Thursday, April25, 2019 L-36.com


Marine Weather and Tides
Derby, 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 5:56AMSunset 7:44PM Thursday April 25, 2019 8:22 PM EDT (00:22 UTC) Moonrise 1:13AMMoonset 10:44AM Illumination 60% Phase: Waning Gibbous; Moon at 21 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- 620 Pm Edt Thu Apr 25 2019
Tonight..SE winds 5 to 10 kt. Seas 1 ft or less. Periods of light rain this evening, then chance of rain after midnight.
Fri..SE winds around 10 kt. Seas 1 ft or less. Rain likely in the morning, then showers likely in the afternoon with vsby 1 to 3 nm.
Fri night..S winds 10 to 15 kt, becoming W with gusts up to 20 kt after midnight. Seas 1 ft or less, then around 2 ft after midnight. Showers, mainly in the evening. Vsby 1 to 3 nm.
Sat..W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Chance of showers in the morning.
Sat night..W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 3 ft.
Sun..SW winds 5 to 10 kt, becoming se in the afternoon. Seas 1 ft or less. Chance of showers.
Sun night..N winds 10 to 15 kt. Seas 1 ft or less.
Mon..NW winds 5 to 10 kt. Seas 1 ft or less.
Mon night..SE winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
Tue..E winds 5 to 10 kt, becoming sw in the afternoon. Seas 1 ft or less. Chance of showers.
Tue night..N winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 620 Pm Edt Thu Apr 25 2019
Synopsis for the long island waters and new york harbor.. A warm front moves across the area waters tonight into Friday morning, follow by a cold front Friday night. Low pressure departs to the north Saturday as weak high pressure briefly builds into the area. Weak low pressure passes across the area waters Sunday and Sunday night. High pressure briefly builds again Monday into Monday night before a series of frontal systems impact the area waters through the late week.


7 Day Forecast for Marine Location Near Derby, CT
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location: 41.32, -73.08     debug


Area Discussion for - New York City/Upton, NY
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Fxus61 kokx 252223
afdokx
area forecast discussion
national weather service new york ny
623 pm edt Thu apr 25 2019

Synopsis
High pressure continues to move further offshore tonight. A warm
front will move north toward the area tonight. Low pressure will
track across the ohio valley and eastern great lakes tonight
into Friday, dragging a cold front across the area Friday
afternoon into Friday night. Low pressure departs to the north
Saturday as weak high pressure briefly builds into the area.

Weak low pressure passes across the tri state area Sunday and
Sunday night. High pressure briefly builds again Monday into
Monday night before a series of frontal systems impact the area
through the late week.

Near term until 6 am Friday morning
High pressure moves offshore tonight. A warm front over the
north carolina virginia border will begin to push northward
towards the area tonight into Friday morning. Periods of light
rain will continue across the SRN 2 3 of the CWA this eve, with
additional chances for the remainder of the area overnight.

Temperatures tonight will be in the upper 40s to lower 50s.

Short term 6 am Friday morning through Friday night
A warm front will continue to push northward towards the area
Friday morning as a surface low over the ohio valley tracks
northeast. The warm front is forecast to move north across the
area by Friday afternoon with the cold front associated with the
low pressure expected to move across the area from west to east
by Friday night. As the warm front gets closer to the area,
rain will become more widespread, then rain may become more
intermittent during the afternoon then increase in coverage
again as the cold front moves across the area through Friday
night. Will continue the mention of thunder for later in the day
on Friday and into Friday evening as a few hundred joules per
kilogram of MUCAPE can be expected per latest weather models.

Total rainfall expected Friday into Friday night is forecast to
be between a half inch to one inch. Higher amounts are possible
with any thunderstorm development.

Temperatures on Friday will be in the upper 50s to mid 60s with
night time temperatures in the mid 40s to around 50.

Long term Saturday through Thursday
The extended forecast period will remain active as the northern
stream jet dominates and a series of short waves move through the
area. The first wave will slowly depart on Saturday, but with
lingering cyclonic flow, periodic showers may be possible through
the day. Conditions will be breezy as the departing low pressure
intensifies and high pressure builds from the west. Saturday night
will offer only a brief reprieve before another short wave moves in
from the west, bringing a weak surface low reflection and another
chance of rain over the area for Sunday.

Deep layer ridging follows into Monday. Thereafter, the upper
pattern is expected to become more amplified as ridging builds over
the southeast us, and a trough deepens over the west. A transition
to more southwesterly flow between the two systems will allow an
influx of gulf moisture northward, setting the stage for periods of
heavy rainfall into the late week, especially in the vicinity of a
nearly stationary boundary where training cells will be possible.

There remains uncertainty as to where the boundary will set up, with
deterministic models generally suggesting near or just north of our
local area. Will need to monitor for the potential for greater
accumulations of rainfall into the mid to late week.

Temperatures in the extended will generally be within a few degrees
of climatological normals, with the coldest temperatures expected
for Sunday and Sunday night.

Aviation 00z Friday through Tuesday
High pressure moves offshore this evening. An area of low pressure
approaches tonight and moves across the region on Friday.

Vfr conditions expected through this evening. A few showers are
possible at the city terminals late this afternoon into early this
evening, but should result in little to no impact on ceilings and
visibilities.

Conditions will gradually lower to MVFR tonight as rain begins
to overspread the area. There could be a break in the rain or
only very widely scattered showers for a period Friday morning
into early Friday afternoon before more widespread rainfall
again impacts the terminals Friday afternoon. An isolated
thunderstorm is possible Friday afternoon as well. Despite any
breaks in the rain, conditions are expected to remain MVFR
through the majority of the day on Friday, with a period of ifr
conditions possible at some terminals, especially Friday
morning.

Southerly winds at 5-10 kts will shift to the ese overnight. On
Friday winds shift back to the SE with speeds increasing to 10-15
kt. A few gusts are possible at the coastal terminals on Friday
afternoon. In addition, llws is possible at coastal terminals after
22z Friday.

Ny metro enhanced aviation weather support...

detailed information, including hourly TAF wind component fcsts,
can be found at:
http:

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NWHC3 - 8465705 - New Haven, CT 9 mi34 min SSW 5.1 G 7 53°F 54°F1014.1 hPa
BRHC3 - 8467150 - Bridgeport, CT 11 mi40 min S 5.1 G 7 54°F 51°F1013.3 hPa

Wind History for New Haven, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Bridgeport, Sikorsky Memorial Airport, CT10 mi30 minS 710.00 miMostly Cloudy56°F44°F65%1013.8 hPa
New Haven, Tweed-New Haven Airport, CT11 mi29 minS 710.00 miMostly Cloudy55°F46°F72%1013.8 hPa
Oxford, Waterbury-Oxford Airport, CT11 mi31 minS 710.00 miMostly Cloudy56°F43°F62%1015 hPa
Meriden, Meriden Markham Municipal Airport, CT19 mi29 minS 510.00 miOvercast57°F42°F58%1013.5 hPa
Danbury, Danbury Municipal Airport, CT21 mi29 minSSW 510.00 miOvercast57°F41°F55%1013.3 hPa

Wind History from BDR (wind in knots)
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Last 24hrN5N11N8N10NW5NW6N4CalmNW3NW3NW3CalmN3S6S7S8S9S7CalmS7S6S8S10S7
1 day agoS83CalmE5E7E7E7NE5E3CalmCalmSW5W11
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2 days agoN9N7NW6NW3NW5NW7NW10NW8NW9NW8N5N10N7NE8SW8SW10S10S10S7S4S9S12SW10SW3

Tide / Current Tables for Shelton, Housatonic River, Connecticut
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Shelton
Click for Map
Thu -- 12:57 AM EDT     0.64 feet Low Tide
Thu -- 01:12 AM EDT     Moonrise
Thu -- 05:56 AM EDT     5.02 feet High Tide
Thu -- 05:58 AM EDT     Sunrise
Thu -- 10:45 AM EDT     Moonset
Thu -- 01:33 PM EDT     0.40 feet Low Tide
Thu -- 06:33 PM EDT     4.61 feet High Tide
Thu -- 07:43 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.61.12.33.64.654.84.23.32.51.60.90.50.51.32.53.74.54.64.23.62.92.2

Tide / Current Tables for Milford Harbor, Connecticut
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Milford Harbor
Click for Map
Thu -- 01:12 AM EDT     Moonrise
Thu -- 04:13 AM EDT     6.65 feet High Tide
Thu -- 05:58 AM EDT     Sunrise
Thu -- 10:39 AM EDT     0.53 feet Low Tide
Thu -- 10:45 AM EDT     Moonset
Thu -- 04:50 PM EDT     6.10 feet High Tide
Thu -- 07:42 PM EDT     Sunset
Thu -- 10:59 PM EDT     1.16 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.23.656.16.66.45.54.22.81.60.70.61.22.43.74.95.86.15.64.73.52.41.51.2

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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for New York City/Upton, NY (20,4,5,8)
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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.