Sunday, March29, 2020
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Marine Weather and Tides
Centre Island, 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 6:39AMSunset 7:17PM Sunday March 29, 2020 1:51 PM EDT (17:51 UTC) Moonrise 9:34AMMoonset 12:00AM Illumination 31% Phase: Waxing Crescent; Moon at 6 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- 1226 Pm Edt Sun Mar 29 2020
.dense fog advisory in effect until 6 am edt Monday...
.small craft advisory in effect until 2 pm edt this afternoon...
This afternoon..NE winds 10 to 15 kt. Gusts up to 25 kt early. Seas 3 to 5 ft, then 2 to 4 ft late. Chance of light rain and drizzle. Areas of fog. Vsby less than 1 nm.
Tonight..NE winds 5 to 10 kt, becoming N after midnight. Seas 2 to 3 ft this evening, then 1 to 2 ft. Chance of light rain and drizzle. Areas of fog. Vsby less than 1 nm.
Mon..N winds 5 to 10 kt. Seas 1 ft or less. Patchy fog in the morning. Chance of showers in the afternoon. Vsby 1 to 3 nm in the morning.
Mon night..NE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
Tue..NE winds 5 to 10 kt. Seas 1 ft or less.
Tue night..E winds 5 to 10 kt. Seas 1 ft or less.
Wed..NE winds 5 to 10 kt. Seas 1 ft or less.
Wed night..N winds 5 to 10 kt. Seas 1 ft or less.
Thu..NW winds around 10 kt. Seas 1 ft or less.
Thu night..NW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 1226 Pm Edt Sun Mar 29 2020
Synopsis for the long island waters and new york harbor.. Weak low pressure will pass east along a stationary front to the south today. The front and low will weaken while lifting out to the northeast tonight into early Monday. Low pressure over the great lakes will weaken Monday into Tuesday as it approaches. Another low will pass well south and east mid week, followed by high pressure to close out the week.


7 Day Forecast for Marine Location Near Centre Island, NY
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location: 40.94, -73.51     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 291633 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1233 PM EDT Sun Mar 29 2020

SYNOPSIS. Weak low pressure off the southern New Jersey coast will pass east along a stationary front to the south this afternoon. A stronger low well to the northwest will drag a weak cold front across tonight. This low will then weaken into a trough approaches ad moves across from Monday into Tuesday. Another low will pass well south and east during mid week, followed by high pressure.

NEAR TERM /THROUGH TONIGHT/. Cluster of showers/tstms along elevated warm front passed N of NYC as expected and moving across srn CT. Sfc warm front should remain well to the south as a wave of low pressure E of Cape May moves ENE toward greatest pressure falls S of Nantucket. Low clouds and light rain/drizzle/fog will persist. Will be evaluating potential for dense fog especially close to the coast as low level moisture remains and winds become light throughout.

Highs today in the upper 40s/lower 50s should fall to the upper 30s to mid 40s overnight.

SHORT TERM /MONDAY THROUGH TUESDAY/. Stacked low to our northwest weakens as it heads towards us on Monday. Limited instability will be present in the associated cold pool aloft. This could trigger some showers mainly in the afternoon, but will maintain a forecast with no more than chance PoP. High temperature forecast will be tricky for Monday with a wide spread among guidance. Models seem to agree on a mostly cloudy afternoon, so will hedge slightly towards the cooler guidance.

The low pressure center to our NW continues to slowly head our way Monday night into Tuesday. It weakens while doing do as it becomes part of trough, and the transfer of energy is shifted toward the offshore low to our east. Will still cap PoPs at chance for now, but best overall chances will be with the moisture convergence along this surface trough that shifts south and west through the forecast area. It should no longer be a threat after Tuesday morning, but it probably remains on the cloudy side with an east to northeast low level flow. Highs on Tuesday therefore below normal.

LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/. Mainly dry through the rest of the week. However, there will be chances for passing showers as a coastal low passes well south and east Tuesday night into Wednesday, mainly across western and southern sections.

As the storm intensifies and expands well east of the region Thursday night, the western edge of the precipitation field will move westward toward our area. Some vorticity maxima may move through aloft, as well as spokes of surface troughs rotating around the low which will aid in the possibility for showers, but right now, looks to only be a slight chance for extreme eastern areas.

Thereafter, dry conditions are forecast through the end of the week with high pressure building in.

Other than some above normal temperatures for Monday, seasonable temperatures are expected through the week.

AVIATION /18Z SUNDAY THROUGH FRIDAY/. A brief isolated thunderstorm is possible at KBDR through 17Z.

A stalled out frontal boundary just to the south of the area and nearby low pressure will result in intermittent light rain or drizzle and widespread IFR/LIFR conditions through tonight.

Additionally, E/NE winds will vary from around 10 kt across the NYC metro, to as strong as 15-20 kt with gusts 25-30 kt at the CT coastal terminals. Winds will gradually diminish from SW to NE this afternoon.

Wind direction becomes more variable tonight into early Monday,. with speeds 5 kt or less.

OUTLOOK FOR 12Z MONDAY THROUGH THURSDAY. Monday. IFR/LIFR early. Otherwise MVFR to VFR. Chance of rain showers. Tuesday. Low chance of rain showers with MVFR possible. Wednesday. MVFR possible. Low chance of rain showers. Thursday. VFR.

MARINE. With land vsby already 1-3 nm right along the coast and likely lower over the water, and likely lowering further as winds into tonight, have issued dense fog advy issued for all waters through tonight. Advy in effect right way for the western waters, and starting 2 PM out east where higher winds are still helping keep vsby higher.

Winds on the sound and ern ocean waters today should remain stronger than fcst today, gusting to 30 kt, and so SCA on the ern non ocean waters has been extended into the afternoon. SCA dropped for NY Harbor, the western Sound, and the south shore bays, where winds are lighter and gusting no higher than 20 kt.

Hazardous ocean seas should last into Mon afternoon.

Expecting winds to diminish throughout tonight, and remain below SCA levels into Monday night, except for the ocean E Fire Island Inlet late Mon night into Tue.

HYDROLOGY. No hydrologic impacts expected.

EQUIPMENT. NYC NOAA Weather Radio Station KWO35 (162.55 MHz) is undergoing its final stages of testing, and is operating at full power.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Dense Fog Advisory until 6 AM EDT Monday for ANZ335-338-345- 353-355. Dense Fog Advisory until 6 AM EDT Monday for ANZ330-340-350. Small Craft Advisory until 6 PM EDT this evening for ANZ330- 340. Small Craft Advisory until 2 PM EDT this afternoon for ANZ335. Small Craft Advisory until 6 PM EDT Monday for ANZ350-353. Small Craft Advisory until 2 PM EDT Monday for ANZ355.



SYNOPSIS . JC/Goodman/JP NEAR TERM . JC/Goodman SHORT TERM . JC LONG TERM . JP AVIATION . DW MARINE . Goodman/JM/JP HYDROLOGY . JC/JP


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 4 mi67 min E 21 G 29 44°F 4 ft44°F
44022 - Execution Rocks 12 mi52 min ENE 23 G 29 44°F 32°F44°F
KPTN6 - 8516945 - Kings Point, NY 16 mi52 min ENE 7 G 15 46°F 50°F1014.7 hPa (-1.9)
BRHC3 - 8467150 - Bridgeport, CT 24 mi52 min E 14 G 22 45°F 44°F1015.9 hPa (-1.8)
BATN6 - 8518750 - The Battery, NY 31 mi52 min 47°F 46°F1014.7 hPa (-1.3)
ROBN4 - 8530973 - Robins Reef, NJ 35 mi52 min NE 14 G 16 46°F 1014.6 hPa (-1.1)
BGNN4 - 8519483 - Bergen Point West Reach, NJ 40 mi52 min 47°F 48°F1014.5 hPa (-1.8)
MHRN6 40 mi52 min NNE 8 G 14
NWHC3 - 8465705 - New Haven, CT 40 mi52 min ESE 9.9 G 18 47°F 44°F1016.1 hPa (-1.8)
44065 - Entrance to New York Harbor 41 mi32 min ENE 19 G 23 46°F 1012.9 hPa46°F
SDHN4 - 8531680 - Sandy Hook, NJ 42 mi52 min ENE 12 G 18 48°F 47°F1014 hPa (-1.8)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY15 mi59 minE 12 G 152.00 miFog/Mist51°F46°F86%1014.5 hPa
White Plains - Westchester County Airport, NY15 mi56 minENE 17 G 231.25 miLight Drizzle Fog/Mist45°F43°F93%1014.7 hPa
New York, La Guardia Airport, NY23 mi61 minENE 141.50 miLight Drizzle Fog/Mist47°F44°F90%1013.5 hPa
Islip, Long Island Mac Arthur Airport, NY24 mi56 minENE 91.00 miFog/Mist48°F48°F100%1015.1 hPa
New York, Kennedy International Airport, NY24 mi61 minNE 141.00 miLight Drizzle Fog/Mist49°F48°F100%1013.6 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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1 day agoN15
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N10N5N5CalmN4N5CalmN4N6N5NE3NE4NE5E8E7E8E8E9E9
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2 days agoW7CalmW3S7S12
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S7S4S5SE3S3CalmCalmCalmW4W4W3W3SW4CalmNW8NW13NW12
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Tide / Current Tables for Bayville Bridge, Oyster Bay, Long Island, New York
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Bayville Bridge
Click for Map
Sun -- 03:05 AM EDT     7.58 feet High Tide
Sun -- 06:41 AM EDT     Sunrise
Sun -- 09:33 AM EDT     Moonrise
Sun -- 09:37 AM EDT     0.44 feet Low Tide
Sun -- 03:35 PM EDT     6.86 feet High Tide
Sun -- 07:16 PM EDT     Sunset
Sun -- 09:46 PM EDT     1.01 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.15.87.17.67.264.42.71.40.60.51.32.84.55.96.76.864.73.221.211.6

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Sun -- 12:18 AM EDT     -0.00 knots Slack
Sun -- 04:06 AM EDT     -0.60 knots Max Ebb
Sun -- 06:32 AM EDT     0.00 knots Slack
Sun -- 06:42 AM EDT     Sunrise
Sun -- 09:34 AM EDT     Moonrise
Sun -- 10:35 AM EDT     0.85 knots Max Flood
Sun -- 12:48 PM EDT     -0.00 knots Slack
Sun -- 04:33 PM EDT     -0.56 knots Max Ebb
Sun -- 06:56 PM EDT     0.00 knots Slack
Sun -- 07:17 PM EDT     Sunset
Sun -- 11:00 PM EDT     0.80 knots Max Flood
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.2-0.3-0.5-0.6-0.5-0.20.10.30.40.80.80.4-0.1-0.2-0.4-0.5-0.5-0.300.20.30.60.8

Weather Map
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wmap_A
GEOS 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (13,3,4,5)
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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 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.