Tuesday, January28, 2020
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Marine Weather and Tides
Centerport, NY

Version 3.4
NOTICE
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 7:06AMSunset 5:06PM Tuesday January 28, 2020 12:32 PM EST (17:32 UTC) Moonrise 10:24AMMoonset 9:48PM Illumination 14% Phase: Waxing Crescent; Moon at 4 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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ANZ335 Long Island Sound West Of New Haven Ct/port Jefferson Ny- 758 Am Est Tue Jan 28 2020
Today..NW winds around 10 kt. Seas 1 ft or less.
Tonight..NW winds around 10 kt. Seas around 1 ft.
Wed..NW winds around 10 kt. Seas around 1 ft.
Wed night..N winds around 10 kt. Seas around 1 ft.
Thu..NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 ft or less.
Thu night..S winds around 5 kt, becoming W after midnight. Seas 1 ft or less.
Fri..SW winds around 5 kt. Seas 1 ft or less.
Fri night..SE winds around 5 kt, becoming N after midnight. Seas 1 ft or less.
Sat..NE winds around 5 kt. Seas 1 ft or less. Chance of rain in the afternoon.
Sat night..NW winds 5 to 10 kt. Seas 1 ft or less. Chance of rain in the evening, then chance of rain and snow. Vsby 1 to 3 nm.
ANZ300 758 Am Est Tue Jan 28 2020
Synopsis for the long island waters and new york harbor.. A series of upper level disturbances will move across through this evening. High pressure will then build across through Thursday night, before moving offshore on Friday. There is then much uncertainty with a potential storm passing to the southeast on Saturday.


7 Day Forecast for Marine Location Near Centerport, NY
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location: 40.9, -73.38     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 281714 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1214 PM EST Tue Jan 28 2020

SYNOPSIS. A series of upper level disturbances will move across into tonight. A cold front will also pass through this evening. High pressure will then gradually build in through Thursday night before moving offshore on Friday. There is then much uncertainty with a potential coastal low this weekend.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Made some slight adjustments with temperatures, dewpoints, and cloud coverage to better reflect current observed trends.

Mid level shortwave moving farther southeast of the region with some brief ridging locally through early afternoon will allow for scattering and thinning of clouds. However, expecting the clouds to increase and thicken again mid to late this afternoon in advance of another shortwave from the northwest with a cold front approaching at the surface. For some locations, increased the max temperature slightly.

Mid level disturbances rotating around an upper low in the Canadian Maritimes, and mainly low level cyclonic flow with moisture trapped beneath an H8 inversion, should maintain a decent amount of cloud cover today.

High temps were slightly higher than a MOS blend, upper 30s/near 40 inland and lower 40s metro/coastal sections.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM WEDNESDAY/. Sfc high pressure will build southward into the region tonight, with gradual clearing mainly after midnight, then a mostly sunny day on Wed. Low temps tonight should be in the 20s, perhaps some upper teens in some of the interior valleys, then high temps on Wed should be fairly close to those of today, with upper 30s/lower 40s expected.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. At the onset of the period, an upper trough will be pulling away from the Canadian maritimes, while ridging builds across the east as a trough begin to take shape over the mid section of the country. The latter of which poses a good deal of uncertainty for the upcoming weekend.

Before then though, high pressure builds across the northeast through Thursday night, before retreating offshore on Friday. Temperatures will be a shade below normal Thursday and then moderate into the upcoming weekend with highs around 40 and lows in the 20s inland to the lower 30s at the coast.

For days now, the global guidance has been bouncing around with the intensity and track of a coastal low that develops off the eastern seaboard Friday night into Saturday. Multiple streams within the southern branch itself and complex interaction between embedded shortwaves are producing a variety of solutions. Further compacting this interaction, is additional Pac shortwave energy moving into western Canada today. Overall though, the placement of the upper trough over the east this weekend is not too dissimilar amongst the guidance. The operational GFS is the deepest of the operational members and tracks the low just inside the 40N/70W benchmark on Saturday. The GEFS mean is farther offshore like GGEM and ECMWF, both of which also have a weaker wave passing to the south and east Friday night before the main low. For the time, have a low chance for rain or snow along the coast Friday night and again with the main low Saturday into Saturday night.

Another important fact here is the airmass is only marginally cold and the exact track will be critical in precipitation type. Even the GFS track, which is often favorable for snow at the coast, is supporting mainly rain at the onset with a transition to snow at the end.

Bottom line, it is much too early to be specific with any details at this time. Perhaps, as some of the Pac energy moves onshore today, we will begin to get more consensus in the guidance.

AVIATION /18Z TUESDAY THROUGH SUNDAY/. Low pressure over the Canadian Maritimes slowly moves east as a large area of high pressure gradually builds in from the west.

VFR. BKN-OVC clouds 4-6 kft through this evening should gradually scatter and clear overnight.

NW winds prevail 10-15 kt with gusts to around 20 kt. The gusts should end this around 21-23z. NW winds 5-10 kt continue tonight and then should average around 10 kt on Wednesday.

NY Metro Enhanced Aviation Weather Support .

Detailed information, including hourly TAF wind component forecasts, can be found at: http:/www.weather.gov/zny/n90

KJFK TAF Comments: Gusts may be occasional at times this afternoon.

KLGA TAF Comments: Gusts may be occasional at times this afternoon.

KEWR TAF Comments: Gusts may be occasional at times this afternoon.

KTEB TAF Comments: Gusts may be occasional at times this afternoon.

KHPN TAF Comments: Gusts may be occasional at times this afternoon.

KISP TAF Comments: Gusts may be occasional at times this afternoon.

OUTLOOK FOR 18Z WEDNESDAY THROUGH SUNDAY. Wednesday through Friday night. VFR. Saturday. MVFR or lower possible in rain or snow. Sunday. Mainly VFR. Slight chance rain or snow. NW gusts 15-20 kt possible.

MARINE. Conds on the ocean waters should be just below SCA levels into this evening, with winds gusting just over 20 kt and seas 4 ft. Expect more tranquil conditions late tonight into Friday as high pressure builds in.

The next chance of SCA conditions should be over the weekend, with the potential of a coastal low impacting the waters. Uncertainty in track and intensity remains high.

HYDROLOGY. No hydrologic impacts are anticipated through Friday.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is still operating at reduced power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . None.

SYNOPSIS . Goodman/DW NEAR TERM . Goodman/JM SHORT TERM . Goodman LONG TERM . DW AVIATION . DS MARINE . Goodman/DW HYDROLOGY . Fig/DS EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 11 mi47 min WNW 14 G 19 40°F 1 ft28°F
44022 - Execution Rocks 18 mi47 min WNW 14 G 18 40°F 32°F28°F
KPTN6 - 8516945 - Kings Point, NY 21 mi44 min N 14 G 16 39°F 39°F1010.2 hPa
BRHC3 - 8467150 - Bridgeport, CT 22 mi44 min NNW 6 G 9.9 38°F 40°F1008.7 hPa
BATN6 - 8518750 - The Battery, NY 36 mi44 min 41°F 42°F1009.8 hPa
NWHC3 - 8465705 - New Haven, CT 36 mi44 min N 13 G 16 39°F 39°F1008.1 hPa
44065 - Entrance to New York Harbor 40 mi32 min NW 16 G 19 40°F 1009.7 hPa (-0.3)29°F
ROBN4 - 8530973 - Robins Reef, NJ 40 mi44 min NNW 16 G 19 41°F 1009.7 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 44 mi44 min 41°F 41°F1010 hPa
MHRN6 45 mi44 min WNW 15 G 19
SDHN4 - 8531680 - Sandy Hook, NJ 45 mi44 min NW 13 G 17 41°F 40°F1010.2 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 46 mi42 min 14 G 18 41°F 44°F4 ft1009.2 hPa (+0.5)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY12 mi39 minNW 10 G 1610.00 miOvercast43°F26°F51%1009.2 hPa
Islip, Long Island Mac Arthur Airport, NY16 mi96 minNW 910.00 miMostly Cloudy42°F28°F58%1009.2 hPa
White Plains - Westchester County Airport, NY22 mi96 minNW 1210.00 miMostly Cloudy38°F25°F60%1009.6 hPa
Bridgeport, Sikorsky Memorial Airport, CT23 mi40 minNW 910.00 miOvercast41°F27°F57%1009.1 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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2 days agoE19
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G21

Tide / Current Tables for Northport, Northport Bay, Long Island, New York
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Tue -- 01:53 AM EST     -0.69 knots Max Ebb
Tue -- 04:41 AM EST     0.00 knots Slack
Tue -- 07:09 AM EST     Sunrise
Tue -- 08:06 AM EST     0.95 knots Max Flood
Tue -- 09:25 AM EST     Moonrise
Tue -- 10:57 AM EST     -0.00 knots Slack
Tue -- 02:17 PM EST     -0.65 knots Max Ebb
Tue -- 05:00 PM EST     0.00 knots Slack
Tue -- 05:07 PM EST     Sunset
Tue -- 08:29 PM EST     0.89 knots Max Flood
Tue -- 08:50 PM EST     Moonset
Tue -- 11:01 PM EST     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.6-0.7-0.5-0.20.10.20.60.90.70.3-0-0.2-0.5-0.6-0.6-0.3-00.10.40.80.80.40

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (12,3,4,5)
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Ground Weather Radar Station Upton, NY
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weather_mapweather_map weather_map

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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.