Monday, September20, 2021
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Marine Weather and Tides
Goldsboro, PA

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 6:51AMSunset 7:08PM Monday September 20, 2021 2:06 AM EDT (06:06 UTC) Moonrise 6:24PMMoonset 5:15AM Illumination 98% Phase: Waxing Gibbous; Moon at 14 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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ANZ530 Chesapeake Bay North Of Pooles Island- 134 Am Edt Mon Sep 20 2021
.small craft advisory in effect from this afternoon through this evening...
Overnight..E winds 10 kt. Waves 1 ft.
Mon..E winds 10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft.
Mon night..E winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 ft.
Tue..E winds 5 to 10 kt. Waves 1 ft.
Tue night..SE winds 5 to 10 kt. Waves 1 ft.
Wed..SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely.
Wed night..SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers likely.
Thu..SW winds 5 to 10 kt...becoming nw after midnight. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight.
Fri..NW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers in the morning. Winds and waves higher and visibilities lower in and near tstms.
ANZ500 134 Am Edt Mon Sep 20 2021
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will move offshore today into Tuesday. A strong cold front will push through the region Wednesday into Thursday, bringing the chance for small craft advisory conditions. High pressure returns toward the end of the work week into the weekend.


7 Day Forecast for Marine Location Near Goldsboro , PA
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location: 40.12, -76.76     debug


Area Discussion for - State College, PA
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FXUS61 KCTP 200548 AFDCTP

Area Forecast Discussion National Weather Service State College PA 148 AM EDT Mon Sep 20 2021

SYNOPSIS. High pressure at the surface and aloft will result in low humidity and dry weather today. Clouds will increase on later tonight and Tuesday. By the middle of the upcoming week, a strong cold front and sharpening trough aloft will bring a widespread soaking rain to Pennsylvania. Following the frontal passage towards the end of the week, temperatures will be noticeably cooler for the first few days of fall.

NEAR TERM /UNTIL 9 AM THIS MORNING/. Fog is now filling the northern valleys and even a little just N of Harrisburg. Some lower clouds in nrn VA/WV will try to creep into the Laurels by morning. Made tweaks to temps/dewpoints based on current trends, but these resulted in little change to the going mins. Expect the fog to begin dissipating after 8 AM, but to linger through 10AM in the deepest of the valleys.

Prev . Surface high and associated dry air mass will ensure fair and cool conditions tonight. Mostly clear skies and a calm wind should result in patchy late night fog. The fog could be locally dense in the deep valleys north of I-80, where air/water temp diffs greater than 20F are anticipated.

Below normal pwats of only around 0.5 of an inch will support efficient radiational cooling with lows ranging from the upper 40s in the cooler valleys of northern Pa to the mid 50s across the southern counties.

SHORT TERM /9 AM THIS MORNING THROUGH 6 PM TUESDAY/. Sfc wind will veer around to the SE this morning. Some gusts into the mid teens are possible over the Alleghenies as vertical mixing deepens to nearly 4 kft AGL and the llvl pressure gradient tightens. Aside from some flat, fair weather pancake cu and a fair amount of cirrus aloft, it'll be a splendid late summer day. Any SHRA in the best moisture plume coming up into the OH Valley will stay to our west until later Tues - or later. Expect excellent vsby, low humidity and comfortable high temps in the 70s.

Marine/low clouds look to slide up from the S-SE as the flow turns that way due to the departure of the sfc high. These low clouds will thicken/expand starting late tonight and going thru the day Tues. The clouds will be thickest over the Ridge-and-Valley region/central mtns. There will probably be patchy drizzle where the orographic lift is best (windward slopes/ridges), but enough mixing could occur Tues to poke some holes. If there are breaks in the clouds, there could be a stray SHRA - mainly over the wrn mtns where the low clouds may not even arrive. Temps will be cool on Tues, despite a mild start under the cloud cover. Will undercut the National Blend a few degs for the maxes Tues eyeing the cloud cover and MOS guidance.

LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/. The trough will deepen over the midwest which will be the primary weather producer for the middle and end of the week. There remains significant model spread with the evolution of this feature. Some ensemble members cut off an upper low over the midwest, delaying the arrival of significant rain in central Pa until Thursday PM, while others are more progressive with upper trough, leading to the bulk of the rain falling Wednesday PM. In either case, strong upper level forcing, combined with a deep plume of tropical air and marginal instability suggest locally heavy downpours are possible. The ensemble situational awareness tables clearly target areas northwest of Pa for the heaviest rainfall. However, latest GEFS and ECENS plumes indicate locally heavy rain is also possible across central Pa in the Wed PM to Thu PM timeframe. Given wet ground, will have to monitor the potential of flooding.

Cool and mostly dry conditions appear very likely Friday into next weekend, as cold(occluded) shifts east of the state and upper level trough axis pivots through. There is decent consensus on a secondary cold front passage next Saturday, but lack of deep moisture suggest any showers should be relatively light.

AVIATION /06Z MONDAY THROUGH FRIDAY/. 6Z update . Areas of fog are already developing in the valleys in northern and central PA, and will continue to spread south across the valleys. Fog is possible at all terminals overnight, especially BFD and JST. MDT and LNS may see some patchy fog closer to sunrise, so I kept them VFR for now.

High clouds will be spilling over the area overnight and into the day Monday. VFR conditions expected after any fog burns off Monday.

Outlook .

Tues . PM SHRA/TSRA possible SW.

Wed & Thurs . Widespread SHRA/TSRA.

Friday . Mainly VFR. MVFR cigs possible with cu.

CLIMATE. Fall Equinox 2021 will be at 3:20 PM (1920 UTC) on Wednesday, September 22.

CTP WATCHES/WARNINGS/ADVISORIES. None.

SYNOPSIS . Dangelo NEAR TERM . Fitzgerald/Dangelo SHORT TERM . Lambert/Fitzgerald LONG TERM . Fitzgerald/Gutierrez AVIATION . Wagner CLIMATE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BLTM2 - 8574680 - Baltimore, MD 60 mi49 min SW 2.9 G 6 69°F 79°F1023.5 hPa
FSKM2 - 8574728 - Francis Scott Key Bridge, MD 63 mi49 min SSE 7 G 8.9 70°F 1023.7 hPa
CHCM2 - 8573927 - Chesapeake City, MD 65 mi55 min NW 1 G 1.9 62°F 77°F1024.4 hPa

Wind History for Baltimore, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Harrisburg, Harrisburg International Airport, PA6 mi71 minN 010.00 miA Few Clouds61°F55°F81%1023.7 hPa
Harrisburg, Capital City Airport, PA9 mi71 minN 010.00 miFair60°F56°F86%1024 hPa
York, York Airport, PA15 mi74 minN 010.00 miFair55°F53°F93%1024.1 hPa
Muir Army Air Field / Indiantown, PA24 mi71 minN 010.00 miFair54°F52°F91%1024.5 hPa
Lancaster, Lancaster Airport, PA24 mi74 minN 010.00 miFair58°F54°F87%1024.2 hPa

Link to 5 minute data for KMDT

Wind History from MDT (wind in knots)
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Last 24hrCalm3N5N7N3CalmNW33N6NE63Calm43NE6CalmCalmNE3CalmCalmCalmCalmNE3Calm
1 day agoCalmCalmCalmCalmCalmCalmCalmCalmS3CalmCalmW7W10NW6NW9N74CalmCalmCalmCalmNE3CalmCalm
2 days agoNE5E3E4NE3NE4E3N3CalmE4E5E8E6S6NE7E8NE6E4NE4E3E3CalmCalmCalmCalm

Tide / Current Tables for Port Deposit, Susquehanna River, Maryland
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Port Deposit
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Mon -- 05:42 AM EDT     0.78 feet Low Tide
Mon -- 06:12 AM EDT     Moonset
Mon -- 06:50 AM EDT     Sunrise
Mon -- 11:03 AM EDT     3.46 feet High Tide
Mon -- 06:40 PM EDT     0.97 feet Low Tide
Mon -- 07:04 PM EDT     Sunset
Mon -- 07:21 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 11:15 PM EDT     3.04 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.62.31.81.41.10.80.81.11.82.63.23.53.43.12.72.21.71.3111.422.73

Tide / Current Tables for Havre de Grace, Susquehanna River, Maryland
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Havre de Grace
Click for Map
Mon -- 04:12 AM EDT     0.26 feet Low Tide
Mon -- 06:12 AM EDT     Moonset
Mon -- 06:50 AM EDT     Sunrise
Mon -- 09:59 AM EDT     2.46 feet High Tide
Mon -- 04:54 PM EDT     0.25 feet Low Tide
Mon -- 07:04 PM EDT     Sunset
Mon -- 07:21 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 10:29 PM EDT     2.32 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.71.30.90.50.30.40.81.31.92.32.52.32.11.71.20.70.40.30.40.91.522.32.3

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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