Thursday, October1, 2020
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Marine Weather and Tides
Darien, CT

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:49AMSunset 6:36PM Thursday October 1, 2020 5:33 PM EDT (21:33 UTC) Moonrise 6:56PMMoonset 6:22AM Illumination 100% Phase: Full Moon; Moon at 15 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- 345 Pm Edt Thu Oct 1 2020
Tonight..W winds 5 to 10 kt, becoming nw after midnight. Seas 1 ft or less. Slight chance of showers late this evening. Chance of showers after midnight.
Fri..NW winds 5 to 10 kt. Seas 1 ft or less. Chance of showers.
Fri night..NW winds 5 to 10 kt. Seas 1 ft or less.
Sat..N winds around 5 kt, becoming W in the afternoon. Seas 1 ft or less.
Sat night..NW winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less.
Sun..NE winds 5 to 10 kt, becoming se in the afternoon. Seas 1 ft or less.
Sun night..SE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain.
Mon..NE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain.
Mon night..N winds 5 to 10 kt. Seas 1 ft or less.
Tue..NE winds around 5 kt, becoming S in the afternoon. Seas 1 ft or less.
Tue night..SW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 345 Pm Edt Thu Oct 1 2020
Synopsis for the long island waters and new york harbor.. A weak cold front stalls overhead as a wave of low pressure develops to the south tonight and moves through on Friday. High pressure builds in over the weekend, followed by the passage of an offshore low Monday. A strong cold front may approach the area by the end of next week.


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 011947 AFDOKX

Area Forecast Discussion National Weather Service New York NY 347 PM EDT Thu Oct 1 2020

SYNOPSIS. A weak cold front stalls overhead as a wave of low pressure develops to the southwest tonight and moves through on Friday. High pressure builds in over the weekend, followed by the passage of an offshore low Monday. A strong cold front may approach the area by the end of next week.

NEAR TERM /UNTIL 6 AM FRIDAY MORNING/. The area is positioned just downstream of a large-scale mid-level trough with a weak cold front nearly stationary overhead. A shortwave will swing around the base of the trough this evening which will allow for a wave of low pressure to develop to the southwest of the region along the nearly stationary front. This disturbance will move into our area into the morning on Friday.

Clouds will continue to increase tonight as the area of unsettled weather approaches from the southwest. Showers and possible periods of light rain will begin overnight around or shortly after Midnight, mainly west and north of the NYC metro.

SHORT TERM /6 AM FRIDAY MORNING THROUGH FRIDAY NIGHT/. As the disturbance moves through the area during the morning, showers and light rain will likely continue into the late morning and early afternoon as the front makes its way north and east. Conditions improve into the afternoon and evening as the low pressure waves pushes away and high pressure develops in its wake with clearing skies and drying conditions.

High temperatures on Friday will be about 5 degrees below average with temperatures in the low to middle 60s. As high pressure moves in Friday night into Saturday morning, winds will decrease and skies will clear allowing for a favorable environment for radiational cooling. Low temperatures on Friday night will drop into the low to middle 40s for most with the exception of the NYC metro where temperatures will remain in the low to middle 50s.

LONG TERM /SATURDAY THROUGH THURSDAY/. Mainly fair wx is expected over the weekend with high pres progged to build in. There is a weak mid lvl wave that is fcst to produce a few shwrs on Sat, but right now the models keep this feature north of the region. The models then suggest that low pres will develop offshore as an upr trof swings thru. As usual, the GFS is the wettest model. Both the GFS and ECMWF producing both shwrs associated with the upr trof, and rain on the nwrn quad of the low. The track of the low per the ECMWF is now just se of the benchmark. Any further trend s and e would limit rain chances significantly. As a result, pops were capped at 50 percent this far out.

Weak ridging then builds in on Tue, before what might be a strong cold front gathers upstream and passes by Thu/Fri. Confidence in timing and strength is low, as is the track of the associated low. As of now, the low is expected to wrap up n of the cwa. The GFS has a 977 low near Quebec City at 12Z Thu, with the ECMWF a 985 low near PWM. Either of these solns could result in a wind advy event here.

The NBM with local adjustments was used for temps thru the extended.

AVIATION /20Z THURSDAY THROUGH TUESDAY/. A wave of low pressure along a nearly stalled frontal boundary will track just east of the area late tonight into Friday morning.

Mainly a VFR forecast with a low chance of MVFR with any showers late tonight into Friday morning.

W-SW winds around 10 kt diminish to less than 10 kt this evening and veer to the NW by daybreak.

. NY Metro (KEWR/KLGA/KJFK/KTEB) TAF Uncertainty .

Winds will likely vary by 20 to 30 degrees this afternoon with a frontal boundary stalled across the area. A few gusts of 15-18 kt are also possible.

OUTLOOK FOR 18Z FRIDAY THROUGH TUESDAY. Friday Afternoon-Sunday. VFR. Sunday Night-Monday. MVFR with a chance of rain. Tuesday. Mainly VFR. An isolated shower is possible.

Detailed information, including hourly TAF wind component forecasts, can be found at: http:/www.weather.gov/zny/n90

MARINE. SCA conditions will linger on the eastern ocean waters with seas near 5 feet but will diminish below SCA criteria this evening.

Winds and seas are expected to remain blw sca lvls this weekend. An advy is possible by late Mon as low pres tracks E of the waters. Seas may linger on the ocean near 5 ft on Tue. Increasing southerly winds ahead of an approaching cold front will bring sca cond to the ocean, with possible advy lvl winds elsewhere, on Wed.

HYDROLOGY. No hydrologic impacts are expected Sat-Thu.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 PM EDT this evening for ANZ350- 353.

SYNOPSIS . JMC/MW NEAR TERM . MW SHORT TERM . MW LONG TERM . JMC AVIATION . DW MARINE . JMC/MW HYDROLOGY . JMC


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BRHC3 - 8467150 - Bridgeport, CT 17 mi45 min SW 8 G 12 71°F 71°F1011.2 hPa
44022 - Execution Rocks 19 mi33 min WSW 12 G 16 69°F 49°F
KPTN6 - 8516945 - Kings Point, NY 23 mi45 min NW 9.9 G 12 69°F 1012.9 hPa
44069 31 mi63 min SSW 14 G 16 67°F 60°F
NWHC3 - 8465705 - New Haven, CT 33 mi45 min WSW 8 G 11 71°F 69°F1012.4 hPa
BATN6 - 8518750 - The Battery, NY 38 mi45 min 68°F 69°F1012.7 hPa
ROBN4 - 8530973 - Robins Reef, NJ 42 mi45 min W 13 G 16 68°F 1012.3 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 47 mi45 min 68°F 70°F1012.6 hPa
MHRN6 47 mi45 min WSW 8 G 13
44065 - Entrance to New York Harbor 49 mi33 min S 9.7 G 12 1011.9 hPa (-0.5)

Wind History for Bridgeport, CT
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
White Plains - Westchester County Airport, NY14 mi37 minVar 410.00 miPartly Cloudy68°F45°F44%1011.8 hPa
Bridgeport, Sikorsky Memorial Airport, CT19 mi41 minWSW 810.00 miMostly Cloudy72°F50°F46%1011.6 hPa
Danbury, Danbury Municipal Airport, CT22 mi40 minWNW 610.00 miMostly Cloudy70°F42°F37%1012 hPa
Farmingdale - Republic Airport, NY22 mi40 minSSW 14 G 2010.00 miFair70°F55°F59%1012.2 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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Last 24hrW6W3--SW3CalmSW3SW5443333SW33W7W7W8W7NW10SW74W64
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2 days agoS9SE6SE7SE4SE4SE5SE4SE4SE4SE7SE6SE4SE5SE4SE6S7SE9SE6SE5SE8SE9SE7SE8SE4

Tide / Current Tables for Greens Ledge, Connecticut
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Greens Ledge
Click for Map
Thu -- 05:36 AM EDT     0.29 feet Low Tide
Thu -- 06:22 AM EDT     Moonset
Thu -- 06:50 AM EDT     Sunrise
Thu -- 11:41 AM EDT     7.89 feet High Tide
Thu -- 05:06 PM EDT     Full Moon
Thu -- 05:58 PM EDT     0.15 feet Low Tide
Thu -- 06:34 PM EDT     Sunset
Thu -- 06:55 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.66.65.13.31.60.50.41.32.84.76.57.67.87.15.63.820.60.10.72.13.95.77.1

Tide / Current Tables for Saugatuck River entrance, Connecticut
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Saugatuck River entrance
Click for Map
Thu -- 05:38 AM EDT     0.28 feet Low Tide
Thu -- 06:21 AM EDT     Moonset
Thu -- 06:50 AM EDT     Sunrise
Thu -- 11:41 AM EDT     7.67 feet High Tide
Thu -- 05:06 PM EDT     Full Moon
Thu -- 06:00 PM EDT     0.14 feet Low Tide
Thu -- 06:34 PM EDT     Sunset
Thu -- 06:55 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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7.46.44.93.21.60.50.31.22.74.56.37.47.66.95.53.720.70.10.723.85.56.9

Weather Map
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wmap_A
GEOS 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.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Ground Weather Radar Station Upton, NY
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