Monday, March25, 2019 L-36.com


Marine Weather and Tides
Darien, CT

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 6:47AMSunset 7:12PM Monday March 25, 2019 6:00 AM EDT (10:00 UTC) Moonrise 12:00AMMoonset 9:52AM Illumination 80% Phase: Waning Gibbous; Moon at 19 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- 335 Am Edt Mon Mar 25 2019
Today..N winds around 5 kt. Seas 1 ft or less. Sprinkles.
Tonight..N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Sprinkles in the evening, then sprinkles or flurries after midnight.
Tue..N winds 10 to 15 kt. Seas around 2 ft in the morning, then 1 ft or less.
Tue night..N winds 5 to 10 kt. Seas 1 ft or less.
Wed..NE winds 5 to 10 kt, becoming se in the afternoon. Seas 1 ft or less.
Wed night..S winds around 5 kt. Seas 1 ft or less.
Thu..S winds 5 to 10 kt. Seas 1 ft or less.
Thu night..SW winds around 10 kt. Seas 1 ft or less.
Fri..SW winds 5 to 10 kt. Seas 1 ft or less.
Fri night..S winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 335 Am Edt Mon Mar 25 2019
Synopsis for the long island waters and new york harbor.. A cold front moves across the waters this morning. High pressure then slowly builds from the north and west before settling over the region on Wednesday. The high pressure then shifts offshore late in the week ahead of a slowly approaching frontal system.


7 Day Forecast for Marine Location Near Darien, CT
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location: 41.05, -73.45     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 250823
afdokx
area forecast discussion
national weather service new york ny
423 am edt Mon mar 25 2019

Synopsis
A cold frontal passage occurs this morning. High pressure
builds across the region through midweek. The high then drifts
off into the northern atlantic Thursday into Friday. A weak cold
front passing by early Friday will be followed by brief high
pressure and then a weak warm front moves in. The warm front
moves north of the region Friday night with another cold front
then slowly moving in during the weekend, not crossing the
region until late in the weekend.

Near term through tonight
The cold front was still across cntrl new england at 7z, but
thru kbgm. The boundary will continue swd per the mesoscale
modeling and pass offshore by 13z. Despite a quick shot of llvl
caa this mrng, mixing should allow temps to rise again into the
mid and upr 40s, perhaps touching 50 along the SRN portion of
the cwa.

Some light radar returns across nern pa were not hitting the
ground, ans the modeling, particularly the mesoscale modeling of
the href NAM hrrr are dry today into tngt. The GFS has some lgt
qpf across the SRN half of the cwa. The SREF is very limited
with pcpn chances as well. The area will not be in a favorable
jet region today for pcpn. As the eve progresses, the main batch
of moisture capable of supporting pcpn is mostly confined to
areas S of the cwa. Due to these factors, only sprinkles have
been fcst for today, with perhaps some flurries mixing in tngt
as the boundary layer cools.

A blend of the guidance and raw model data was used for temps
today, with a blend of the nbm, met and mav used for tngt. A
light nly wind is expected to keep temps from reaching pure
radiational cooling potential.

Short term Tuesday
A 1030s high builds over the great lakes, while the frontal
boundary remains over the atlantic. This will keep the area dry,
but with temps about 5-10 degrees blw average. Wind chills look
to remain in the 30s as a 10-15 mph nly flow persists.

Long term Tuesday night through Sunday
The upper level pattern will exhibit the local area staying in
between the subtropical and polar branches of the upper level jet
throughout the long term period. The mid levels will exhibit split
mid level flow Tuesday night through Wednesday night and then this
will transition to zonal flow Thursday through Friday. The mid level
flow becomes more amplified with more SW flow for the weekend.

At the surface, a continental polar airmass with high pressure
settles into northeast from central canada Tuesday night through
Wednesday. It then drifts out into the northern atlantic Wednesday
night through Thursday. A weak cold front approaches the region
Thursday night and moves across early Friday. High pressure builds
more from the southeast us into the local area for Friday briefly.

However the high is weak and quickly gives way to a warm front
developing in response to cyclogenesis over the midwest. The warm
front moves into the region Friday and north of the region Friday
night. A cold front then approaches Saturday and Saturday night and
moves across late in the weekend.

The long term forecast period starting Tuesday night will initially
have a cold airmass building into the region along with dry
conditions. High pressure from central canada will have traversed
the great lakes and this will be then building into the local
region. Colder than normal temperatures are expected Tuesday night
through Wednesday night.

High pressure drifts offshore into the northern atlantic Thursday
into Friday with another low pressure system developing in the
midwest. Conditions will be mainly dry. The transition from zonal
flow Thursday into Friday to more SW amplified flow going into the
weekend will allow for a quick moderation and thereafter warmup of
the airmass. Expecting more in the range of 50 to low 60s for highs
and lows more in the 40s for much of the remainder of the long term
period.

There will be a slight chance of rain showers with a nearby warm
front Friday and then with a slowly approaching cold front during
the weekend northwest of nyc with probabilities for rain showers
increasing to chance Sunday and Sunday night with a cold front
moving across. Some areas north and west of nyc could see some snow
showers on the backside of the cold front Sunday night.

Aviation 09z Monday through Friday
A cold front will pass through this morning, with high pressure
building behind it.

Vfr through the TAF period. W SW winds overnight, generally under 10
kts. Winds turn NW behind the cold front passage. Timing of winds
shifting could be off by an hour or so. Directions expected to
remain right of 310 degrees magnetic aft 11-12z.

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
BRHC3 - 8467150 - Bridgeport, CT 17 mi36 min 51°F 39°F1015.2 hPa
KPTN6 - 8516945 - Kings Point, NY 23 mi30 min 48°F 40°F1017.2 hPa
NWHC3 - 8465705 - New Haven, CT 33 mi30 min 50°F 43°F1015.8 hPa
BATN6 - 8518750 - The Battery, NY 38 mi30 min 54°F 42°F1016.1 hPa
ROBN4 - 8530973 - Robins Reef, NJ 42 mi30 min 54°F 1016.6 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 47 mi30 min 51°F 44°F1015.8 hPa
MHRN6 47 mi60 min W 7 G 8
44065 - Entrance to New York Harbor 49 mi30 min SW 5.8 G 7.8 45°F 42°F1016.3 hPa38°F

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
White Plains - Westchester County Airport, NY14 mi64 minNW 1010.00 miMostly Cloudy49°F21°F33%1015.7 hPa
Bridgeport, Sikorsky Memorial Airport, CT19 mi68 minWNW 1010.00 miOvercast51°F23°F33%1015.6 hPa
Danbury, Danbury Municipal Airport, CT22 mi67 minW 410.00 miFair49°F21°F33%1016 hPa
Farmingdale - Republic Airport, NY22 mi67 minNNW 610.00 miOvercast52°F30°F45%1015.6 hPa

Wind History from HPN (wind in knots)
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Last 24hrNW11NW9W7NW8NW12W13W11W8
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1 day agoW23
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Tide / Current Tables for Greens Ledge, Connecticut
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Greens Ledge
Click for Map
Mon -- 03:05 AM EDT     7.91 feet High Tide
Mon -- 06:49 AM EDT     Sunrise
Mon -- 09:31 AM EDT     -0.64 feet Low Tide
Mon -- 09:51 AM EDT     Moonset
Mon -- 03:37 PM EDT     7.06 feet High Tide
Mon -- 07:11 PM EDT     Sunset
Mon -- 09:48 PM EDT     0.09 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.85.87.37.97.464.22.20.5-0.5-0.50.52.24.15.86.976.24.73.11.50.40.10.8

Tide / Current Tables for Saugatuck River entrance, Connecticut
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Saugatuck River entrance
Click for Map
Mon -- 03:05 AM EDT     7.69 feet High Tide
Mon -- 06:48 AM EDT     Sunrise
Mon -- 09:33 AM EDT     -0.62 feet Low Tide
Mon -- 09:51 AM EDT     Moonset
Mon -- 03:37 PM EDT     6.86 feet High Tide
Mon -- 07:10 PM EDT     Sunset
Mon -- 09:50 PM EDT     0.08 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.75.67.17.77.25.94.12.20.6-0.5-0.50.52.145.66.76.864.631.50.40.10.8

Weather Map and Satellite Images
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wmap_A
GOES Local Image of    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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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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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.