Thursday, April22, 2021
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Marine Weather and Tides
Rye, NY

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:03AMSunset 7:43PM Thursday April 22, 2021 11:14 AM EDT (15:14 UTC) Moonrise 2:24PMMoonset 3:58AM Illumination 81% Phase: Waxing Gibbous; Moon at 11 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- 944 Am Edt Thu Apr 22 2021
.gale warning in effect until 8 pm edt this evening...
Today..W winds 25 to 30 kt, diminishing to around 20 kt this afternoon. Seas 2 to 3 ft.
Tonight..W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 35 kt early. Seas 2 to 3 ft.
Fri..W winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Fri night..W winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 1 to 2 ft in the evening, then 1 ft or less.
Sat..SW winds 5 to 10 kt. Seas 1 ft or less.
Sat night..SE winds 5 to 10 kt. Seas 1 ft or less. Chance of rain in the evening, then rain after midnight with vsby 1 to 3 nm.
Sun..NE winds 10 to 15 kt with gusts up to 25 kt. Seas 1 ft or less. Rain.
Sun night..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 1 to 2 ft.
Mon..NW winds 10 to 15 kt with gusts up to 25 kt. Seas 1 to 2 ft.
Mon night..NW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 944 Am Edt Thu Apr 22 2021
Synopsis for the long island waters and new york harbor.. Deepening low pressure over the canadian maritimes will slowly lift north and east today, becoming nearly stationary tonight, then slowly weakening and resuming its trek northward on Friday. At the same time, high pressure builds to the south and west, passing offshore on Saturday. Low pressure approaches from the southwest late Saturday and passes to the south and east on Sunday. High pressure builds in Sunday night and Monday.


7 Day Forecast for Marine Location Near Rye, NY
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location: 40.94, -73.7     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 221446 AFDOKX

Area Forecast Discussion National Weather Service New York NY 1046 AM EDT Thu Apr 22 2021

SYNOPSIS. Deepening low pressure over the Canadian Maritimes will slowly lift north and east today, becoming nearly stationary tonight, then slowly weakening and resuming its trek northward on Friday. At the same time, high pressure builds to the south and west, passing offshore on Saturday. Low pressure approaches from the southwest late Saturday and passes to the south and east on Sunday. High pressure then builds in from the west Sunday night into Monday before settling over the area on Tuesday. The high shifts offshore on Wednesday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. Strong low pressure in the Canadian Maritimes and a surface trough will keep extra clouds and gusty winds through this afternoon. Forecast temperatures are on track and forecast dewpoints were lowered slightly. Chance of snow flurries added for parts of Lower Hudson Valley and Southern Connecticut which should be ending before the start of this afternoon. Dry low levels with large spread between temperatures and dewpoints will make for a lot of precipitation not to reach the ground.

Deepening low pressure over the Canadian Maritimes and high pressure building to the south and west will maintain a strong pressure gradient across the region. This will result in strong west winds with gusts up to 35 mph. A few peak wind gusts up to around 40 mph will be possible especially late this afternoon into the start of this evening.

Deep-layered cyclone flow will allow for instability clouds to form above 5000 ft late this morning into this afternoon. At the same time, an unseasonably cold airmass will be in place for late April, with highs struggling to get much above 50. This will be about 10 degrees below normal and will feel even colder with the gusty west winds.

SHORT TERM /6 PM THIS EVENING THROUGH SATURDAY NIGHT/. Winds will slacken somewhat tonight with the loss of the deep daytime mixing. Still though, gusts up to 25 mph will be possible and even with mostly clear skies, the radiational cooling component will be hindered. The airmass will moderate somewhat as well.

Confidence for freezing or lower temperatures is high enough at this time to issue a freeze watch for Western Passaic NJ, Orange and Putnam NY as well as Northern parts of Fairfield and New Haven CT. These locations have a pretty high likelihood or dropping to 30 to 32 degrees for low temperatures, considering most of the guidance is below freezing including new runs of the LAMP guidance for late tonight into early Friday.

Less confidence for freezing temperatures closer to the coast, Southeast CT and for NYC where lows are generally more in the mid to upper 30s but near 40 for NYC. Still think the gusty winds will prevent the formation of frost so no frost advisories are expected at this time.

Friday will continue to be gusty, but less so than prior day, and temperatures will to seasonable levels with highs generally in the lower 60s.

As low pressure weakens Friday into Saturday, gusts will be lost Friday night and high pressure will build in from the southwest. Conditions will remain dry and mild on Saturday as the high builds offshore and winds turn around to the south in the afternoon.

Global models remain in good agreement with a progressive southern branch low that interacts with a northern branch shortwave trough moving across the Great Lakes. There has been no indication at this time of phasing of the two branches. Rain from the system will overspread the area from SW to NE during the evening and into the overnight hours.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. The upper trough crosses the area on Sunday, with its associated surface low passing south of Long Island during the day. After a wet start to the day, rain will taper off from west to east during the afternoon as the low moves east of the area. Gusty northwest flow then develops Sunday night into Monday as the pressure gradient tightens between the departing low and high pressure building to the west.

The high builds over the area on Tuesday before shifting offshore on Wednesday. With rising heights aloft, this should lead to a gradual warming trend. After near normal temperatures on Sunday and Monday, temperatures return to above normal Tuesday, and by Wednesday temperatures may be as much as 10 degrees above seasonal normals.

AVIATION /15Z THURSDAY THROUGH MONDAY/. Low pressure continues to exit to the northeast. High pressure builds towards the area today.

VFR conditions through the TAF period.

WNW winds will increase this morning with gusts to 30-35 kt from late this morning through the afternoon. Winds then decrease this evening, with gusts falling to 25 kt or less at coastal terminals. Gusts may come to an end entirely for a few hours very late tonight into early Friday morning at outlying terminals.

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

No unscheduled amendments expected.

OUTLOOK FOR 12Z FRIDAY THROUGH MONDAY. Friday. VFR. WNW winds G20-25kt. Saturday. VFR. Saturday night-Sunday. MVFR/IFR in rain. Monday. VFR.

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

MARINE. Marginal gales will continue across all waters today and into this evening, ending on the non-ocean waters first. There is the possibility that the gales will need to be lowered earlier as the gusts may become more occasional at 35 kt late in the day. SCA conditions will remain across the waters on Friday with only lingering 5 ft seas on the ocean Friday night as high pressure builds in from the southwest. Sub-SCA conditions are forecast across all waters Saturday and Saturday night.

SCA conditions will develop on Sunday as both winds and seas increase in response to deepening low pressure passing south of Long Island. As the low moves off to the northeast, winds will shift to the NW with SCA gusts continuing Sunday night before gradually diminishing during the day on Monday. By Monday night, both winds and seas will likely fall below SCA levels on all waters as high pressure begins to build across the waters.

FIRE WEATHER. An SPS has been coordinated with the state of CT and NJ for the mention of elevated risk of wildfire spread should ignition occur.

Both today and Friday will pose an elevated risk of wildfire spread due to low RH and gusty west winds. Min RH values both days will generally be less than 30 percent.

Rainfall amounts on the order of 0.25 to 0.50 inches from Wednesday will likely factor into how quickly fine fuels can dry out. This should occur quickly though due to gusty west winds and low RH values. The greater risk for potential fire spread appears to be on Friday when conditions are expected to be drier.

HYDROLOGY. No hydrologic impacts are expected through the period.

OKX WATCHES/WARNINGS/ADVISORIES. CT . Freeze Watch from late tonight through Friday morning for CTZ005-006. NY . Freeze Watch from late tonight through Friday morning for NYZ067-068. NJ . Freeze Watch from late tonight through Friday morning for NJZ002. MARINE . Gale Warning until 8 PM EDT this evening for ANZ331-332-335- 338-340-345. Gale Warning until 11 PM EDT this evening for ANZ350-353-355.

SYNOPSIS . FEB/DW NEAR TERM . JM/DW SHORT TERM . JM/DW LONG TERM . FEB AVIATION . FEB/JP MARINE . FEB/DW FIRE WEATHER . HYDROLOGY . FEB/DW


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
KPTN6 - 8516945 - Kings Point, NY 10 mi81 min N 20 G 30 38°F 1011.4 hPa
BATN6 - 8518750 - The Battery, NY 23 mi81 min 39°F 50°F1011.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 28 mi81 min WNW 22 G 32 39°F 1010.9 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 31 mi81 min 47°F1010.9 hPa
BRHC3 - 8467150 - Bridgeport, CT 32 mi81 min WNW 11 G 20 38°F 48°F1008.5 hPa
MHRN6 32 mi81 min W 18 G 25
44069 37 mi75 min WNW 19 G 27 39°F 53°F25°F
SDHN4 - 8531680 - Sandy Hook, NJ 37 mi81 min WNW 24 G 28 39°F 1012.1 hPa
44065 - Entrance to New York Harbor 39 mi65 min W 23 G 29 46°F1010.9 hPa
NWHC3 - 8465705 - New Haven, CT 48 mi81 min NW 22 G 26 38°F 49°F1008.8 hPa

Wind History for Kings Point, NY
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
White Plains - Westchester County Airport, NY10 mi19 minWNW 17 G 2910.00 miMostly Cloudy39°F16°F39%1010.2 hPa
New York, La Guardia Airport, NY15 mi24 minNW 18 G 2610.00 miPartly Cloudy and Breezy43°F18°F37%1010.9 hPa
New York City, Central Park, NY18 mi24 minSW 16 G 2210.00 miMostly Cloudy42°F15°F33%1011 hPa
Teterboro, Teterboro Airport, NJ19 mi24 minNW 15 G 2810.00 miMostly Cloudy42°F18°F38%1010.8 hPa
New York, Kennedy International Airport, NY20 mi24 minWNW 21 G 2510.00 miPartly Cloudy and Breezy44°F16°F32%1011.2 hPa
Farmingdale - Republic Airport, NY21 mi22 minWNW 20 G 2510.00 miMostly Cloudy and Breezy41°F16°F36%1010.6 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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2 days agoSE9S3S9N7SE6S7S8S3CalmCalmCalmCalmNW3NW4NW4W4W4W5W3Calm3SW8SW8SW7

Tide / Current Tables for Mamaroneck, New York
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Mamaroneck
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Thu -- 01:15 AM EDT     1.37 feet Low Tide
Thu -- 03:58 AM EDT     Moonset
Thu -- 06:05 AM EDT     Sunrise
Thu -- 07:22 AM EDT     7.37 feet High Tide
Thu -- 02:02 PM EDT     0.87 feet Low Tide
Thu -- 02:24 PM EDT     Moonrise
Thu -- 07:42 PM EDT     Sunset
Thu -- 08:06 PM EDT     7.49 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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21.41.51.92.94.76.57.37.36.85.94.22.31.20.911.73.35.577.57.36.75.3

Tide / Current Tables for Throg's Neck, Long Island Sound, New York Current
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Throg's Neck
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Thu -- 02:35 AM EDT     0.88 knots Max Flood
Thu -- 03:58 AM EDT     Moonset
Thu -- 05:21 AM EDT     -0.00 knots Slack
Thu -- 06:05 AM EDT     Sunrise
Thu -- 08:48 AM EDT     -0.60 knots Max Ebb
Thu -- 11:30 AM EDT     0.00 knots Slack
Thu -- 02:25 PM EDT     Moonrise
Thu -- 03:00 PM EDT     0.85 knots Max Flood
Thu -- 05:32 PM EDT     -0.00 knots Slack
Thu -- 07:42 PM EDT     Sunset
Thu -- 09:10 PM EDT     -0.65 knots Max Ebb
Thu -- 11:51 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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0.10.40.80.80.40.1-0.1-0.3-0.5-0.6-0.4-0.10.10.20.60.80.60.2-0.1-0.3-0.5-0.6-0.6-0.3

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