Friday, August14, 2020
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Marine Weather and Tides
Port Monmouth, NJ

Version 3.4
NOTICE
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 6:04AMSunset 7:56PM Friday August 14, 2020 9:30 AM EDT (13:30 UTC) Moonrise 1:20AMMoonset 4:41PM Illumination 19% Phase: Waning Crescent; Moon at 25 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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ANZ338 NEw York Harbor- 920 Am Edt Fri Aug 14 2020
Today..E winds around 10 kt. Seas 1 ft or less, then around 2 ft this afternoon. Slight chance of showers this afternoon.
Tonight..NE winds 5 to 10 kt. Seas 1 ft or less.
Sat..NE winds 10 to 15 kt with gusts up to 20 kt. Seas 1 to 2 ft.
Sat night..NE winds 10 to 15 kt. Seas 1 to 2 ft. Chance of rain.
Sun..NE winds around 10 kt. Seas around 2 ft. Chance of rain. Vsby 1 to 3 nm.
Sun night..NE winds around 10 kt. Seas around 1 ft. Chance of rain. Vsby 1 to 3 nm.
Mon..N winds 5 to 10 kt, becoming W in the afternoon. Seas 1 ft or less. Chance of showers.
Mon night..W winds 5 to 10 kt. Seas 1 ft or less.
Tue..W winds 5 to 10 kt. Seas 1 ft or less.
Tue night..W winds 5 to 10 kt, becoming N after midnight. Seas 1 ft or less.
ANZ300 920 Am Edt Fri Aug 14 2020
Synopsis for the long island waters and new york harbor.. A persistent east to northeast flow will develop today and continue into this weekend as low pressure passes south of long island and high pressure builds into new england. The high may move east on Sunday, allowing a warm front to approach, followed by a cold front on Monday and high pressure on Tuesday.


7 Day Forecast for Marine Location Near Port Monmouth, NJ
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location: 40.53, -74.04     debug


Area Discussion for - New York City/Upton, NY
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FXUS61 KOKX 141317 AFDOKX

Area Forecast Discussion National Weather Service New York NY 917 AM EDT Fri Aug 14 2020

SYNOPSIS. A frontal boundary remains nearly stationary south of Long Island today into this evening. High pressure then takes control on Saturday and weakens on Sunday as low pressure approaches from the Mid-Atlantic. The low passes to our south on Monday and is followed by a cold front late Monday night into Tuesday morning. High pressure regains control thereafter into the mid-week period.

NEAR TERM /UNTIL 6 PM THIS EVENING/. High pressure continues to build across New England. NE flow will usher in some drier low level air. At the same time, a wave of low pressure passes to our south along a stalled frontal boundary.

Have removed PoPs this morning as showers are remaining well to the south. Focus then shifts more towards areas west of NYC during the afternoon as an easterly flow provides some upslope convergence. This will aid in partly to mostly cloudy skies and a slight chance of showers.

High temperatures will be near seasonable in the low to mid 80s.

SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/. Drying in the low to mid levels will promote a dry night tonight as high pressure attempts to build in from the north, but is hampered by a wave of low pressure passing by to our south. The combination of these two features will lead to somewhat breezy conditions on Saturday, particularly for coastal areas. This NE-E flow and increasing afternoon clouds will also hold high temperatures into the 70s for some coastal spots. High temperatures otherwise near normal away from the coast. Models hint at a low chance of showers over SE CT and the Twin Forks area, so will include a slight chance of a shower here in the afternoon.

There is a moderate risk of rip currents on Saturday.

LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/. Focus shifts towards an approaching shortwave trough exiting the Ohio River Valley. Mid-level moisture returns to southern New York as this system approaches. Winds veer slightly and precipitable water values increase to around 2 inches. Models are indicating possible enhanced isentropic lift along the warm front late Sunday. Total QPF from these showers and possible thunderstorms is hard to pin down as amounts will be highly contingent on the location of the heavy rainfall axis. At the moment models are keeping the heaviest rainfall south of Long Island. However if the system drifts north rain amounts ranging between 1 to 2 inches total across southern New York, northeast New Jersey and southern Connecticut are not out of the questions. This means isolated flash flooding will again be possible late this weekend. Areas not affected by rainfall will see cloudy skies and temperatures in the upper 70s.

The primary longwave trough over the Great Lakes Region pivots through New York early next week. This dynamic lift from this trough may induce additional showers to start the week, but precipitable water values hover around 1.4 to 1.5 inches. Any showers in this environment should be light to moderate. As the trough axis exits New England mid week, locally long range models are depicting some slight surface ridge from a possible 1017 mb high above Pennsylvania. Subsidence should keep rain chances to a minimum but uncertainty still exists whether or not this holds through Thursday. More confidence in high temperatures which should persist in the low 80s through the week.

AVIATION /13Z FRIDAY THROUGH TUESDAY/. VFR as easterly flow develops between weak low pressure passing to the south and high pressure starting to build into New England. Can't totally rule out a shower with brief MVFR conditions at the NYC metros, possibly KSWF too, from late AM into this afternoon.

Light N-NE flow to start will veer more NE-E by late morning, then increase to just under 10 kt at most inland sites, and around or just over 10 kt along the coast. Winds should back more NE and diminish to under 10 kt this evening.

. NY Metro Enhanced Aviation Weather Support .

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

KJFK TAF Comments: No unscheduled amendments expected.

The afternoon KJFK haze potential forecast is GREEN, which implies slant range visibility P6SM outside of cloud.

KLGA TAF Comments: No unscheduled amendments expected.

The afternoon KLGA haze potential forecast is GREEN, which implies slant range visibility P6SM outside of cloud.

KEWR TAF Comments: No unscheduled amendments expected.

The afternoon KEWR haze potential forecast is GREEN, which implies slant range visibility P6SM outside of cloud.

KTEB TAF Comments: No unscheduled amendments expected.

KHPN TAF Comments: No unscheduled amendments.

KISP TAF Comments: No unscheduled amendments expected.

OUTLOOK FOR 12Z SATURDAY THROUGH WEDNESDAY. Saturday. VFR. E winds 10-15G20kt. Saturday night through Monday. MVFR or lower in any showers/tstms. Tuesday and Wednesday. VFR.

MARINE. Increasing E flow should bring SCA conds to the ocean waters from late evening through at least Sat night as low pressure passes to the south and high pressure builds to the north. Wind gusts should peak just over 30 kt E of Fire Island Inlet daytime Sat, while sea peak at 6-8 ft.

Lingering marginal SCA conds likely on Sunday as E flow persists. Sub SCA conds may return Sunday night/Monday but this remains uncertain. Sub SCA conditions with light west winds 5-10 kts otherwise begin Tuesday before shifting south by the middle of the week.

HYDROLOGY. No hydrologic impacts are expected through Saturday.

Precipitable water values could be around 2 inches Sunday into Monday as a warm front with heavy rain moves slowly over southern New York. QPF values between 1 to 2 inches with isolated higher amounts are not out of the question. Nuisance to minor flooding could be possible in any showers and thunderstorms, primarily in urban and other poor drainage areas.

OKX WATCHES/WARNINGS/ADVISORIES. CT . None. NY . None. NJ . None. MARINE . Small Craft Advisory from 11 PM this evening to 8 AM EDT Sunday for ANZ350-353-355.

SYNOPSIS . JC NEAR TERM . JC/DS SHORT TERM . JC LONG TERM . DJ AVIATION . MET MARINE . Goodman HYDROLOGY . JC/DJ


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SDHN4 - 8531680 - Sandy Hook, NJ 5 mi163 min NE 4.1 G 5.1 74°F 79°F1017.2 hPa
ROBN4 - 8530973 - Robins Reef, NJ 9 mi163 min ENE 8 G 8.9 76°F 1016.7 hPa
BGNN4 - 8519483 - Bergen Point West Reach, NJ 9 mi163 min 75°F 78°F1016.8 hPa
MHRN6 10 mi163 min NNE 5.1 G 7
BATN6 - 8518750 - The Battery, NY 12 mi163 min 76°F 77°F1016.9 hPa
44065 - Entrance to New York Harbor 21 mi31 min NE 9.7 G 12 1016 hPa (+0.6)
KPTN6 - 8516945 - Kings Point, NY 24 mi163 min ENE 4.1 G 5.1 73°F 1017.5 hPa
44022 - Execution Rocks 29 mi46 min NE 9.7 G 12 75°F 70°F
44040 - Western Long Island Sound 38 mi46 min NE 9.7 G 14 75°F 66°F
NBLP1 - 8548989 - Newbold, PA 46 mi163 min ENE 2.9 G 5.1 1016.9 hPa

Wind History for Sandy Hook, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Newark, Newark International Airport, NJ14 mi40 minNNE 910.00 miMostly Cloudy78°F69°F74%1016.7 hPa
New York, Kennedy International Airport, NY16 mi40 minNNE 810.00 miMostly Cloudy79°F70°F74%1016.9 hPa
New York City, Central Park, NY18 mi40 minNE 710.00 mi78°F66°F67%1016.9 hPa
New York, La Guardia Airport, NY19 mi40 minENE 910.00 miMostly Cloudy78°F66°F67%1016.8 hPa
Teterboro, Teterboro Airport, NJ23 mi40 minNNE 610.00 miFair78°F66°F69%1016.4 hPa

Link to 5 minute data for KEWR

Wind History from EWR (wind in knots)
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Last 24hr4NW7NE6N5NE11NE4NE5NE5E4N5E4NE4E3CalmNE3NE3N6N7NE5N6N6N6N9N9
1 day agoCalm4Calm43S10S12SW6S9W7SW4W6W3S5SW4W4W3N4N7N8N10N9N7N5
2 days agoSW5CalmSE6S7
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Tide / Current Tables for New Dorp Beach, New York
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New Dorp Beach
Click for Map
Fri -- 01:20 AM EDT     Moonrise
Fri -- 04:21 AM EDT     4.09 feet High Tide
Fri -- 06:06 AM EDT     Sunrise
Fri -- 10:42 AM EDT     0.97 feet Low Tide
Fri -- 04:40 PM EDT     5.12 feet High Tide
Fri -- 04:41 PM EDT     Moonset
Fri -- 07:54 PM EDT     Sunset
Fri -- 11:46 PM EDT     0.85 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.52.33.13.74.143.52.821.51.111.52.53.74.555.14.743.12.31.61

Tide / Current Tables for The Narrows, Midchannel, New York Harbor, New York Current (2)
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The Narrows
Click for Map
Fri -- 01:19 AM EDT     Moonrise
Fri -- 01:30 AM EDT     0.00 knots Slack
Fri -- 03:29 AM EDT     0.99 knots Max Flood
Fri -- 06:06 AM EDT     Sunrise
Fri -- 06:29 AM EDT     -0.00 knots Slack
Fri -- 09:50 AM EDT     -1.57 knots Max Ebb
Fri -- 01:20 PM EDT     0.00 knots Slack
Fri -- 03:55 PM EDT     1.54 knots Max Flood
Fri -- 04:41 PM EDT     Moonset
Fri -- 07:15 PM EDT     -0.00 knots Slack
Fri -- 07:54 PM EDT     Sunset
Fri -- 10:31 PM EDT     -1.78 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-0.40.40.910.80.3-0.4-1-1.4-1.6-1.3-0.8-0.20.61.31.51.410.2-0.7-1.3-1.7-1.7

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
Wind Forecast for New York City/Upton, NY (9,2,3,4)
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Ground Weather Radar Station Philadelphia, PA
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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 numerous 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.