Friday, March24, 2017 L-36.com


Marine Weather and Tides
New York, NY

Version 3.4
What's New / NOTES
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 6:49AMSunset 7:14PM Friday March 24, 2017 9:53 PM EDT (01:53 UTC) Moonrise 4:52AMMoonset 3:35PM Illumination 7% Phase: Waning Crescent; Moon at 27 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- 716 Pm Edt Fri Mar 24 2017
Tonight..SW winds 5 to 10 kt. Waves 1 ft or less.
Sat..W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft or less...then 1 to 2 ft in the afternoon. Chance of light rain in the afternoon.
Sat night..NE winds 10 to 15 kt with gusts up to 20 kt. Waves 1 ft or less...then around 2 ft after midnight. Chance of light rain. Patchy fog. Vsby 1 to 3 nm.
Sun..E winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. Chance of light rain or drizzle.
Sun night..E winds 10 to 15 kt. Waves 2 to 3 ft...subsiding to 1 to 2 ft after midnight. Light rain likely.
Mon..S winds 5 to 10 kt. Waves 1 to 2 ft. Rain likely.
Mon night..S winds 5 to 10 kt...diminishing to around 5 kt after midnight. Waves 1 to 2 ft. Chance of rain.
Tue..E winds 5 to 10 kt...becoming ne after midnight. Waves 1 ft or less. Chance of rain.
Wed..N winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 716 Pm Edt Fri Mar 24 2017
Synopsis for long island waters and new york harbor.. A back door cold front approaches tonight...and moves through the waters Saturday. Low pressure gradually approaches from the west Sunday...and moves across on Monday. Another frontal system may impact the region Tuesday and Wednesday.

7 Day Forecast for Marine Location Near New York, NY
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location: 40.55, -73.89     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 242349
afdokx
area forecast discussion
national weather service new york ny
749 pm edt Fri mar 24 2017

Synopsis
A cold front over southern canada will drift south through the
tri-state region on Saturday. An unsettled weather pattern
continues Sunday into the middle of next week. Cold front to our
south returns to the region Sunday night into Monday and moves
offshore Monday night. Another frontal system approaches on
Tuesday and moves across Tuesday night into Wednesday. High
pressure returns Thursday ahead of the next front on Friday.

Near term /until 6 am Saturday morning/
Mid and high level clouds will remain through the overnight with
a few breaks from time to time. Temperatures vary drastically
in the SW flow this evening, which is common in the early spring
due to the cold nearshore waters. Parts of the nyc metro are in
the mid and upper 50s, while most locations were in the mid
40s. Temperatures will fall slightly overnight and then level
off. Lows will average 10 to 15 degrees above normal due to the
sw flow and cloud cover.

Short term /6 am Saturday morning through Saturday night/
A cold front over southern ontario will track south through the
area by late Saturday morning into the afternoon. The timing is
pretty consistent between the NAM and gfs, so the NAM was used
in the grids. This translates into falling temperatures across
the northern half of the forecast area by afternoon, with the
fall in temperatures later in the day across new jersey zones.

Water vapor indicates a moisture stream from the subtropical
pacific into the southeastern united states. This will allow for
some deeper moisture to penetrate into the region during the day
and through the night. The upper jet will be passing from
southern canada into northern new england at this time,
producing some broad lift. With these factors combining, light
rain has been forecast for the area mainly Saturday afternoon
and Saturday night. Easterly component low level flow could
allow for some fog or drizzle development particularly
overnight. Patchy fog has been maintained in the forecast along
with the light rain as a result.

The downscaled NAM was used for temperatures Saturday to account
for the cold frontal passage. A blend of guidance was used
Saturday night.

There is a low chance that temperatures approach freezing late
Saturday night which could result in some pockets of interior
icing. The probability is low at this time, so it has not been
included in this forecast.

Long term /Sunday through Friday/
Unsettled, progressive weather pattern will persist from Sunday
through the upcoming week. Deterministic models and ensembles are in
general agreement with the synoptic scale, with differences arising
in the timing and amplitude of several shortwaves to move across.

Backdoor front will be well to the south on Sunday with high
pressure building south of out of quebec. Warm air overrunning the
stable, cool layer at the surface will keep low clouds throughout
the day and the chance for light rain or drizzle.

Upper level ridging will be in place, so there is not much support
for widespread precipitation. Temperatures will be held down in the
lower and middle 40s due to onshore flow and cloudy conditions.

Cutoff low over the central states on Sunday will open and lift
towards the great lakes Sunday night and then continue to dampen out
as it moves towards the region on Monday. Upper ridge axis gradually
moves offshore allowing for better lift for more widespread
rainfall. Pops increase to likely for much of the area late Sunday
night into Monday morning with categorical across the north closer
to the shortwave energy and best lift.

Shortwave axis quickly moves east Monday afternoon and evening,
which will take the lingering front to the south and east.

Brief ridging moves across Monday night with another shortwave on
its heels for Tuesday. This is where deterministic runs and
ensembles begin to diverge further as the latest 12z ECMWF flattens
this next shortwave out as it passes whereas the 12z GFS and the
gefs are more amplified, bringing a weak low pressure across the
region. Have capped pops off in the chance range due to the
uncertainty on the amplitude of this wave. In either case, mostly
cloudy to overcast skies continue.

An amplifying shortwave across southeast canada sends a shortwave
across new england on Wednesday, but frontal boundary should be well
offshore at this time, so improving conditions are expected. High
pressure than follows on Thursday before another frontal system
approaches for Friday.

Near seasonable temperatures are forecast on Monday with
temperatures returning to above normal levels Tuesday into
Wednesday. Seasonable temperatures are currently expected for the
end of the week.

Aviation /23z Friday through Wednesday/
A cold front approaches from the north tonight, then presses to
the south Saturday morning. High pressure then builds down from
the north into Saturday evening.

Vfr through at least 6z. MVFR conditions develop late
tonight/Saturday morning from n-s across the tri-state. Ifr
conditions develop Saturday afternoon, with patchy lifr
conditions possible.

S winds at 10 kt or less become SW tonight, then light and
variable throughout by 12z. N then NE winds develop Saturday
afternoon, with speeds around 10 kt at city/long island
terminals and less than 10 kt elsewhere.

Ny metro enhanced aviation weather support...

detailed information, including hourly TAF wind component forecasts,
can be found at: http:/

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDHN4 - 8531680 - Sandy Hook, NJ 9 mi53 min WSW 9.9 G 12 53°F 41°F1020.3 hPa (+1.3)
ROBN4 - 8530973 - Robins Reef, NJ 12 mi53 min WSW 8 G 9.9 55°F 1021.3 hPa (+1.0)
BATN6 - 8518750 - The Battery, NY 12 mi53 min 52°F 41°F1020.9 hPa (+1.1)
BGNN4 - 8519483 - Bergen Point West Reach, NJ 15 mi53 min 54°F 41°F1020.9 hPa (+1.0)
44065 - Entrance to New York Harbor 16 mi63 min SSW 12 G 16 44°F 42°F6 ft1021.2 hPa (+1.2)41°F
MHRN6 16 mi53 min WSW 7 G 11
KPTN6 - 8516945 - Kings Point, NY 19 mi53 min 8 G 8 45°F 38°F1020.6 hPa (+0.6)
44040 - Western Long Island Sound 33 mi68 min NNE 1.9 G 1.9 43°F 36°F
44025 - LONG ISLAND 33 NM South of Islip, NY 44 mi63 min SW 21 G 25 45°F 40°F7 ft1020.8 hPa (-0.0)

Wind History for Sandy Hook, NJ
(wind in knots)    EDIT      (on/off)   Help
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SW8
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G16
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New York, Kennedy International Airport, NY10 mi62 minS 810.00 miMostly Cloudy44°F39°F83%1021.3 hPa
New York City, Central Park, NY16 mi62 minWSW 9 G 1510.00 miFair55°F34°F45%1020.6 hPa
New York, La Guardia Airport, NY16 mi62 minSW 910.00 miMostly Cloudy57°F34°F42%1020.5 hPa
Newark, Newark International Airport, NJ19 mi62 minSW 910.00 miMostly Cloudy54°F33°F45%1021 hPa
Teterboro, Teterboro Airport, NJ23 mi62 minSW 710.00 miFair53°F35°F51%1020.6 hPa

Wind History from JFK (wind in knots)
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Last 24hrS9S6S9SW6SW8SW4S9SW9SW12SW13SW12S13S17S18S15S19S17S20
G26
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1 day agoNW24
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NW14NW14NW12NW9NW7NW9N8NW11NW10NW12NW6NW11
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2 days agoW6W8N10N8N4NW5NW16NW17
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Tide / Current Tables for Barren Island, Rockaway Inlet, Jamaica Bay, New York
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Barren Island
Click for Map
Fri -- 04:51 AM EDT     Moonrise
Fri -- 05:35 AM EDT     5.01 feet High Tide
Fri -- 06:51 AM EDT     Sunrise
Fri -- 12:03 PM EDT     0.27 feet Low Tide
Fri -- 03:34 PM EDT     Moonset
Fri -- 06:05 PM EDT     4.74 feet High Tide
Fri -- 07:12 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.71.42.53.64.44.954.43.52.41.50.60.30.61.62.83.74.44.74.53.72.71.70.8

Tide / Current Tables for The Narrows, Midchannel, New York Harbor, New York Current
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The Narrows
Click for Map
Fri -- 02:14 AM EDT     0.00 knots Slack
Fri -- 04:48 AM EDT     1.61 knots Max Flood
Fri -- 04:52 AM EDT     Moonrise
Fri -- 06:52 AM EDT     Sunrise
Fri -- 07:55 AM EDT     -0.00 knots Slack
Fri -- 11:08 AM EDT     -1.96 knots Max Ebb
Fri -- 02:54 PM EDT     0.00 knots Slack
Fri -- 03:35 PM EDT     Moonset
Fri -- 05:22 PM EDT     1.48 knots Max Flood
Fri -- 07:12 PM EDT     Sunset
Fri -- 08:14 PM EDT     -0.00 knots Slack
Fri -- 11:26 PM EDT     -1.92 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-1.3-0.9-0.20.81.51.61.50.9-0.1-1-1.6-2-1.8-1.3-0.80.11.11.51.41.10.2-0.8-1.5-1.9

Weather Map and Satellite Images
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Weather Map
wmap_A
IR Satellite Image from GEOS
east_satellite

GOES Local Image of Mid-Atlantic    EDIT
Geos

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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weather_mapweather_map weather_map

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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.