Thursday, March23, 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 6:51AMSunset 7:13PM Thursday March 23, 2017 6:32 AM EDT (10:32 UTC) Moonrise 4:11AMMoonset 2:33PM Illumination 18% Phase: Waning Crescent; Moon at 25 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- 406 Am Edt Thu Mar 23 2017
Today..NW winds 10 to 15 kt. Gusts up to 20 kt early this morning. Waves 1 ft or less.
Tonight..W winds 5 to 10 kt...becoming sw after midnight. Waves 1 ft or less.
Fri..SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Waves 1 ft or less...then 1 to 2 ft in the afternoon.
Fri night..SW winds 10 to 15 kt with gusts up to 20 kt... Diminishing to 5 to 10 kt after midnight. Waves 1 ft or less.
Sat..SW winds 5 to 10 kt. Waves 1 to 2 ft in the morning...then 1 ft or less. Chance of light rain in the afternoon.
Sat night..E winds 5 to 10 kt...becoming ne 10 to 15 kt with gusts up to 20 kt after midnight. Waves 1 ft or less...then 1 to 2 ft after midnight. Rain likely.
Sun..E winds 10 to 15 kt. Waves 2 to 3 ft. Rain likely.
Mon..NE winds 5 to 10 kt. Waves 1 ft or less. Rain likely in the daytime...then chance of rain in the evening.
ANZ300 406 Am Edt Thu Mar 23 2017
Synopsis for long island waters and new york harbor.. High pressure builds today, and passes to the east tonight. A warm front moves across the region Friday. The warm front north of the region Friday night and Saturday will move back southwestward Saturday night into Sunday. A weak low develops along the front and the low and front eventually move east of the region by Monday night of next week.

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 230803
afdokx
area forecast discussion
national weather service new york ny
403 am edt Thu mar 23 2017

Synopsis
High pressure builds today, and passes to the east tonight. A
warm front moves across the region Friday. The warm front
north of the region Friday night and Saturday will move back
southwestward Saturday night into Sunday. A weak low develops
along the front and the low and front eventually move east of
the region by Monday night and Tuesday of next week. Another
cold front approaches for next Wednesday.

Near term /until 6 pm this evening/
The center of high pressure builds to our west, and passes to the
south this afternoon. Upper trough tracks further to the east.

A dry, chilly day is expected, with lighter NW winds than what was
observed yesterday. A few gusts are possible in the NW flow, but
winds will diminish this afternoon and back to the west as the high
tracks south.

Temperatures, after a cold start to the day, will rebound through
the 30s, but will peak about 10 degrees below normal, upper 30s to
lower 40s.

Plenty of sunshine is expected.

Short term /6 pm this evening through 6 pm Friday/
Upper ridge to the west flattens tonight and Friday as closed low
moves across the mid section of the country. Surface high pressure
passes east of the area.

A warm front then approaches Friday morning, with a weak shortwave
riding along the top of the ridge, passing across the area Friday.

Winds remain light tonight as they become variable or light s/sw.

With cold airmass in place, temperatures will fall into the 20s
and 30s as high clouds increase. Some locations may radiate
into the teens. Still quite cold.

Increasing moisture riding over the top of the flattening ridge will
approach Friday morning. Light precip associated with warm air
advection is anticipated. Expect a brief period of light
precipitation to push through, with higher coverage NW zones, and
less SE zones per model consensus.

As for ptype, this could be problematic. Depending on when precip
moves in, looks like shortly after 12z, a wintry mix is possible.

Snow, sleet and freezing rain is a good bet, especially away from
the coast. Again, depending on precip onset.

Temps near the coast should be warm enough for plain rain. Qpf
should be under a tenth of an inch, so this is not a big event. But,
slick travel is possible as sfc/road temps may be cold enough for
some light icing.

Long term /Friday night through Wednesday/
Mid levels transition from zonal flow Friday night through Saturday
night to ridging Sunday, which will be followed by an approaching
shortwave on the back end of the ridge. The axis of this trough
moves across on Monday. Behind this shortwave, more quasi-zonal flow
will be established. There will be a larger shortwave approaching
from the northwest for the middle of next week.

At the surface, Friday night through Saturday will be when the
region is in the warm sector. The warm front will be north of the
region. Then, the front will start to shift southwestward, coming
back through the region as a back door cold front Sunday. The front
will stay west of the region and high pressure will stay well east
of the region going through Sunday evening. For late Sunday night,
the front will slide back east with weak low pressure developing
along it. The weak low and front stay near the region Monday and
finally move east of the region Monday night and Tuesday. Another
cold front approaches for the middle of next week.

Overall, an unsettled weather pattern sets up leading to less
diurnal temperature range as the airmass becomes more maritime from
an increasing easterly flow with rounds of light to perhaps moderate
rain at times.

Temperatures are warmest on Saturday with area in the warm sector as
highs are forecast to range from the low 50s to low 60s. Sunday
looks to be the coolest day in the long term with a back door cold
front moving in as highs that day range from the low to mid 40s.

Lows at night through the long term are pretty consistent, in the
upper 30s to low 30s for a majority of the area.

Aviation /08z Thursday through Monday/
Vfr through the TAF period with a mainly clear sky.

Nw winds 15-20kt with gusts 25kt will slowly diminish overnight.

Gusts may die off for a short period for most terminals, with
the exception of the nyc terminals. Winds will pick up again
for a few hours late morning and early afternoon Thursday, then
likely drop off in the evening as high pressure settles across
the area.

Clouds increase late in the TAF period as low pressure passes north
of the region.

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 mi44 min NW 13 G 15 24°F 39°F1033.3 hPa
ROBN4 - 8530973 - Robins Reef, NJ 12 mi44 min NW 12 G 15 24°F 1034.2 hPa
BATN6 - 8518750 - The Battery, NY 12 mi44 min 24°F 40°F1033.7 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 15 mi44 min 24°F 39°F1034.2 hPa
44065 - Entrance to New York Harbor 16 mi42 min NW 14 G 19 27°F 41°F2 ft1033.7 hPa (+1.8)11°F
MHRN6 16 mi44 min WNW 6 G 8
KPTN6 - 8516945 - Kings Point, NY 19 mi44 min 9.9 G 12 24°F 37°F1033.5 hPa
44040 - Western Long Island Sound 33 mi47 min WNW 7.8 G 12 24°F 10°F
44025 - LONG ISLAND 33 NM South of Islip, NY 44 mi42 min N 19 G 23 27°F 41°F4 ft1032.8 hPa (+2.0)

Wind History for Sandy Hook, NJ
(wind in knots)    EDIT      (on/off)   Help
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Last
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NW21
G26
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G35
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NW23
G31
N20
G31
NW27
G33
NW27
G34
NW24
G32
NW26
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NW23
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W6
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S6
G9
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W3
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NW11
G16
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G23
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ago
NW10
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G11
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G14
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G16
N12
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NW8
G12
NW6
G10
W5
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W9
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W8
NW5
W5

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
New York, Kennedy International Airport, NY10 mi41 minNW 710.00 miFair24°F3°F42%1034.1 hPa
New York City, Central Park, NY16 mi41 minVar 510.00 miFair23°F7°F50%1033.5 hPa
New York, La Guardia Airport, NY16 mi41 minWNW 1110.00 miFair26°F7°F44%1033.6 hPa
Newark, Newark International Airport, NJ19 mi41 minW 710.00 miFair23°F6°F48%1034 hPa
Teterboro, Teterboro Airport, NJ23 mi41 minNW 1110.00 miFair24°F7°F48%1033.8 hPa

Wind History from JFK (wind in knots)
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Last 24hrNW22
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NW20
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NW25
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NW28
G36
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G32
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G36
NW23
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G38
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N18
G27
NW21
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NW19NW16
G24
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G24
NW14NW14NW12NW9NW7
1 day agoN7S5W5W7W5SW8SW9SW11SW11SW13S11S10S12SW8W9W6W8N10N8N4NW5NW16NW17
G21
NW25
G35
2 days agoN12N14N13N13N14N15N12
G18
NW10
G21
NW12
G19
NW10
G18
N13N7NW4SW8SW11W9NW7W8NW7NW6NW7NW5NW6N5

Tide / Current Tables for Barren Island, Rockaway Inlet, Jamaica Bay, New York
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Barren Island
Click for Map
Thu -- 04:11 AM EDT     Moonrise
Thu -- 04:37 AM EDT     4.74 feet High Tide
Thu -- 06:53 AM EDT     Sunrise
Thu -- 11:15 AM EDT     0.59 feet Low Tide
Thu -- 02:33 PM EDT     Moonset
Thu -- 05:12 PM EDT     4.36 feet High Tide
Thu -- 07:11 PM EDT     Sunset
Thu -- 11:29 PM EDT     0.65 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
1.62.53.54.24.74.74.33.42.61.710.60.81.52.63.444.34.23.62.71.91.20.7

Tide / Current Tables for The Narrows, Midchannel, New York Harbor, New York Current
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The Narrows
Click for Map
Thu -- 01:22 AM EDT     0.00 knots Slack
Thu -- 03:48 AM EDT     1.47 knots Max Flood
Thu -- 04:11 AM EDT     Moonrise
Thu -- 06:54 AM EDT     Sunrise
Thu -- 07:04 AM EDT     -0.00 knots Slack
Thu -- 10:22 AM EDT     -1.83 knots Max Ebb
Thu -- 02:08 PM EDT     0.00 knots Slack
Thu -- 02:33 PM EDT     Moonset
Thu -- 04:29 PM EDT     1.26 knots Max Flood
Thu -- 07:11 PM EDT     Sunset
Thu -- 07:25 PM EDT     -0.00 knots Slack
Thu -- 10:38 PM EDT     -1.75 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
-0.8-0.30.61.31.51.30.90.1-0.8-1.4-1.8-1.7-1.3-0.9-0.10.81.21.210.4-0.5-1.2-1.6-1.7

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 (6,6,7,8)
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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.