Thursday, March4, 2021
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Marine Weather and Tides
South Nyack, 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 6:22AMSunset 5:51PM Thursday March 4, 2021 4:58 PM EST (21:58 UTC) Moonrise 12:11AMMoonset 10:34AM Illumination 63% 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- 322 Pm Est Thu Mar 4 2021
.small craft advisory in effect through Friday afternoon...
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Fri..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Fri night..NW winds 15 to 20 kt, becoming W 10 to 15 kt after midnight. Seas around 2 ft in the evening, then 1 ft or less.
Sat..NW winds 10 to 15 kt. Seas 1 ft or less.
Sat night..NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 1 ft or less.
Sun..NW winds 5 to 10 kt. Seas 1 ft or less.
Sun night..N winds around 10 kt. Seas 1 ft or less.
Mon..NW winds 5 to 10 kt. Seas 1 ft or less.
Mon night..SW winds 5 to 10 kt. Seas 1 ft or less.
Tue..SW winds 5 to 10 kt. Seas 1 ft or less.
Tue night..SW winds 5 to 10 kt. Seas 1 ft or less.
ANZ300 322 Pm Est Thu Mar 4 2021
Synopsis for the long island waters and new york harbor.. The coastal waters will remain between strong low pressure over the canadian maritimes and high pressure situated over southern canada and the upper midwest through the weekend. The high will build over the waters Sunday and remain in control Monday and Tuesday.


7 Day Forecast for Marine Location Near South Nyack, NY
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location: 41.08, -73.9     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 042027 AFDOKX

Area Forecast Discussion National Weather Service New York NY 327 PM EST Thu Mar 4 2021

SYNOPSIS.

Low pressure system north of Maine meanders over eastern Canada through Friday as a high pressure over central Canada dives south into the Great Lakes region. The high will build over the region Sunday and remain in control Monday, and then shift to the south and east into the middle of next week. The high moves offshore Wednesday night and Thursday as a cold front slowly approaches from the west.

NEAR TERM /UNTIL 6 PM THIS EVENING/.

High pressure north of the Great Lakes Region continues to force dry air from the northwest into the local area. Winds around 10-15 mph drive dew points down from the teens into the single digits overnight. Likewise a chilly night is in store as ambient temperatures fall into the low 20s and upper teens. Sky cover remains rather clear with possibly some mid-level clouds creeping in prior to sunrise as a weak reinforcing cold front pushes south into Long Island.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/.

Trough north of Maine remains quasi-stationary through Friday with dry conditions dominating for the day. As the surface low over eastern Canada slowly fills, the high pressure system over central Canada nudges south following the upper level southwesterly flow. Locally this maintains and even slightly strengthens the pressure gradient over the Northeast states and northwest winds over souther New York remain stable 15-20 mph with gusts up to 30 mph. Temperatures by the afternoon will be around 10 degrees colder on average that the day prior settling back in the mid to low 30s. Additionally, wind chills will make it feel like the low 20s even with clear skies.

As the Sun sets expect winds to decouple and gusts to come to a end for the evening. The relaxing winds and end to the mixing should allow dew points to slightly recover overnight. This does help overnight minimums which are expected to be in the mid to low 20s throughout the area.

LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/.

Upper ridging will be building into the eastern U.S. beginning Saturday, as a deep closed upper low over eastern Canada and the northeast weakens and slowly tracks east, and continuing into Wednesday. A cool airmass will remain over the northeast Saturday with weak cold advection gradually ending into Saturday night. With surface high pressure to the west Saturday, a gusty northwest flow will dominate, and temperatures will remain up to 10 degrees below normal. Deep northwest flow will continue Saturday night through Sunday night as heights slowly rise with the approach of the ridge axis. Below normal temperatures are expected into Monday, however, weak warm advection begins to setup during Monday as low level winds gradually back, and a warming trend begins. The warming will then continue into the end of the week, with stronger warming expected Wednesday and Thursday as the surface high and upper ridge begin to move offshore. By Thursday temperatures may be as much as 10 to 15 degrees above normal seasonal levels. The southwesterly flow that does set up Tuesday through Thursday will keep temperatures along the coast several degrees lower as ocean water temperature remain in the lower 40s. A frontal system will be approaching for Thursday, however, the trend has been for the eastern ridge to be slower to move offshore as the trough deepens across the central U.S. As a result, will have low to slight chance probabilities for Thursday, with the possibility of Thursday remaining dry.

AVIATION /21Z THURSDAY THROUGH TUESDAY/. VFR with gusty NW winds on or just right of 310 mag as the region remains between high pressure over the Midwest and and low pressure over the Canadian Maritimes. NW winds 15-20G25kt may pick up for a few hours to 20G30kt (about 21Z-01Z), with gusts dropping off slightly thereafter.

Winds overall may lull to 15G20kt late tonight and into the AM push, then pick up again to speeds similar to those of today, while backing slightly right on or just left of 310 mag.

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

OUTLOOK FOR 18Z FRIDAY THROUGH TUESDAY. Friday afternoon. VFR. WNW winds (left of 310 mag) 20G25kt, with a few higher gusts closer to 30 kt NYC metro. Friday night and Saturday. VFR. NW winds 10-15G20kt. Saturday night through Tuesday. VFR.

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

MARINE.

Persistent SCA criteria offshore winds remain through the short-term forecast. Particularly offshore gusts between 25-30 kts are expected through Saturday morning. Waves are anticipated to hold around 4 feet through late Friday before beginning to wane possibly Saturday morning.

Small craft advisory wind gusts will be possible across all the forecast waters Saturday morning as deep low pressure continues to meander through the Canadian Maritimes and high pressure builds to the west. In addition, ocean seas will be subsiding to below 5 feet in a west to northwest flow. Conditions will be gradually improving through Saturday from west to east, as high pressure builds toward the waters from the northwest. There is some uncertainty as to how quickly the high builds toward the forecast waters, and SCA conditions may linger into late Saturday. After Saturday tranquil conditions are expected into early next week as high pressure dominates.

HYDROLOGY.

The dry weather regime will continue, thus there are no hydrologic concerns into the middle of next week.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory until 6 PM EST Friday for ANZ330-335-338- 340-345. Small Craft Advisory until 7 AM EST Saturday for ANZ350-353- 355.

SYNOPSIS . DJ/MET NEAR TERM . DJ SHORT TERM . DJ LONG TERM . MET AVIATION . BG MARINE . DJ/MET HYDROLOGY . DJ/MET


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
44022 - Execution Rocks 16 mi58 min NW 18 G 25 38°F 19°F
KPTN6 - 8516945 - Kings Point, NY 20 mi58 min N 19 G 27 38°F 1009.8 hPa (+0.5)
BATN6 - 8518750 - The Battery, NY 27 mi58 min 40°F 39°F1009.6 hPa (+0.4)
ROBN4 - 8530973 - Robins Reef, NJ 31 mi58 min NW 25 G 33 39°F 1009.1 hPa (+0.3)
BGNN4 - 8519483 - Bergen Point West Reach, NJ 33 mi58 min 39°F 1009.4 hPa (+0.6)
MHRN6 33 mi58 min NW 18 G 28
BRHC3 - 8467150 - Bridgeport, CT 39 mi58 min NNW 11 G 17 39°F 37°F1007.3 hPa (+0.3)
SDHN4 - 8531680 - Sandy Hook, NJ 43 mi58 min NW 25 G 31 39°F 1010.3 hPa (+0.6)

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 mi62 minWNW 25 G 3510.00 miA Few Clouds and Windy36°F13°F39%1008.7 hPa
Teterboro, Teterboro Airport, NJ17 mi67 minNNW 19 G 3010.00 miFair and Breezy39°F15°F38%1009.4 hPa
New York, La Guardia Airport, NY21 mi67 minNW 26 G 3210.00 miA Few Clouds and Windy40°F14°F35%1009 hPa
New York City, Central Park, NY21 mi67 minWNW 16 G 2610.00 miFair40°F11°F30%1009.1 hPa
Caldwell, Essex County Airport, NJ24 mi65 minNNW 16 G 3210.00 miFair40°F11°F30%1010.6 hPa

Link to 5 minute data for KHPN

Wind History from HPN (wind in knots)
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Last 24hrNW9W4NW7NW13NW5NW5W4NW5W5W8NW6W4W4W5W9W13
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1 day agoW18
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W10NW7W3W3W4W4CalmW3CalmCalmW5W5W43W7NW13NW13
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2 days agoNW17
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Tide / Current Tables for Tarrytown, Hudson River, New York (2)
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Tarrytown
Click for Map
Thu -- 01:37 AM EST     3.61 feet High Tide
Thu -- 06:24 AM EST     Sunrise
Thu -- 08:09 AM EST     -0.12 feet Low Tide
Thu -- 09:34 AM EST     Moonset
Thu -- 02:02 PM EST     3.09 feet High Tide
Thu -- 05:50 PM EST     Sunset
Thu -- 08:23 PM EST     -0.03 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.23.53.63.22.51.50.60.1-0.10.10.81.72.52.93.12.92.41.50.70.2-00.10.61.5

Tide / Current Tables for Haverstraw (Hudson River), New York Current
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Haverstraw (Hudson River)
Click for Map
Thu -- 01:35 AM EST     1.06 knots Max Flood
Thu -- 04:35 AM EST     -0.00 knots Slack
Thu -- 06:25 AM EST     Sunrise
Thu -- 08:07 AM EST     -1.35 knots Max Ebb
Thu -- 09:34 AM EST     Moonset
Thu -- 12:00 PM EST     0.00 knots Slack
Thu -- 02:02 PM EST     0.79 knots Max Flood
Thu -- 04:45 PM EST     -0.00 knots Slack
Thu -- 05:50 PM EST     Sunset
Thu -- 08:22 PM EST     -1.26 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.5110.80.4-0.3-0.8-1.2-1.3-1.2-0.9-0.5-00.60.80.70.4-0.1-0.7-1.1-1.2-1.2-0.9-0.5

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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