro and interior, and well into the 70s along the coast. Aviation 00z Thursday through Monday Low pressure tracks from the mid-atlantic coast this evening to the canadian maritime provinces by early Thursday evening. Ifr or less through at least 07z. Light rain drizzle continues through then, with some pockets of moderate rain possible. Outside of times when areas receive moderate rain, expect widespread fog to develop this evening. Conditions should improve to MVFR 8-11z from W to e, then toVFR from 10-13z from w to E as well. Light and variable winds into the early morning hours. Winds become w-wnw 8-11z from W to e. Wind speeds increase to 10-15kt during the morning push, with gusts of 15-20kt developing towards the end of the morning push. Winds back to the wsw-sw at kjfk and kisp Thursday afternoon, remaining W to wnw elsewhere. Wind gusts should abate late Thursday afternoon early Thursday evening. Ny metro enhanced aviation weather support... detailed information, including hourly TAF wind component forecasts, can be found at: http: |
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 |
| KPTN6 - 8516945 - Kings Point, NY | 13 mi | 53 min | NE 5.1 G 6 | 48°F | 47°F | 1005.8 hPa (-0.3) | ||
| BRHC3 - 8467150 - Bridgeport, CT | 27 mi | 53 min | E 4.1 G 5.1 | 54°F | 47°F | 1004.6 hPa (-0.7) | ||
| BATN6 - 8518750 - The Battery, NY | 28 mi | 53 min | 55°F | 47°F | 1005.3 hPa (-0.3) | |||
| ROBN4 - 8530973 - Robins Reef, NJ | 32 mi | 53 min | SSE 5.1 G 5.1 | 53°F | 1005.2 hPa (-0.5) | |||
| 44065 - Entrance to New York Harbor | 36 mi | 43 min | S 5.8 G 9.7 | 49°F | 47°F | 1005 hPa | 49°F | |
| BGNN4 - 8519483 - Bergen Point West Reach, NJ | 37 mi | 53 min | 54°F | 50°F | 1004.6 hPa (-0.0) | |||
| MHRN6 | 37 mi | 53 min | E 1.9 G 1.9 | |||||
| SDHN4 - 8531680 - Sandy Hook, NJ | 38 mi | 53 min | Calm G 1 | 51°F | 50°F | 1005.7 hPa (-0.0) | ||
| NWHC3 - 8465705 - New Haven, CT | 43 mi | 53 min | SE 2.9 G 5.1 | 56°F | 49°F | 1005.5 hPa (-0.7) | ||
| 44025 - LONG ISLAND 33 NM South of Islip, NY | 48 mi | 63 min | S 7.8 G 9.7 | 48°F | 44°F | 11 ft | 1004.9 hPa (-0.4) |
Wind History for Kings Point, 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 | S G9 | S G13 | S G10 | SE G9 | S | SE G7 | S G9 | SE G10 | SE G12 | SE G13 | SE G15 | S G19 | S G17 | S G16 | S G15 | S G16 | S G13 | S G12 | NE | -- | S | NE | NE | NE |
| 1 day ago | SW | S | S | S | S | S | -- | NE | E | E | NE | NE | NE G9 | NE G7 | SW | SW G18 | SW | S | SW | S | S G16 | S G11 | S G10 | S G12 |
| 2 days ago | SW | SW | SW | S | S | S | E | SE | E | NE | NE | NE | NE | NE G11 | NE | NE | NE | NE G8 | SW | SW | SW | S | S | S |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Farmingdale - Republic Airport, NY | 12 mi | 60 min | S 5 | 1.00 mi | Fog/Mist | 54°F | 54°F | 100% | 1004.8 hPa |
| White Plains - Westchester County Airport, NY | 17 mi | 1.9 hrs | E 5 | 0.15 mi | Fog | 55°F | 55°F | 100% | 1004.5 hPa |
| New York, Kennedy International Airport, NY | 20 mi | 62 min | N 0 | 0.25 mi | Fog | 53°F | 53°F | 100% | 1005 hPa |
| New York, La Guardia Airport, NY | 20 mi | 62 min | ENE 7 | 0.25 mi | Light Drizzle Fog | 53°F | 52°F | 96% | 1004.5 hPa |
| Islip, Long Island Mac Arthur Airport, NY | 23 mi | 1.9 hrs | SSE 6 | 0.50 mi | Light Drizzle Fog/Mist | 56°F | 55°F | 100% | 1005 hPa |
| New York City, Central Park, NY | 24 mi | 62 min | SE 4 | 1.50 mi | Fog/Mist | 56°F | 55°F | 97% | 1004.3 hPa |
Wind History from FRG (wind in knots)
| 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 | E G17 | E | E | SE | E G17 | SE | E | E | E G20 | E | SE G23 | SE G21 | SE G25 | E G26 | SE G23 | SE G23 | SE G20 | SE | SE | SE | S | S | E | S |
| 1 day ago | S | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | SE | S | S | S | S | S | S | SE | SE | SE | SE | SE | SE |
| 2 days ago | SW | W | W | SW | SW | Calm | Calm | Calm | N | N | NE | E | E | SE | SE | E | SE | SE | SE | SE | S | S | S | S |
Tide / Current Tables for Oyster Bay Harbor, Oyster Bay, New York
EDIT RT Ports Option Weekend mode (on/off) (on/off) Help One Week of Data| Oyster Bay Harbor Click for Map Wed -- 02:18 AM EDT 0.38 feet Low Tide Wed -- 03:55 AM EDT Moonset Wed -- 06:00 AM EDT Sunrise Wed -- 08:20 AM EDT 7.62 feet High Tide Wed -- 02:50 PM EDT 0.06 feet Low Tide Wed -- 03:08 PM EDT Moonrise Wed -- 07:44 PM EDT Sunset Wed -- 08:53 PM EDT 7.86 feet High Tide Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 2.6 | 1.2 | 0.4 | 0.6 | 1.8 | 3.4 | 5.2 | 6.7 | 7.6 | 7.4 | 6.4 | 5 | 3.3 | 1.7 | 0.4 | 0.1 | 0.8 | 2.3 | 4.2 | 6.1 | 7.4 | 7.9 | 7.3 | 6 |
Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
EDIT (on/off) Help One Week of Data| Throg's Neck Click for Map Wed -- 02:23 AM EDT 1.01 knots Max Flood Wed -- 03:56 AM EDT Moonset Wed -- 05:52 AM EDT -0.00 knots Slack Wed -- 06:01 AM EDT Sunrise Wed -- 08:48 AM EDT -0.72 knots Max Ebb Wed -- 12:20 PM EDT 0.00 knots Slack Wed -- 02:50 PM EDT 0.99 knots Max Flood Wed -- 03:10 PM EDT Moonrise Wed -- 06:14 PM EDT -0.00 knots Slack Wed -- 07:45 PM EDT Sunset Wed -- 09:13 PM EDT -0.75 knots Max Ebb Tide / Current data from XTide NOT FOR NAVIGATION |
| 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
| 0.1 | 0.5 | 1 | 0.9 | 0.5 | 0.2 | -0 | -0.3 | -0.6 | -0.7 | -0.5 | -0.2 | -0.1 | 0.2 | 0.8 | 1 | 0.6 | 0.3 | 0.1 | -0.2 | -0.6 | -0.7 | -0.7 | -0.4 |
Weather Map and Satellite Images
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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 New York City/Upton, NY (21,6,7,8)
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Ground Weather Radar Station Upton, 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. |