Sunday, August18, 2019 L-36.com


Marine Weather and Tides
Centerport, NY

Version 3.4
NOTICE
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 6:05AMSunset 7:49PM Sunday August 18, 2019 4:00 AM EDT (08:00 UTC) Moonrise 9:40PMMoonset 8:49AM Illumination 93% Phase: Waning Gibbous; Moon at 17 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- 1053 Pm Edt Sat Aug 17 2019
Overnight..S winds around 5 kt. Seas 1 ft or less. Slight chance of showers and tstms. Areas of fog. Vsby 1 to 3 nm.
Sun..SW winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less. Patchy fog in the morning with vsby 1 to 3 nm.
Sun night..SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms in the evening. Patchy fog after midnight with vsby 1 to 3 nm.
Mon..SW winds 5 to 10 kt. Seas 1 ft or less.
Mon night..SW winds 5 to 10 kt, becoming W after midnight. Seas 1 ft or less.
Tue..W winds around 5 kt, becoming sw around 5 kt in the afternoon. Seas 1 ft or less. Chance of showers and tstms in the afternoon.
Tue night..SW winds around 5 kt. Seas 1 ft or less. Chance of showers and tstms.
Wed..S winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms.
Wed night..SW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms after midnight.
Thu..W winds 5 to 10 kt. Seas 1 ft or less. Chance of showers and tstms in the afternoon.
Thu night..NW winds 5 to 10 kt. Seas 1 ft or less. Winds and seas higher in and near tstms.
ANZ300 1053 Pm Edt Sat Aug 17 2019
Synopsis for the long island waters and new york harbor.. A warm front passes tonight as high pressure remains to the northeast. A wave of low pressure passes south of the area Sunday. Meanwhile, a weak cold front drops into the area Monday night and returns north as a warm front on Tuesday. Another cold front approaches Wednesday and moves through Wednesday night. High pressure then builds in for the remainder of the week.


7 Day Forecast for Marine Location Near Centerport, NY
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location: 40.9, -73.38     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 180711
afdokx
area forecast discussion
national weather service new york ny
311 am edt Sun aug 18 2019

Synopsis
A warm front passes tonight as high pressure remains to the
northeast. A wave of low pressure passes south of the area
Sunday into Monday. Meanwhile, a weak cold front drops into the
area Monday night and returns north as a warm front on Tuesday.

Another cold front approaches Wednesday and moves through
Wednesday night. High pressure then builds in for the remainder
of the week.

Near term until 6 am this morning
Showers and embedded thunderstorms are weakening as the continue
to push SE through the lower hudson valley and southern ct. Have
adjusted pops as a result although a weakening trend will
continue, especially as it interacts with the marine layer
in place at the coast. The outflow from these storms may mix up
the low levels and scour out the low clouds and fog at the
coast. Have included areas of fog in the forecast through the
overnight hours at the coast, but this may not pan out as
originally anticipated since the convection made it further s
and E than expected.

With plenty of clouds tonight and continued light veering
onshore flow, temps will not vary much, upper 60s to lower mid
70s.

Short term 6 am this morning through 6 pm Monday
The area will remain between two upper shortwaves, one passing
to the nw, and another passing just south. A sfc low passes to
the south. Stratus will once again lift dissipate as the morning
progresses, and high humidity along with increasing
temperatures into the 80s will result in a hot day. Heat indices
will likely approach and in some cases exceed 90 degrees
Sunday.

Few to scattered showers and thunderstorms are expected once
again in this persistent pattern airmass.

Lows at night will remain in the 70s.

There is a low risk for the development of rip currents at
atlantic ocean beaches Sunday.

Long term Monday night through Saturday
Hot, humid and somewhat unsettled weather will continue for the
first half of next week. Nwp is in good agreement with the overall
upper pattern across north america during the long term period, with
bermuda high pressure remaining in place resulting in gradually
rising heights across the northeast early next week.

Guidance has trended slightly lower with highs on Mon and as a
result confidence in a widespread 95-99 degree heat index
doesn't look as widespread as it did yesterday. Currently think
ne nj has the greatest potential to warrant a heat advisory
sun Mon but will let the mid shift have a look at one last round
of data. Pcpn associated with low pres passing well south of
long island on Monday appears to remain offshore, although a
trough of low pres developing north and west of nyc could
trigger isold showers tstms during the aftn eve with this threat
continuing through the overnight hours as a weak cold front
moves into the area. Humid conds then continue through wed,
although more cloud cover and increasing chances for pcpn is
expected to keep temps slightly cooler than Mon with less of a
chance of heat advsy criteria being met.

Heights will fall on Wed as the closed low moves into eastern
canada. Showers tstms develop as a result of a pre-frontal
trough Wed aftn and continue into Wed night as a stronger cold
front moves through. A dry and more comfortable airmass builds
in thereafter as high pres builds from the great lakes into the
weekend. Temps are expected to be near to slightly below normal
levels during this time.

Aviation 07z Sunday through Thursday
A warm front approaches from the southwest on Sunday.

MVFR ifr conditions are forecast through the overnight. Some
locations may see periods ofVFR overnight as drier air works in
just above the moist marine layer.VFR returns to all terminals
between 12z-15z this morning.

Light and variable winds will continue through the morning,
then increase to around 10 kt out of the south by this
afternoon.

There is a chance of afternoon and evening showers and
thunderstorms today, with the best chance north and west of the
nyc terminals. A better chance of showers and thunderstorms will
be after 00z tonight.

Outlook for 06z Monday through Thursday
Sunday night Chance of showers and thunderstorms.

Monday MainlyVFR. Slight chance shower or thunderstorm.

Tuesday-Thursday MainlyVFR. Chance showers or thunderstorms

Marine
Have issued an mws through midnight for fog on the
waters. Will need to reevaluate whether to continue thereafter
based on conditions with outflow boundaries from convection possibly
scouring it out. Otherwise, easterly flow will veer more to the
south by Sunday as a warm front lifts, 10 kt or less. Seas
remain under 5 ft on the ocean and 1 ft or less across the non
ocean waters.

Sub advsy conds are expected to prevail through the period,
outside of tstms. Seas on the ocean could approach 5 ft wed
night into thu, although feel that guidance was overdoing the
seas on SW flow so have knocked them down a foot for now.

Hydrology
No hydrologic impacts are expected at this time through the forecast
period.

Equipment
Nyc NOAA weather radio station kwo35 (162.55 mhz) remains off
the air.

Okx watches warnings advisories
Ct... None.

Ny... None.

Nj... None.

Marine... None.

Synopsis... 24 pw
near term... Pw
short term... Pw
long term... 24
aviation... Bc
marine... 24 pw
hydrology... 24 pw
equipment...



Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KPTN6 - 8516945 - Kings Point, NY 21 mi43 min E 1 G 1.9 74°F 73°F1016.1 hPa
44069 21 mi61 min SSW 7.8 G 12 72°F 79°F69°F
BRHC3 - 8467150 - Bridgeport, CT 22 mi49 min NNE 1.9 G 1.9 72°F 75°F1015.4 hPa
BATN6 - 8518750 - The Battery, NY 36 mi43 min 76°F 74°F1015.3 hPa
44065 - Entrance to New York Harbor 40 mi21 min Calm G 1.9 75°F 75°F1015.1 hPa75°F
ROBN4 - 8530973 - Robins Reef, NJ 40 mi43 min S 4.1 G 5.1 76°F 1015.2 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 44 mi49 min 76°F 77°F1015.3 hPa
MHRN6 45 mi43 min ESE 1.9 G 1.9
SDHN4 - 8531680 - Sandy Hook, NJ 45 mi43 min E 1 G 1.9 75°F 76°F1015.7 hPa
44025 - LONG ISLAND 33 NM South of Islip, NY 46 mi71 min SSW 5.8 G 5.8 77°F 77°F2 ft1015.6 hPa (+0.0)

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Farmingdale - Republic Airport, NY12 mi2.1 hrsNNW 16 G 201.50 miThunderstorm in Vicinity Heavy Rain Fog/Mist73°F71°F94%1016.3 hPa
Islip, Long Island Mac Arthur Airport, NY16 mi2.1 hrsN 010.00 miOvercast74°F73°F97%1015.7 hPa
White Plains - Westchester County Airport, NY22 mi2.1 hrsE 36.00 miFog/Mist72°F71°F97%1015.2 hPa
Bridgeport, Sikorsky Memorial Airport, CT23 mi2.1 hrsE 410.00 miLight Rain73°F71°F94%1015.6 hPa

Link to 5 minute data for KFRG

Wind History from FRG (wind in knots)
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Last 24hrE4N5N4NE4E6E3CalmSE4NE6N8N5SE6SE9SE8SE5SE6SE5S3S4CalmE4NW16
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1 day agoNE3NE3NE3NE6E4SE3E5SE9S6SE6S6S9SE8SE7SE10SE7SE7SE5E6SE5E4E4E4E5
2 days agoN5NE4NE4NE7NE7N6NE5E7SE11SE10
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Tide / Current Tables for Northport, Northport Bay, Long Island, New York
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.


Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
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Sun -- 02:22 AM EDT     -0.68 knots Max Ebb
Sun -- 05:03 AM EDT     0.00 knots Slack
Sun -- 06:08 AM EDT     Sunrise
Sun -- 08:34 AM EDT     0.93 knots Max Flood
Sun -- 08:51 AM EDT     Moonset
Sun -- 11:04 AM EDT     -0.00 knots Slack
Sun -- 02:41 PM EDT     -0.69 knots Max Ebb
Sun -- 05:18 PM EDT     0.00 knots Slack
Sun -- 07:49 PM EDT     Sunset
Sun -- 08:58 PM EDT     0.96 knots Max Flood
Sun -- 09:41 PM EDT     Moonrise
Sun -- 11:34 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.2-0.5-0.7-0.6-0.3-00.10.40.80.90.40-0.2-0.4-0.6-0.7-0.5-0.10.10.30.710.70.2

Weather Map and Satellite Images
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wmap_A
GOES 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.
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Other links: Northern Pacific     Contential US     Full GOES-East
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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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.