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Marine Weather and Tides
Version 3.4 |
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 6:10AM | Sunset 7:59PM | Friday August 14, 2020 7:21 AM EDT (11:21 UTC) | Moonrise 12:26AM | Moonset 3:44PM | Illumination 20% |  |
ANZ430 Delaware Bay Waters North Of East Point Nj To Slaughter Beach De- 702 Am Edt Fri Aug 14 2020
Today..NE winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Waves 2 ft or less. Patchy fog early this morning. Scattered showers this morning, then scattered tstms this afternoon. Vsby 1 to 3 nm early this morning.
Tonight..NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 ft or less. A chance of showers early in the evening.
Sat..NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less. A chance of tstms in the afternoon.
Sat night..E winds around 15 kt with gusts up to 25 kt. Waves 2 ft or less. A chance of tstms. Vsby 1 to 3 nm.
Sun..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less. Showers likely with a chance of tstms. Vsby 1 to 3 nm.
Sun night..NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 ft or less. Showers likely with a chance of tstms in the evening, then a chance of tstms after midnight. Vsby 1 to 3 nm in the evening.
Mon..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms in the morning.
Mon night..W winds 5 to 10 kt. Waves 2 ft or less.
Tue..NW winds 5 to 10 kt. Waves 2 ft or less.
Tue night..W winds around 5 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
Today..NE winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Waves 2 ft or less. Patchy fog early this morning. Scattered showers this morning, then scattered tstms this afternoon. Vsby 1 to 3 nm early this morning.
Tonight..NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 ft or less. A chance of showers early in the evening.
Sat..NE winds 10 to 15 kt with gusts up to 20 kt. Waves 2 ft or less. A chance of tstms in the afternoon.
Sat night..E winds around 15 kt with gusts up to 25 kt. Waves 2 ft or less. A chance of tstms. Vsby 1 to 3 nm.
Sun..NE winds 10 to 15 kt with gusts up to 25 kt. Waves 2 ft or less. Showers likely with a chance of tstms. Vsby 1 to 3 nm.
Sun night..NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 2 ft or less. Showers likely with a chance of tstms in the evening, then a chance of tstms after midnight. Vsby 1 to 3 nm in the evening.
Mon..NW winds 5 to 10 kt. Waves 2 ft or less. A chance of tstms in the morning.
Mon night..W winds 5 to 10 kt. Waves 2 ft or less.
Tue..NW winds 5 to 10 kt. Waves 2 ft or less.
Tue night..W winds around 5 kt. Waves 2 ft or less. Winds and waves higher in and near tstms.
ANZ400 702 Am Edt Fri Aug 14 2020
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A frontal boundary will slowly sag southward through Saturday, before stalling to our south Sunday as high pressure builds across eastern canada. SEveral waves of low pressure will move along this boundary, keeping unsettled weather across the area. The low pressure system that moves across the area late Sunday into Monday will push the frontal boundary offshore. This will allow another cold front to move across the area late Monday into Tuesday, which may stall to our south and offshore next week.
Synopsis for the coastal waters from sandy hook nj to fenwick island de and for delaware bay.. A frontal boundary will slowly sag southward through Saturday, before stalling to our south Sunday as high pressure builds across eastern canada. SEveral waves of low pressure will move along this boundary, keeping unsettled weather across the area. The low pressure system that moves across the area late Sunday into Monday will push the frontal boundary offshore. This will allow another cold front to move across the area late Monday into Tuesday, which may stall to our south and offshore next week.
7 Day Forecast for Marine Location Near Merchantville , NJ
Hourly EDIT Helplocation: 39.98, -75.08 debug
Area Discussion for - Philadelphia/Mount Holly, PA
(on/off) Help NOTE: mouseover dotted underlined text for definitionFXUS61 KPHI 140732 AFDPHI
Area Forecast Discussion National Weather Service Mount Holly NJ 332 AM EDT Fri Aug 14 2020
SYNOPSIS. A frontal boundary will slowly sag southward through Saturday, before stalling to our south Sunday as high pressure builds across eastern Canada. Several waves of low pressure will move along this boundary, keeping unsettled weather across the area. The low pressure system that moves across the area late Sunday into Monday will push the frontal boundary offshore. This will allow another cold front to move across the area late Monday into Tuesday, which may stall to our south and offshore next week.
NEAR TERM /UNTIL 6 AM THIS MORNING/. Dew point temperatures were in the lower and middle 60s in the Pocono Region and far northern New Jersey early this morning. However, abundant low level moisture was lingering in southeastern Pennsylvania, central and southern New Jersey, Delaware and northeastern Maryland. Those areas will continue to see some low clouds and patchy fog early this morning.
Low pressure was located off Cape Hatteras during the predawn hours, and it will move slowly to the northeast today. The circulation around the low is expected to continue drawing showers off the ocean and into eastern Maryland, Delaware and southern New Jersey. The showers are forecast to reach the Interstate 95 Corridor in our region this morning.
A strengthening northeast flow is anticipated to bring increasingly stable air into our region from the northeast during the course of the day. As a result, the chance of showers is forecast to begin decreasing in eastern Pennsylvania and New Jersey this afternoon. The higher chances for showers and scattered thunderstorms will be in Delaware and northeastern Maryland where marginal instability is forecast to pool during the afternoon hours.
High temperatures are expected range from the upper 70s to the middle 80s in our region.
SHORT TERM /6 AM THIS MORNING THROUGH 6 AM SATURDAY/. The surface low is expected to continue drifting northeastward tonight, to a point about 300 miles off the Delaware coast around daybreak on Saturday. The resulting northeast flow will draw stable and relatively dry air into our region overnight. While there is a lingering chance of showers in northeastern Maryland and Delaware, no precipitation is expected in eastern Pennsylvania or New Jersey.
A partly cloudy sky is anticipated for tonight with a northeast wind around 5 to 10 MPH. Low temperatures should be mostly in the 65 to 70 degree range.
LONG TERM /SATURDAY THROUGH THURSDAY/. Periods of unsettled weather are expected to affect portions of the area for much of the long term period with several waves of low pressure moving along frontal boundaries near the area.
For Saturday, the frontal boundary will continue to sag southward and we will be in between two surface low pressure systems that will move along the frontal boundary. Although we will be in between the two surface lows, southwest flow aloft will remain across the Mid- Atlantic region. Multiple short waves/vorticity impulses will move across the area within the southwest flow aloft, and with plenty of moisture across the area as evident of PW values of 1.5-2.0+ inches, there will remain chances of showers and thunderstorms. The rain chances are fairly small however, so Saturday may end up being a fairly dry day for many areas.
By Saturday night into Sunday, a stronger wave of low pressure is forecast to move along the stalled front, and pass near the area. The guidance still varies in respect to their placement of the actual low and the placement of the precipitation. There will be a chance of showers and thunderstorms for all areas, although southern portions of the area will be favored for heavier precipitation potential since they will be closer to the track of the low and have the higher PW values of over 2 inches.
Behind the low Sunday night, moisture will likely remain across the area, and patchy fog and drizzle may develop across portions of the area.
The low will track to the northeast and across New England Monday into Monday night, while a cold front approaches the area from the west. Rain chances lower some Monday into Monday night, although they will not disappear completely.
For Tuesday through Thursday, the front may stall to our south. Tuesday may be a mostly dry period as we will be lacking moisture and any short waves/vorticity impulses. This may change as we move into Wednesday and Thursday as several short waves/vorticity impulses will likely move across the area within the southwest flow aloft and combine with some enhanced moisture, leading to a chance of showers and thunderstorms for portions of the area.
AVIATION /07Z FRIDAY THROUGH TUESDAY/. The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas.
Today . Widespread MVFR/IFR conditions early this morning due to low clouds and fog. Conditions improving to VFR for this afternoon. Scattered showers with isolated thunder. Northeast wind 5 to 10 knots. Medium confidence.
Tonight . Mainly VFR. Northeast wind 5 to 10 knots. Medium to high confidence.
Outlook .
Saturday . Generally VFR conditions. Showers and thunderstorms possible in the afternoon may temporarily lower conditions. East winds 5-10 knots, with gusts 15-20 knots.
Saturday night-Sunday . An extended period of MVFR or IFR conditions possible. A chance of showers and thunderstorms, especially Saturday night into Sunday. East-northeast winds 5-10 knots, with gusts 15-20 knots.
Sunday night . MVFR or IFR conditions likely continue with fog and drizzle possible. East-northeast winds 5-10 knots, becoming light overnight.
Monday . MVFR conditions likely early, with possible improvement during the day. Chance of showers and thunderstorms. North winds early, become west-northwest during the day 5-10 knots.
Monday night . Generally VFR conditions. Winds become light and variable overnight.
Tuesday . VFR conditions expected. Northwest winds 5-10 knots.
MARINE. As low pressure drifts slowly northeastward off the Middle Atlantic coast today and tonight, a northeast wind is forecast to continue along the coasts of Delaware and New Jersey. Wind speeds are expected to increase to 15 to 20 knots, with some gusts to 25 knots on the coastal waters of New Jersey tonight. Wave heights on our ocean waters are anticipated to build to 4 to 5 feet for tonight. We will begin a Small Craft Advisory for the water off New Jersey at 10:00 PM this evening. Small Craft Advisory conditions are not expected on the waters off Delaware or on the waters of Delaware Bay until around daybreak on Saturday.
Outlook . Saturday-Saturday night . Small Craft Advisory in effect as seas are expected to build to at least 5-6 feet due to increasing easterly flow. Winds could gust 25-30 knots Saturday into Saturday night.
Sunday-Sunday night . Small Craft Advisory conditions likely continue as winds and waves remain elevated.
Monday-Tuesday . Conditions likely lower below advisory levels through the day Monday and remain below advisory conditions through Tuesday.
Rip currents .
There is a low risk for the development of dangerous rip currents today. However, the risk could become locally moderate as a northeast wind around 15 MPH develops. Breaking waves should be 2 to 3 feet with a medium period swell from the southeast.
A moderate risk is anticipated for Saturday. The northeast wind is forecast to increase to 15 to 20 MPH with gusts of 25 MPH. Breaking waves of 3 to 4 feet are expected with a short to medium period wind wave from the northeast.
TIDES/COASTAL FLOODING. Onshore flow will increase some Friday and especially Saturday and persist through Sunday. Astronomical tides will be increasing into the weekend as well as the new moon occurring early next week. These factors will combine to increase the chance for minor coastal flooding with the Saturday and Sunday afternoon/evening high tides. Spotty minor coastal flooding is possible with the afternoon and evening high tide on Saturday. Minor coastal flooding to advisory levels is then more likely with the Sunday afternoon and evening high tide, especially from Atlantic City southward including the Delaware Atlantic coast and up Delaware Bay.
PHI WATCHES/WARNINGS/ADVISORIES. PA . None. NJ . None. DE . None. MD . None. MARINE . Small Craft Advisory from 10 PM this evening to 6 AM EDT Sunday for ANZ450>453. Small Craft Advisory from 10 AM Saturday to 6 AM EDT Sunday for ANZ454-455.
Synopsis . Robertson Near Term . Iovino Short Term . Iovino Long Term . Robertson Aviation . Iovino/Robertson Marine . Iovino/Robertson Tides/Coastal Flooding . WFO PHI
Weather Reporting Stations
EDIT (on/off) Help NOTE: Click on distance to see the station location on a map| Stations | Dist | Age | Wind | Air Temp | Water Temp | Waves | Pressure | DewPt |
| BDSP1 | 0 mi | 51 min | 75°F | 1016.4 hPa | ||||
| PHBP1 - 8545240 - Philadelphia, PA | 5 mi | 51 min | 75°F | 1015.6 hPa | ||||
| BDRN4 - 8539094 - Burlington, Delaware River, NJ | 13 mi | 45 min | 75°F | 79°F | 1015.9 hPa | |||
| NBLP1 - 8548989 - Newbold, PA | 20 mi | 51 min | ENE 4.1 G 7 | 74°F | 1016.7 hPa | |||
| MRCP1 - 8540433 - Marcus Hook, PA | 21 mi | 51 min | 75°F | 1015.7 hPa | ||||
| DELD1 - 8551762 - Delaware City, DE | 39 mi | 51 min | SSW 1.9 G 7 | 76°F | 1015.7 hPa | |||
| RDYD1 - 8551910 - Reedy Point, DE | 39 mi | 51 min | 74°F | 1015.2 hPa | ||||
| JCRN4 - Jacques Cousteau Reserve, NJ | 45 mi | 51 min | NE 4.1 | 75°F | 1016 hPa | 74°F | ||
| SJSN4 - 8537121 - Ship John Shoal, NJ | 49 mi | 51 min | 75°F | 1015.8 hPa |
Wind History for Philadelphia, PA
(wind in knots) EDIT (on/off) Help| Last 24hr | ||||||||||||||||||||||||
| 1 day ago | ||||||||||||||||||||||||
| 2 days ago |
Airport Reports
EDIT (on/off) Help Click EDIT to display multiple airports. Follow links for more data.| Airport | Dist | Age | Wind kt | Visibility | Sky/Weather | Temp | DewPt | Humidity | Pressure |
| Philadelphia, Northeast Philadelphia Airport, PA | 8 mi | 27 min | NE 6 | 2.50 mi | Fog/Mist | 73°F | 73°F | 100% | 1016.7 hPa |
| Philadelphia, Philadelphia International Airport, PA | 11 mi | 27 min | NE 6 | 8.00 mi | Overcast | 75°F | 73°F | 94% | 1016.1 hPa |
| Mount Holly, South Jersey Regional Airport, NJ | 13 mi | 27 min | NNE 5 | 4.00 mi | Fog/Mist | 75°F | 73°F | 96% | 1016 hPa |
| Philadelphia - Wings Field Airport, PA | 15 mi | 26 min | NE 4 | 2.00 mi | Fog/Mist | 71°F | 70°F | 99% | 1016.9 hPa |
| Doylestown, Doylestown Airport, PA | 24 mi | 27 min | NNE 3 | 7.00 mi | Mostly Cloudy | 72°F | 69°F | 91% | 1016.4 hPa |
Link to 5 minute data for KPNE
Wind History from PNE (wind in knots)
| 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | |
| Last 24hr | Calm | NE | NE | E | E | E | NE | E | NE | NE | NE | E | Calm | Calm | NE | NE | NE | NE | NE | N | NE | NE | NE | |
| 1 day ago | Calm | Calm | Calm | W | Calm | E | E | E | Calm | Calm | SW | W | Calm | Calm | SE | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm | Calm |
| 2 days ago | SW | S | SW | SE | SE | SE | SW | S | S | S | Calm | S | SW | SW | SW | SW | N | Calm |
Tide / Current Tables for Bridesburg, Philadelphia, Pennsylvania
EDIT Weekend mode (on/off) (on/off) Help One Week of DataBridesburg
Click for Map
Fri -- 01:25 AM EDT Moonrise
Fri -- 05:40 AM EDT 0.63 feet Low Tide
Fri -- 06:11 AM EDT Sunrise
Fri -- 11:10 AM EDT 5.46 feet High Tide
Fri -- 04:43 PM EDT Moonset
Fri -- 05:42 PM EDT 0.48 feet Low Tide
Fri -- 07:57 PM EDT Sunset
Fri -- 11:32 PM EDT 6.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 01:25 AM EDT Moonrise
Fri -- 05:40 AM EDT 0.63 feet Low Tide
Fri -- 06:11 AM EDT Sunrise
Fri -- 11:10 AM EDT 5.46 feet High Tide
Fri -- 04:43 PM EDT Moonset
Fri -- 05:42 PM EDT 0.48 feet Low Tide
Fri -- 07:57 PM EDT Sunset
Fri -- 11:32 PM EDT 6.60 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| 5.7 | 4.7 | 3.6 | 2.5 | 1.6 | 0.9 | 0.7 | 1.7 | 3.2 | 4.2 | 5 | 5.4 | 5.2 | 4.2 | 3.1 | 2 | 1.2 | 0.7 | 0.5 | 1.5 | 3.3 | 4.9 | 5.8 | 6.5 |
Tide / Current Tables for Philadelphia, Pennsylvania Current
EDIT (on/off) Help One Week of DataPhiladelphia
Click for Map
Fri -- 01:26 AM EDT Moonrise
Fri -- 02:11 AM EDT -1.47 knots Max Ebb
Fri -- 06:10 AM EDT 0.00 knots Slack
Fri -- 06:11 AM EDT Sunrise
Fri -- 07:41 AM EDT 0.98 knots Max Flood
Fri -- 11:09 AM EDT -0.00 knots Slack
Fri -- 02:17 PM EDT -1.54 knots Max Ebb
Fri -- 04:43 PM EDT Moonset
Fri -- 06:05 PM EDT 0.00 knots Slack
Fri -- 07:53 PM EDT 1.43 knots Max Flood
Fri -- 07:57 PM EDT Sunset
Fri -- 11:31 PM EDT -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Click for Map
Fri -- 01:26 AM EDT Moonrise
Fri -- 02:11 AM EDT -1.47 knots Max Ebb
Fri -- 06:10 AM EDT 0.00 knots Slack
Fri -- 06:11 AM EDT Sunrise
Fri -- 07:41 AM EDT 0.98 knots Max Flood
Fri -- 11:09 AM EDT -0.00 knots Slack
Fri -- 02:17 PM EDT -1.54 knots Max Ebb
Fri -- 04:43 PM EDT Moonset
Fri -- 06:05 PM EDT 0.00 knots Slack
Fri -- 07:53 PM EDT 1.43 knots Max Flood
Fri -- 07:57 PM EDT Sunset
Fri -- 11:31 PM EDT -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
| 12 am | 1 am | 2 am | 3 am | 4 am | 5 am | 6 am | 7 am | 8 am | 9 am | 10 am | 11 am | 12 pm | 1 pm | 2 pm | 3 pm | 4 pm | 5 pm | 6 pm | 7 pm | 8 pm | 9 pm | 10 pm | 11 pm |
| -1.1 | -1.4 | -1.5 | -1.4 | -1.3 | -1.1 | -0.2 | 0.8 | 1 | 0.8 | 0.7 | 0.1 | -0.8 | -1.3 | -1.5 | -1.5 | -1.2 | -0.9 | -0.1 | 1 | 1.4 | 1.1 | 0.8 | 0.4 |
Weather Map
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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 Philadelphia/Mount Holly, PA (7,2,3,4)
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Ground Weather Radar Station Philadelphia, PA
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