Monday, April6, 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 6:26AMSunset 7:25PM Monday April 6, 2020 2:01 AM EDT (06:01 UTC) Moonrise 5:46PMMoonset 6:00AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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- 1204 Am Edt Mon Apr 6 2020
Overnight..NW winds around 5 kt. Seas 1 ft or less. Slight chance of showers.
Mon..NW winds around 5 kt. Seas 1 ft or less.
Mon night..W winds around 5 kt. Seas 1 ft or less.
Tue..SW winds 5 to 10 kt. Seas 1 ft or less.
Tue night..SW winds 5 to 10 kt, becoming S after midnight. Seas 1 ft or less. Chance of showers in the evening, then showers likely after midnight.
Wed..NE winds around 5 kt. Seas 1 ft or less. Showers likely, mainly in the morning.
Wed night..E winds around 5 kt, becoming se after midnight. Seas 1 ft or less.
Thu..SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers in the morning, then showers likely in the afternoon.
Thu night..W winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Chance of showers in the evening.
Fri..W winds around 15 kt. Seas around 2 ft.
Fri night..NW winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight.
ANZ300 1204 Am Edt Mon Apr 6 2020
Synopsis for the long island waters and new york harbor.. A weak cold front will pass across the waters tonight. High pressure will then build across the area through Monday night. A low pressure system approaches Tuesday night and moves across early Wednesday. Weak high pressure returns thereafter through Wednesday night. A cold front moves across on Thursday. Low pressure along the cold front deepens within the canadian maritimes Thursday into Friday.


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 060517 AFDOKX

Area Forecast Discussion National Weather Service New York NY 117 AM EDT Mon Apr 6 2020

SYNOPSIS. A weak cold front will pass through the area tonight. High pressure will then build across the area through Monday night. A low pressure system approaches Tuesday night and moves across early Wednesday. Weak high pressure returns thereafter through Wednesday night. A cold front moves across on Thursday. Low pressure along the cold front deepens within the Canadian Maritimes Thursday into Friday. High pressure makes a return going into next weekend with possible impacts of approaching low pressure for the end of next weekend.

NEAR TERM /UNTIL 6 AM THIS MORNING/. A weak cold front across the area tonight. The front already has entered the Lower Hudson Valley and will continue to move through the rest of the forecast area, exiting east shortly after midnight. A few light showers cannot be ruled out with the frontal passage and slight chance to low chance PoPs support ongoing radar trends.

Temperatures will be several degrees above normal, with lows ranging from the lower to mid 40s in outlying areas to the upper 40s across the NYC metro.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM TUESDAY/. On the heels of a weak cold frontal passage, dry and mild conditions will be on tap for Monday, with highs mainly in the 60s. A thermal trough set up across the area in the afternoon could allow for a brief late day seabreeze.

A light west flow Tuesday night and clear skies to start will allow outlying areas to cool down a bit more than the previous night, with lows in the mid 30s in the normally colder spots, to the upper 40s NYC metro. Some mid and high level clouds could be a limiting factor.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/. Active upper level jet to the south of the region to start the long term Tuesday through Wednesday, which will then lift northward closer to the local region Thursday into Friday. The upper level jet looks to remain near or just south of the region for next weekend.

Main widespread rain events for late Tuesday night into Wednesday morning with the low pressure moving across, Thursday with the cold front moving across, and potential for another widespread rain event for the end of next weekend. These approximately coincide with mid level shortwaves moving through the region as well each with their positive vorticity advection.

A lot of uncertainty towards Sunday with ECMWF showing a stronger low moving across and other numerical models showing weaker low pressure and more of a frontal passage.

Warmest day of the long term period is Tuesday. Used a consensus of MOS guidance, with highs in the 60s for much of the area. SW synoptic flow with sea breeze enhancement expected, allowing for gusty flow, keeping Long Island and coastal Connecticut relatively cooler and closer to 60 with more maritime influence. Another mild day forecast Wednesday with more western areas in Lower Hudson Valley, Northeast NJ, NYC a little above normal, with near normal temperatures to the east. Otherwise, temperatures will not depart too much from normals for highs. Lows are forecast to be well above normal Tuesday night and Wednesday night and near normal for the rest of the long term.

AVIATION /05Z MONDAY THROUGH FRIDAY/. A cold front moves through the area tonight. High pressure follows and builds in through Monday.

VFR through the forecast.

Light and variable winds overnight turning NW around 10 kt Monday. Gusts may develop this afternoon in the upper teens. Winds back becoming more westerly Monday afternoon with coastal seabreeze development late in the day.

OUTLOOK FOR 00Z TUESDAY THROUGH FRIDAY. Monday night. VFR. Tuesday-Thursday. VFR during the day Tuesday with a slight chance of showers. MVFR to IFR Tuesday night through Thursday with showers. Becoming VFR with showers ending Thursday night. Friday. VFR.

MARINE. Seas on the ocean will gradually subside overnight as easterly swells diminish. SCA remains through the night as seas will mainly be around 5 ft. Sub-SCA are forecast Monday into Monday night as high pressure builds in from the west.

SCA gusts are forecast Thursday night and Friday across most waters as well as Friday night for the ocean. Ocean seas are forecast to reach near 5 ft Thursday night into Friday as well, mainly to the east of Moriches Inlet. Otherwise, mainly below SCA conditions forecast for the marine long term through Friday night.

HYDROLOGY. No hydrologic impacts are expected through the period.

TIDES/COASTAL FLOODING. Astronomical tides will be increasing Tuesday and Wednesday due to a full moon (supermoon). Isolated minor coastal flooding is possible across the south shore back bays and western LI Sound with high tides on Tuesday. Minor coastal flooding may be more widespread on Wednesday.

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 . Small Craft Advisory until 6 AM EDT early this morning for ANZ350-353-355.

SYNOPSIS . JM/DW NEAR TERM . DS/DW SHORT TERM . DW LONG TERM . JM AVIATION . CB MARINE . JM/DW HYDROLOGY . JM/DW TIDES/COASTAL FLOODING . EQUIPMENT .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44040 - Western Long Island Sound 11 mi71 min NE 7.8 G 12 46°F 45°F
44022 - Execution Rocks 18 mi31 min NE 9.7 G 14 47°F 32°F47°F
KPTN6 - 8516945 - Kings Point, NY 21 mi43 min E 5.1 G 8 47°F 54°F1016 hPa
BRHC3 - 8467150 - Bridgeport, CT 22 mi43 min N 1.9 G 2.9 45°F 48°F1015.1 hPa
BATN6 - 8518750 - The Battery, NY 36 mi43 min 52°F 48°F1015.4 hPa
NWHC3 - 8465705 - New Haven, CT 36 mi43 min Calm G 1.9 45°F 46°F1015 hPa
44065 - Entrance to New York Harbor 40 mi21 min SW 5.8 G 7.8 50°F 1015.1 hPa46°F
ROBN4 - 8530973 - Robins Reef, NJ 40 mi43 min N 5.1 G 6 52°F 1015 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 44 mi43 min 50°F 49°F1015.3 hPa
MHRN6 45 mi43 min Calm G 1.9
SDHN4 - 8531680 - Sandy Hook, NJ 45 mi43 min NW 4.1 G 4.1 53°F 50°F1015.5 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 46 mi71 min 12 G 14 48°F 45°F5 ft1015.1 hPa (-0.6)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY12 mi68 minNNE 310.00 miOvercast49°F44°F83%1015.2 hPa
Islip, Long Island Mac Arthur Airport, NY16 mi65 minNE 38.00 miMostly Cloudy45°F44°F97%1015.1 hPa
White Plains - Westchester County Airport, NY22 mi65 minN 010.00 miA Few Clouds45°F43°F93%1015.5 hPa
Bridgeport, Sikorsky Memorial Airport, CT23 mi69 minNNE 410.00 miFair46°F42°F86%1015.5 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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Last 24hrS7S5SW6S6S6S6S6S4SE5S5SE6SE6SE8SE9SE8S9SE5SE5E3SE4NE3CalmN3N6
1 day agoNE9NE16
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N6S10S8S8S7S6SW6SW8S5S7S6
2 days agoNW11N12
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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
Mon -- 01:42 AM EDT     0.00 knots Slack
Mon -- 05:03 AM EDT     1.12 knots Max Flood
Mon -- 06:00 AM EDT     Moonset
Mon -- 06:29 AM EDT     Sunrise
Mon -- 08:02 AM EDT     -0.00 knots Slack
Mon -- 11:17 AM EDT     -0.84 knots Max Ebb
Mon -- 02:12 PM EDT     0.00 knots Slack
Mon -- 05:28 PM EDT     1.10 knots Max Flood
Mon -- 05:47 PM EDT     Moonrise
Mon -- 07:25 PM EDT     Sunset
Mon -- 08:16 PM EDT     -0.00 knots Slack
Mon -- 11:40 PM EDT     -0.89 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.6-0.20.10.30.81.10.90.40-0.3-0.6-0.8-0.8-0.4-0.10.20.6110.50.1-0.2-0.5-0.8

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 (2,6,7,8)
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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.