Monday, June26, 2017 L-36.com


Marine Weather and Tides
Fort Salonga, 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 5:21AMSunset 8:30PM Monday June 26, 2017 4:42 AM EDT (08:42 UTC) Moonrise 8:16AMMoonset 10:42PM Illumination 5% Phase: Waxing Crescent; Moon at 2 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- 332 Am Edt Mon Jun 26 2017
Today..W winds 5 to 10 kt, becoming sw late. Seas 1 ft or less.
Tonight..SW winds 5 to 10 kt. Seas 1 ft or less.
Tue..SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms in the afternoon.
Tue night..W winds 5 to 10 kt. Seas 1 ft or less.
Wed..W winds 5 to 10 kt. Seas 1 ft or less.
Wed night..SW winds 5 to 10 kt. Seas 1 ft or less.
Thu..SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 1 ft or less, then around 2 ft. Chance of showers at night.
Fri..SW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 ft or less. Scattered showers. Winds and seas higher in and near tstms.
ANZ300 332 Am Edt Mon Jun 26 2017
Synopsis for the long island waters and new york harbor.. A cold front moves across the waters today, following by another one on Tuesday. Meanwhile strong high pressure remains well to the southwest. The high will eventually build in on Wednesday. A warm front will approach on Thursday and move through at night.

7 Day Forecast for Marine Location Near Fort Salonga, NY
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location: 40.96, -73.26     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 260759
afdokx
area forecast discussion
national weather service new york ny
359 am edt Mon jun 26 2017

Synopsis
A cold front moves across today with another one following it
for Tuesday into Tuesday night. High pressure builds to the
south Wednesday. A warm front crosses the region late Thursday,
with warm, humid and unsettled weather Friday through the
weekend.

Near term until 6 pm this evening
On the large scale, a longwave trough remains west of the region
today. A subtle shortwave embedded within this longwave trough
with some slight height falls mid to late this afternoon. This
in combination with daytime instability allows for a low
potential for a shower or thunderstorm. This will be confined to
mainly north and west of nyc. At the surface, a cold front will
be moving across the region and weakening. Today's highs were a
combination of gmos and ecs, mid 70s to low 80s.

Short term 6 pm this evening through 6 pm Tuesday
The front will become weaker with time. Instability will become
more elevated but a lack of a trigger will keep mainly dry
conditions tonight. Lows tonight were a blend of gmos and mav,
low 50s to low 60s.

For Tuesday, starting in the morning, there will be abundant
clouds. The height falls will be accompanied by greater value of
positive vorticity advection during the day. The longwave
trough still is west of the region tonight into Tuesday but on
Tuesday the amplitude of this shortwave is higher. There
wavelength of the shortwave is getting less, indicating a
sharper overall large scale trough. The chances for showers and
thunderstorms will be higher than those of the previous day.

Another cold front moves across Tuesday. Temperatures were a
combination of gmos and ecs, mid 70s to near 80.

Long term Tuesday night through Sunday
Upper trough passes Tuesday evening, with weak ridge building
Wednesday. Upper flow flattens late in the week, becoming SW ahead
of midwest trough over the weekend.

At the sfc, high pressure builds Tuesday night, passing to the south
Wednesday. Low pressure passes across the great lakes region
Thursday, with warm front passing across the area by that time.

Thereafter, frontal boundary remains just to the north of the area
as low pressure rides along it, also passing north. Then next low
approaches ahead of upstream trough, passing north for the
latter portion of the weekend. Subtle placement timing differences
noted in medium range guidance.

In general, unsettled weather looks likely from late Thursday,
through the weekend. Scattered showers and thunderstorms can be
expected, with coverage higher during the daytime each day.

Instability appears to be weak Thursday, but builds thereafter per
operational gfs. Li's as low as -5 c with long narrow cape's and
increasing pwat's, over 2 inches by Saturday, in a unidirectional
flow supports potential for flash flooding - mainly in urban areas.

Low humidity and below normal temperatures expected Wednesday, then
temperatures rebound to near normal Thursday, and above normal late
in the week into the weekend. However, do not foresee heat issues at
this time.

Aviation 08z Monday through Friday
Vfr through the TAF period with high pressure south of the
region.

Winds will continue to become wnw-nw overnight. A brief period
of winds 10-15 kt with a few gusts around 20 kt remain possible,
but these should quickly diminish in the next hour or so with
winds becoming 10 kt or less thereafter.

Winds gradually back to the SW on Monday. Afternoon sea breeze
development backs winds to the south at coastal terminals, 10 to
15 kt. There is a lower probability of a sea breeze at kewr and
kteb with winds more likely staying sw-ssw.

Outlook for 06z Tuesday through Friday
Monday night Vfr. Slight chance of an eve shower NW of nyc
metros.

Tuesday MainlyVFR. Chance of a late day shower tstm.

Wednesday Vfr.

Thursday MainlyVFR. Chance of a late day shower TSTM mainly
north of the nyc metros and long island.

Friday MainlyVFR. Chance of a late day shower tstm.

Marine
With an overall weak pressure gradient remaining across the
region, winds and seas are expected to remain below small craft
advisory criteria (25kt winds, 5 ft seas) through Tuesday.

High pressure builds Tuesday night and passes south Wednesday. Sub
sca conditions expected during this mid week period.

Then, winds back around to the S SW as the high departs to the east
and a warm front passes. Winds increase, and SCA conditions are
possible later Thursday, and Thursday night. These persistent winds
continue Friday. Seas build Thursday and remain elevated Friday.

Hydrology
No hydrologic impacts expected through Thursday. There is
potential for localized flash flooding associated with summer
convection Friday through the weekend - mainly in urban areas.

River flooding is not anticipated.

Tides coastal flooding
Astronomical tides are still running high with potentially
another round of isolated minor coastal flooding for the south
shore back bays, which could be seen with the high tides
tonight (approximately between 10pm and 12am). The water levels
would only be expected to touch the minor benchmarks, again for
just a few gages in the south shore bays.

Equipment
Observations from kfrg (farmingdale, ny) are not available.

Observations from khpn (white plains ny) and khvn (new haven ct)
are being disseminated through backup methods. All is due to
an faa communication line outage. Return to service time is
unknown.

Okx watches warnings advisories
Ct... None.

Ny... None.

Nj... None.

Marine... None.

Synopsis... Jm pw
near term... Jm
short term... Jm
long term... Pw
aviation... Ds
marine... Jm pw
hydrology... Jm pw
tides coastal flooding... Jm
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BRHC3 - 8467150 - Bridgeport, CT 15 mi43 min SW 1.9 G 4.1 64°F 1014.7 hPa (+0.3)
44069 20 mi58 min N 3.9 G 5.8 67°F 76°F58°F
44022 - Execution Rocks 25 mi43 min SSW 1.9 G 1.9 66°F 58°F
KPTN6 - 8516945 - Kings Point, NY 29 mi43 min N 6 G 7 67°F 65°F1015.6 hPa (+0.3)
NWHC3 - 8465705 - New Haven, CT 29 mi43 min WNW 5.1 G 6 64°F 69°F1015.4 hPa (+0.3)
BATN6 - 8518750 - The Battery, NY 44 mi43 min 67°F 68°F1015.6 hPa (+0.5)
44065 - Entrance to New York Harbor 47 mi53 min NW 3.9 G 3.9 67°F 67°F2 ft1015.7 hPa (+1.4)59°F
ROBN4 - 8530973 - Robins Reef, NJ 48 mi49 min WNW 6 G 7 1016.4 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 49 mi53 min N 12 G 14 69°F 69°F3 ft1014.8 hPa (+1.0)

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Islip, Long Island Mac Arthur Airport, NY14 mi1.8 hrsN 410.00 miFair65°F54°F68%1014.9 hPa
Bridgeport, Sikorsky Memorial Airport, CT17 mi51 minN 010.00 miFair63°F54°F73%1015.1 hPa
Shirley, Brookhaven Airport, NY23 mi1.8 hrsN 610.00 miFair66°F55°F70%1014.8 hPa

Wind History from ISP (wind in knots)
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Last 24hrCalmCalmCalmCalmN3453S8S12SW11S12S11SW8SW9SW8SW7SW6SW5SW6SW6W9N12
G18
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1 day agoSW9S6W11
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CalmS5NW5NW7W8NW10W12
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Tide / Current Tables for Nissequogue River entrance, Long Island Sound, New York
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Nissequogue River entrance
Click for Map
Mon -- 01:11 AM EDT     8.54 feet High Tide
Mon -- 05:22 AM EDT     Sunrise
Mon -- 07:37 AM EDT     -1.02 feet Low Tide
Mon -- 08:16 AM EDT     Moonrise
Mon -- 01:47 PM EDT     7.75 feet High Tide
Mon -- 07:57 PM EDT     -0.25 feet Low Tide
Mon -- 08:28 PM EDT     Sunset
Mon -- 10:41 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
7.78.58.16.74.62.40.5-0.8-0.90.11.94.167.47.76.95.33.51.60.3-0.20.424

Tide / Current Tables for Northport, Northport Bay, Long Island, New York
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Northport
Click for Map
Mon -- 01:12 AM EDT     9.03 feet High Tide
Mon -- 05:23 AM EDT     Sunrise
Mon -- 07:52 AM EDT     -0.78 feet Low Tide
Mon -- 08:17 AM EDT     Moonrise
Mon -- 01:49 PM EDT     8.23 feet High Tide
Mon -- 08:08 PM EDT     -0.18 feet Low Tide
Mon -- 08:29 PM EDT     Sunset
Mon -- 10:42 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
8.198.77.35.33.11.1-0.3-0.801.94.16.37.88.27.45.83.920.5-0.20.31.94.1

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

GOES Local Image of Northeast    EDIT
Geos

Wind Forecast for New York City/Upton, NY (4,6,7,8)
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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.