Tuesday, September26, 2017 L-36.com


Marine Weather and Tides
New York, NY

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
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.

Sunrise 6:47AMSunset 6:46PM Tuesday September 26, 2017 10:32 AM EDT (14:32 UTC) Moonrise 12:50PMMoonset 10:55PM Illumination 34% 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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ANZ338 NEw York Harbor- 950 Am Edt Tue Sep 26 2017
This afternoon..E winds around 5 kt. Waves 1 ft or less.
Tonight..E winds around 5 kt, becoming ne around 5 kt after midnight. Waves around 2 ft. Patchy fog after midnight with vsby 1 to 3 nm.
Wed..NE winds around 5 kt. Waves around 2 ft. Patchy fog in the morning with vsby 1 to 3 nm.
Wed night..E winds 5 to 10 kt, becoming ne after midnight. Waves 1 ft or less, then around 2 ft after midnight.
Thu..N winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft.
Thu night..N winds 10 to 15 kt. Waves 1 ft or less.
Fri..NW winds 5 to 10 kt. Waves 1 ft or less.
Fri night..W winds around 5 kt. Waves 1 ft or less.
Sat..N winds 5 to 10 kt. Waves 1 ft or less.
Sat night..N winds 5 to 10 kt. Waves 1 ft or less.
ANZ300 950 Am Edt Tue Sep 26 2017
Synopsis for the long island waters and new york harbor.. High pressure slowly retreats to the east through Wednesday as hurricane maria tracks northeast off the mid atlantic coast. Refer to statements form the national hurricane center for the latest on maria. A cold front moves through the region Wednesday night, followed by brief high pressure building in from the west through late week. Another cold front passes through Friday night, followed by high pressure settling in through Saturday night.

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 261320
afdokx
area forecast discussion
national weather service new york ny
920 am edt Tue sep 26 2017

Synopsis
High pressure slowly retreats to the east through Wednesday as
hurricane maria tracks northeast off the mid atlantic coast.

Refer to statements form the national hurricane center for the
latest on maria. A cold front moves through the region
Wednesday night, followed by brief high pressure building in
from the west through late week. Another cold front passes
through Friday night, followed by high pressure settling in
through the weekend.

Near term until 6 pm this evening
The forecast remains on track this morning with fog lifting and
skies gradually clearing. Stratus, mainly east of the hudson,
is expected to mix out by early afternoon leaving just thin
cirrus resulting a sunny afternoon.

High surf and rip current potential continues along the south
shore of long island.

Short term 6 pm this evening through 6 pm Wednesday
Swells from maria will continue to produce high, dangerous surf
through Wednesday and quite likely dangerous rip currents as
well, with swells progged to around 10 ft 14 seconds at 44025
and 10-11ft 14 seconds at 44017. As a result have extended the
high surf advisory for all atlantic beaches through 22z
Wednesday and have continued with the high rip current risk for
tonight.

Otherwise, the northern stream ridge axis exits to the northeast
and wsw flow sets up aloft for Wednesday. There could be a weak
700 hpa shortwave passing Wednesday afternoon, so have a slight
chance of showers then, otherwise it should be dry.

The fog stratus deck should return tonight, and likely will be
more extensive than it was last night early this morning. The
main thing that is unknown is how dense the fog will be will
the area be more mainly just stratus. So for now playing things
as patchy fog, but definitely cannot rule out areas of dense
fog, especially over eastern areas. Lows tonight should be
around 10-15 degrees above normal.

This deck should be slower to erode on Wednesday than today. As
a result, even with low level temperatures forecast to be a
degree or so warmer than today, did not change high temperatures
much from today. Once again, continue to have a bust potential
on the low side (by 5-10 degrees) if the stratus deck does not
erode at all.

Long term Wednesday night through Monday
A cold front moves through the region Wednesday night. Meanwhile,
moisture associated with maria tries to sneak in mainly over the
eastern zones. Will go with low chances of showers for most areas,
but focused more to the east of the city.

Aside from a lingering shower possible early in the morning in the
vicinity of the twin forks, Thursday should be dry as high pressure
builds in. Leaned towards the warmer side of guidance for high
temperatures based on forecast 850-900mb temps during the afternoon.

It will begin to feel less muggy as well with dewpoints falling to
around 50 by the end of the day. A return to seasonable temperatures
then follows for Friday as high pressure remains over the region.

Global models differ in the timing of the next cold front, but best
guess right now is that it moves through at some point during Friday
night with a slight chance of showers. An upper trough cold pool
aloft follows for Saturday so some instability showers are possible.

Kept pops at slight chance for this. Highs for Saturday mostly 65-70.

High pressure continues to build in for Sunday and Monday with dry
weather and high temperatures generally around 70.

Aviation 13z Tuesday through Saturday
Weakening high pressure remains across the region through the
taf period.

Flight categories primarily in the ifr lifr range with
visibilities gradually improving east of the city terminals.

Low ceilings will continue through 15-16z before improving to
vfr. Kisp and kgon may take a bit longer to improve. Low
ceilings return tonight after 00z.

Ne E winds this morning and shift to the SE from the late
morning into early afternoon. Speeds will be 10 kt or less
through the day.

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 mi45 min ENE 4.1 G 6 68°F 72°F1018.7 hPa
ROBN4 - 8530973 - Robins Reef, NJ 12 mi45 min ESE 4.1 G 5.1 71°F 1018.6 hPa
BATN6 - 8518750 - The Battery, NY 12 mi45 min 72°F 72°F1018.6 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 15 mi45 min 73°F 73°F1017.9 hPa
44065 - Entrance to New York Harbor 16 mi43 min ENE 9.7 G 12 67°F 72°F5 ft1017 hPa (+0.7)67°F
MHRN6 16 mi45 min E 1 G 1.9
KPTN6 - 8516945 - Kings Point, NY 19 mi45 min NE 4.1 G 6 70°F 72°F1018.6 hPa
44022 - Execution Rocks 25 mi33 min ENE 5.8 G 7.8 71°F 68°F
44025 - LONG ISLAND 33 NM South of Islip, NY 44 mi43 min ENE 9.7 G 12 65°F 69°F7 ft1017.9 hPa (+1.0)50°F
44069 44 mi78 min E 5.8 G 7.8 67°F 73°F67°F

Wind History for Sandy Hook, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New York, Kennedy International Airport, NY10 mi42 minE 38.00 miMostly Cloudy71°F66°F87%1018.1 hPa
New York City, Central Park, NY16 mi42 minN 09.00 miOvercast72°F66°F84%1017.9 hPa
New York, La Guardia Airport, NY16 mi42 minVar 510.00 miOvercast71°F68°F90%1017.8 hPa
Newark, Newark International Airport, NJ19 mi42 minESE 39.00 miMostly Cloudy74°F66°F76%1017.8 hPa
Teterboro, Teterboro Airport, NJ23 mi42 minN 06.00 miA Few Clouds with Haze76°F66°F74%1017.4 hPa

Wind History from JFK (wind in knots)
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Last 24hr3SE4S7S7S9SE7SE7SE8SE6SE9SE5E3E3NE4CalmE3SE5E3N6NE5NE5NE6NE3E3
1 day agoN8N6NE9NE8S9S7SE6SE5SE3CalmS4SE3S4SE3CalmE4SE3NE4NE3CalmCalmNE4S5S4
2 days agoN13
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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
Tue -- 12:33 AM EDT     4.60 feet High Tide
Tue -- 06:18 AM EDT     1.10 feet Low Tide
Tue -- 06:47 AM EDT     Sunrise
Tue -- 12:49 PM EDT     Moonrise
Tue -- 12:57 PM EDT     5.14 feet High Tide
Tue -- 06:45 PM EDT     Sunset
Tue -- 07:08 PM EDT     1.14 feet Low Tide
Tue -- 10:54 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
4.54.5432.11.41.11.21.82.73.74.44.95.14.83.92.921.41.11.31.92.83.5

Tide / Current Tables for The Narrows, Midchannel, New York Harbor, New York Current
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The Narrows
Click for Map
Tue -- 02:32 AM EDT     -0.00 knots Slack
Tue -- 05:44 AM EDT     -1.63 knots Max Ebb
Tue -- 06:47 AM EDT     Sunrise
Tue -- 09:29 AM EDT     0.00 knots Slack
Tue -- 11:55 AM EDT     1.53 knots Max Flood
Tue -- 12:50 PM EDT     Moonrise
Tue -- 03:06 PM EDT     -0.00 knots Slack
Tue -- 06:23 PM EDT     -1.67 knots Max Ebb
Tue -- 06:46 PM EDT     Sunset
Tue -- 10:21 PM EDT     0.00 knots Slack
Tue -- 10:55 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.210.5-0.4-1.2-1.5-1.6-1.3-0.8-0.30.41.31.51.40.90.1-0.8-1.3-1.6-1.6-1.2-0.9-0.30.6

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 (10,2,3,4)
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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.