Thursday, July9, 2020
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Marine Weather and Tides
Pelham Manor, 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 5:31AMSunset 8:30PM Thursday July 9, 2020 3:20 AM EDT (07:20 UTC) Moonrise 11:37PMMoonset 9:53AM Illumination 85% Phase: Waning Gibbous; Moon at 19 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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ANZ338 NEw York Harbor- 920 Pm Edt Wed Jul 8 2020
Tonight..S winds 5 to 10 kt, becoming sw late. Waves 1 ft or less.
Thu..SE winds 5 to 10 kt. Waves 1 ft or less.
Thu night..SE winds 5 to 10 kt. Waves 1 ft or less.
Fri..E winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Waves 2 to 3 ft. Showers likely.
Fri night..E winds 10 to 15 kt with gusts up to 25 kt, diminishing to 5 to 10 kt after midnight. Waves 2 to 3 ft. Chance of tstms. Showers likely. Vsby 1 to 3 nm.
Sat..W winds 5 to 10 kt. Waves 2 to 3 ft. Showers likely with chance of tstms in the morning, then showers and tstms likely in the afternoon. Vsby 1 to 3 nm in the morning.
Sat night..SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and tstms.
Sun..SW winds 5 to 10 kt. Waves 1 ft or less. Chance of showers and tstms.
Sun night..SW winds 5 to 10 kt. Waves 1 ft or less.
Mon..SW winds 5 to 10 kt. Waves 1 ft or less.
Mon night..W winds 5 to 10 kt. Waves 1 ft or less. Winds and waves higher in and near tstms.
ANZ300 920 Pm Edt Wed Jul 8 2020
Synopsis for the long island waters and new york harbor.. Weak high pressure through Thursday. Low pressure will then approach from the south Thursday night into Saturday, followed by a series of weak fronts moving through from later Saturday into early next week.


7 Day Forecast for Marine Location Near Pelham Manor village, NY
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location: 40.85, -73.81     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 090648 AFDOKX

Area Forecast Discussion National Weather Service New York NY 248 AM EDT Thu Jul 9 2020

SYNOPSIS. Weak high pressure remains through Thursday. Low pressure will slowly move up the Mid-Atlantic coast Friday into Saturday, followed by a series of weak fronts moving through the region through early next week. High pressure builds in for the middle of the week.

NEAR TERM /UNTIL 6 AM THIS MORNING/. Widespread low stratus has developed over parts of the lower Hudson Valley, CT, and the forks of Long Island, with locally dense valley fog in Orange County. These conds should continue overnight, along with warm and muggy conds with lows in the upper 60s and lower 70s.

SHORT TERM /6 AM THIS MORNING THROUGH THURSDAY NIGHT/. A warm and humid air mass remains for today, with flow becoming more S-SE by afternoon. More subsidence is evident in the mid levels via a passing upper level ridge, so convective coverage will be much less. However, with the expected warmer temperatures (expecting overall a few degrees warmer than the previous day), instability will be higher, and a few showers and thunderstorms will be possible with daytime trough development mainly north and west of NYC. Trough again is very weak, so any convection will quickly subside in the evening with loss of daytime heating.

The ongoing heat advisory will most likely be maintained for urban NE NJ and dropped for NYC. Heat index values there only reached the upper 80s and lower 90s yesterday, and may just barely surpass 95 today in NE NJ.

For tonight, the upper level ridge axis will move east, and low pressure will begin to approach from the south. Clouds will increase, with shower chances also increasing overnight. With continued onshore flow, low temps will remain mild, in the upper 60s and lower 70s.

A moderate risk of rip current development will continue for the ocean beaches via long period S swell.

LONG TERM /FRIDAY THROUGH WEDNESDAY/. Low pressure will move up the Mid Atlantic coast on Friday, passing over the region Friday night into Saturday morning. Showers and thunderstorms are expected, especially Friday afternoon and evening likely just north and east of the surface low as it pulls subtropical Atlantic moisture. Still low confidence on location of the heavy rain potential.

An upper-level trough and its associated cold front will move into the area Saturday, resulting in hot and humid conditions and the increase chance for showers and thunderstorms on Saturday and Sunday. The cold front will move off to the east Monday, but the upper-level trough will remain overhead bringing a potential for diurnal convection as well as a gradual trend to a more seasonable airmass through early next week. High pressure builds back across the area for the middle of the week.

Temperatures during the long term period will be in the upper 80s to near 90 with overnight lows in the upper 60s to mid 70s.

High rip current risk is possible for Friday.

AVIATION /07Z THURSDAY THROUGH MONDAY/. Weak high pressure will remain in control through Thursday.

Low stratus with IFR/LIFR cigs has developed over parts of the lower Hudson Valley, CT, and the forks of Long Island, impacting mainly KHPN/KGON, with valley fog invof KSWF. These conds along wit light S to SSW winds should continue into the early daylight hours.

VFR by about 13Z, with winds backing SE 5-10 kt.

OUTLOOK FOR 06Z FRIDAY THROUGH MONDAY. Late Thursday night. Chance of MVFR or lower cigs, especially near the coast. Friday and Saturday. MVFR or lower cond likely in SHRA/TSRA. E-SE winds G20-25kt for Friday into Friday night. Sunday and Monday. Chance SHRA/TSRA with MVFR or lower cond possible.

MARINE. The pressure gradient will remain relatively weak through Thursday night. Conditions on the forecast waters will remain below SCA thresholds.

As low pressure approaches from the south, SCA conds expected mainly on the ocean waters from Friday and into the weekend. Seas will subside slightly on Sunday, but will remain above SCA conds into early next week.

HYDROLOGY. Urban and poor drainage flood threat exists with any thunderstorm activity through Thursday. Main reason being a lack of steering flow so thunderstorms will be slow moving. Convective coverage will be more isolated Thursday.

There is increasing potential for a moderate to heavy rainfall event Friday into Saturday as a coastal system moves up the Mid- Atlantic coast. Exact timing and track are still uncertain, but this system has the potential to produce at least 1 to 2 inches of rain with higher amounts possible with heavier bands.

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 . Heat Advisory until 6 PM EDT this evening for NYZ072>075-176- 178. NJ . Heat Advisory until 6 PM EDT this evening for NJZ004-006- 103>108. MARINE . None.



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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KPTN6 - 8516945 - Kings Point, NY 4 mi50 min SW 5.1 G 6 74°F 1015.4 hPa
44022 - Execution Rocks 5 mi35 min SSW 5.8 G 7.8 74°F 73°F
44040 - Western Long Island Sound 14 mi20 min S 5.8 G 5.8 74°F 1 ft73°F
BATN6 - 8518750 - The Battery, NY 15 mi50 min 75°F 74°F1015 hPa
ROBN4 - 8530973 - Robins Reef, NJ 19 mi50 min SW 1.9 G 1.9 75°F 1014.7 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 23 mi50 min 74°F 76°F1014.8 hPa
MHRN6 24 mi50 min SSW 6 G 6
SDHN4 - 8531680 - Sandy Hook, NJ 28 mi50 min SSW 6 G 7 75°F 77°F1015.2 hPa
44065 - Entrance to New York Harbor 34 mi160 min S 9.7 G 12 1014.3 hPa
BRHC3 - 8467150 - Bridgeport, CT 40 mi50 min SW 1.9 G 1.9 74°F 71°F1014.2 hPa

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New York, La Guardia Airport, NY6 mi29 minSSW 510.00 miMostly Cloudy79°F69°F72%1014.3 hPa
New York City, Central Park, NY10 mi29 minWSW 310.00 miFair76°F70°F82%1014.5 hPa
Teterboro, Teterboro Airport, NJ13 mi29 minN 010.00 miFair75°F71°F88%1014.2 hPa
New York, Kennedy International Airport, NY13 mi29 minSSW 410.00 miMostly Cloudy74°F72°F94%1014.9 hPa
White Plains - Westchester County Airport, NY17 mi84 minN 05.00 miFog/Mist72°F70°F94%1014.4 hPa
Newark, Newark International Airport, NJ21 mi29 minS 310.00 miMostly Cloudy75°F72°F90%1014.5 hPa
Farmingdale - Republic Airport, NY23 mi27 minSW 610.00 miA Few Clouds77°F72°F85%1014.8 hPa

Link to 5 minute data for KLGA

Wind History from LGA (wind in knots)
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Last 24hrS5S5S6S8S10SW965S9S9S11
G16
S13S7NW8S10S8S9S7SE4S7S11S5SW7SW5
1 day agoE7E5E7NE7NE7NE9NE12NE13NE11NE13NE11NE13NE10SE9SE11SE8SE9SE8NE8NE6S5S6SW9SW6
2 days agoCalmNE5CalmNE6E4NE3E6NE7NE8E74NE11S18
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Tide / Current Tables for City Island, New York
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City Island
Click for Map
Thu -- 03:11 AM EDT     7.52 feet High Tide
Thu -- 05:32 AM EDT     Sunrise
Thu -- 09:48 AM EDT     0.50 feet Low Tide
Thu -- 09:53 AM EDT     Moonset
Thu -- 03:48 PM EDT     7.25 feet High Tide
Thu -- 08:28 PM EDT     Sunset
Thu -- 09:55 PM EDT     1.04 feet Low Tide
Thu -- 11:36 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.26.27.27.57.36.34.42.31.10.60.51.12.956.57.17.26.75.23.21.71.211.4

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
Click for Map
Thu -- 12:18 AM EDT     -0.00 knots Slack
Thu -- 03:29 AM EDT     -0.67 knots Max Ebb
Thu -- 05:32 AM EDT     Sunrise
Thu -- 06:26 AM EDT     0.00 knots Slack
Thu -- 09:37 AM EDT     0.92 knots Max Flood
Thu -- 09:53 AM EDT     Moonset
Thu -- 12:26 PM EDT     -0.00 knots Slack
Thu -- 03:51 PM EDT     -0.67 knots Max Ebb
Thu -- 06:45 PM EDT     0.00 knots Slack
Thu -- 08:28 PM EDT     Sunset
Thu -- 10:02 PM EDT     0.93 knots Max Flood
Thu -- 11:36 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.1-0.2-0.4-0.6-0.6-0.4-0.10.10.40.80.90.50.1-0.1-0.3-0.6-0.7-0.5-0.200.20.60.90.7

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 (3,6,7,8)
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Ground Weather Radar Station Upton, NY
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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.