Thursday, September16, 2021
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Marine Weather and Tides
Ocean City, NJ

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 6:39AMSunset 7:06PM Thursday September 16, 2021 6:43 AM EDT (10:43 UTC) Moonrise 5:05PMMoonset 1:34AM Illumination 74% Phase: Waxing Gibbous; Moon at 10 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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ANZ453 Coastal Waters From Great Egg Inlet To Cape May Nj Out 20 Nm- 402 Am Edt Thu Sep 16 2021
.small craft advisory in effect from late tonight through late Friday night...
Today..SE winds 5 to 10 kt, becoming E late. Seas around 3 ft this morning, then 2 ft or less. A chance of tstms. SWell mainly from the se with a dominant period of 9 seconds.
Tonight..E winds 10 to 15 kt. Gusts up to 20 kt in the late evening and overnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. A chance of tstms early in the evening. A chance of showers after midnight. SWell mainly from the se with a dominant period of 9 seconds.
Fri..NE winds around 15 kt with gusts up to 20 kt. Seas 5 to 6 ft. A chance of showers. SWell mainly from the se with a dominant period of 9 seconds.
Fri night..NE winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. A chance of showers early in the evening. SWell mainly from the E with a dominant period of 8 seconds.
Sat..N winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 6 ft.
Sat night..NE winds 5 to 10 kt, becoming nw after midnight. Seas 3 to 4 ft.
Sun..N winds around 10 kt, becoming ne in the afternoon. Seas 3 to 4 ft.
Sun night..E winds 5 to 10 kt. Seas around 3 ft.
Mon..E winds 5 to 10 kt. Seas around 3 ft.
Mon night..E winds 5 to 10 kt. Seas around 3 ft. Winds and seas higher in and near tstms.
ANZ400 402 Am Edt Thu Sep 16 2021
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A cold front moved into our region during the night. Low pressure centered off the coast of the carolinas early this morning is forecast to move slowly to the north today and Friday before accelerating northeastward over the weekend. A cold front approaching from the northwest is expected to pass through our region on Saturday night, followed by high pressure for the period from Sunday through Wednesday.


7 Day Forecast for Marine Location Near Ocean City, NJ
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location: 39.28, -74.58     debug


Area Discussion for - Philadelphia/Mount Holly, PA
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FXUS61 KPHI 160942 AFDPHI

Area Forecast Discussion National Weather Service Mount Holly NJ 542 AM EDT Thu Sep 16 2021

SYNOPSIS. A cold front moved into our region during the night. Low pressure centered off the coast of the Carolinas early this morning is forecast to move slowly to the north today and Friday before accelerating northeastward over the weekend. A cold front approaching from the northwest is expected to pass through our region on Saturday night, followed by high pressure for the period from Sunday through Wednesday.

NEAR TERM /THROUGH TONIGHT/. As of 3AM the front is roughly over the I-95 corridor, although it has largely outrun its upper-lvl support and consequently most of the precip associated with it has dissipated (decreasing instability has also contributed). The majority of the precip currently in our area is actually focused behind the front, over the southern Poconos, in close proximity to the right entrance region of the UL jet. There is some elevated instability present so some rumbles of thunder and brief heavy rainfall will be possible in this area through about sunrise (when the jet will progress northeast). Some stratus and perhaps some patchy fog will likely also develop towards daybreak, particularly north of the boundary.

The boundary will remain stalled over the area today, as High Pressure attempts to build in from the northeast, but will be opposed by a deepening coastal low to our south. Per usual in these setups the thermal contrast along the boundary will begin to washout, and associated along-boundary confluence will also weaken. However, abundant moisture (PWATs around 1.75 inches) will be drawn northwestward around the flank of the developing coastal low into our area later today. This moisture and associated instability should be sufficient for the development of at least scattered showers/thunderstorms along and south of the boundary this afternoon (essentially along and south of I-95). The main threat with any storms would be locally heavy rainfall given the fairly most environment, middling storm motion (propagation speeds around 15- 20kts), and largely stationary forcing mechanism. Consequently retained the mention of heavy rain with this afternoon's storms, but confidence in exact placement of convection/heavy rainfall remains low.

Given the weak overall forcing suspect this activity will wane fairly quickly after sunset and be largely done by this evening. With a moist low-lvl airmass in place and increasing onshore flow suspect stratus will fill in tonight, and some fog may advect in from the NE over the northern third or so of the area. Not confident on how dense/widespread any fog will be given decent momentum in the BL.

SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/. Surface low pressure is forecast to be located off Cape Hatteras on Friday morning. The low is expected to drift north to northeastward on Friday and Friday night, before picking up speed and moving away to the northeast and farther out to sea on Saturday and Saturday night.

The circulation around the low will result in a northeast wind in our region on Friday. Initially, the flow is expected to bring clouds and scattered showers. However, some dry air may begin to wrap around the low and into parts of our area as the day progresses. High temperatures are anticipated to favor the 75 to 80 degree range.

Additional dry air is expected to arrive on Friday night with the sky becoming partly cloudy. Lows should be mostly in the 60s with a light north wind.

Scattered clouds are forecast for Saturday. Temperatures will likely be warm with highs mainly in the lower 80s. Conditions are expected to remain somewhat humid with dew point readings still in the middle and upper 60s. There is a low or slight chance of showers in the afternoon in our northwestern counties, ahead of an approaching cold front.

A mid level short wave trough is forecast to pass over eastern New York and New England on Saturday night and it should pull a cold front through our region at that time. There is anticipated to be only limited moisture associated with the features, so we are not expecting much of a chance of precipitation at that time. Low temperatures on Saturday night will likely be in the 60s with dew point values beginning to lower.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Surface high pressure is expected to extend from the Great Lakes up into Quebec on Sunday morning. The center of the air mass is forecast to slide east southeastward, stalling over the coastal waters of New England on Monday and Tuesday, before moving farther out to sea on Wednesday.

The high will likely bring dry weather and slightly above normal temperatures to our region for the period from Sunday through Wednesday.

AVIATION /10Z THURSDAY THROUGH MONDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.

Through this morning . A mixture of VFR/MVFR ceilings likely. Variable winds becoming E-NE around 5 kts later this morning. Low confidence in flight categories.

This afternoon . Largely high-end MVFR, or low-end VFR. SHRA/TSRA will be possible, primarily along and SE of I-95. Winds E-NE 5- 10kts. Moderate confidence overall, lowest confidence is in timing and placement of precipitation.

Tonight . Largely sub-VFR in stratus with easterly winds 5-10kts. Moderate confidence.

Outlook .

Friday . Generally MVFR ceilings in the morning, improving to VFR in the afternoon. A chance of showers. Northeast wind around 10 knots. Medium confidence.

Saturday . Mainly VFR. North to northwest wind 5 to 10 knots. High confidence.

Sunday . Mainly VFR. North wind around 10 knots. High confidence.

Monday . Mainly VFR. Northeast to southeast wind 5 to 10 knots. High confidence.

MARINE. Sub-SCA conditions are expected through the day today, however seas will likely increase to 5-6 ft tonight into early Friday morning. Consequently have issued an SCA starting at midnight (tonight) for the ocean waters. Sub-SCA conditions are expected for Delaware Bay.

Outlook .

Friday and Friday night . A Small Craft Advisory will be in effect for our ocean waters for wave heights of 5 to 6 feet due to an offshore low. Northeast wind 15 to 20 knots, becoming north.

Saturday . Wave heights on our ocean waters should remain around 5 to 6 feet. North to northeast wind 10 to 15 knots.

Sunday and Monday . No marine headlines are anticipated.

Rip Currents .

A moderate risk for the formation of dangerous rip currents is expected today. Winds are expected to shift to southeasterly and eventually easterly, increasing in speed to 10 to 15 MPH by the afternoon. A medium period southeast to east swell is likely and breaking waves should be 1 to 2 feet.

An elevated rip risk is expected to continue on Friday as onshore flow continues. Winds will shift to northeasterly around 10 to 20 mph. At this point we are expecting a moderate risk for rip currents, but will have to monitor this closely as if the forecast for either waves or wind speeds increases, this could be a high risk.

PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory from midnight tonight to 6 AM EDT Saturday for ANZ450>455.

Synopsis . Iovino Near Term . Carr Short Term . Iovino Long Term . Iovino Aviation . Carr/Iovino Marine . Carr/Iovino


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ACYN4 - 8534720 - Atlantic City, NJ 10 mi56 min 72°F 70°F1019.4 hPa
JCRN4 - Jacques Cousteau Reserve, NJ 19 mi74 min Calm 73°F 1019 hPa72°F
CMAN4 - 8536110 - Cape May, NJ 30 mi56 min ESE 4.1 G 4.1 74°F 74°F1018 hPa
BRND1 - 8555889 - Brandywine Shoal Light, DE 35 mi56 min SSW 7 G 8 1018.3 hPa
SJSN4 - 8537121 - Ship John Shoal, NJ 42 mi56 min NNE 6 G 7 73°F 76°F1019.1 hPa
LWSD1 - 8557380 - Lewes, DE 45 mi56 min SSE 2.9 G 4.1 75°F 71°F1018 hPa
DRSD1 - Delaware Reserve, DE 47 mi74 min ESE 1 73°F 1018 hPa73°F

Wind History for Cape May, NJ
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Atlantic City, Atlantic City International Airport, NJ12 mi50 minN 39.00 miPartly Cloudy72°F71°F97%1018.5 hPa

Link to 5 minute data for KACY

Wind History from ACY (wind in knots)
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1 day agoCalmCalmE33E5SE7E6S7SE8S7S7SE8S6S7S6S6S5S6S7S6S5S4S4SW5
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Tide / Current Tables for Ocean City, 9th Street Bridge, New Jersey
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Ocean City
Click for Map
Thu -- 01:34 AM EDT     Moonset
Thu -- 04:59 AM EDT     3.38 feet High Tide
Thu -- 06:40 AM EDT     Sunrise
Thu -- 11:10 AM EDT     0.55 feet Low Tide
Thu -- 05:05 PM EDT     Moonrise
Thu -- 05:29 PM EDT     4.30 feet High Tide
Thu -- 07:04 PM EDT     Sunset
Thu -- 11:56 PM EDT     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.71.322.73.23.43.22.72.11.40.90.60.71.42.233.84.24.23.832.11.20.5

Tide / Current Tables for Middle Thorofare, Ocean Drive bridge, New Jersey
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Middle Thorofare
Click for Map
Thu -- 01:34 AM EDT     Moonset
Thu -- 04:32 AM EDT     3.63 feet High Tide
Thu -- 06:41 AM EDT     Sunrise
Thu -- 10:45 AM EDT     0.52 feet Low Tide
Thu -- 05:01 PM EDT     4.47 feet High Tide
Thu -- 05:05 PM EDT     Moonrise
Thu -- 07:04 PM EDT     Sunset
Thu -- 11:34 PM EDT     0.20 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.91.62.53.13.63.63.12.51.81.20.70.50.91.82.73.64.24.54.23.52.71.80.90.3

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