Sunday, December15, 2019
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Marine Weather and Tides
Whitehaven, MD

Version 3.4
NOTICE
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.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:10AMSunset 4:44PM Sunday December 15, 2019 2:04 PM EST (19:04 UTC) Moonrise 8:23PMMoonset 10:16AM Illumination 83% Phase: Waning Gibbous; Moon at 19 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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ANZ543 Tangier Sound And The Inland Waters Surrounding Bloodsworth Island- 1240 Pm Est Sun Dec 15 2019
.small craft advisory in effect until 2 pm est this afternoon...
This afternoon..W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Tonight..NE winds 5 to 10 kt. Waves 1 ft.
Mon..SE winds 5 to 10 kt. Waves 1 ft. A chance of rain.
Mon night..S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of rain.
Tue..SW winds 10 to 15 kt...becoming W in the afternoon. Gusts up to 25 kt. Waves 2 ft. Numerous showers.
Tue night..NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
Wed..NW winds 15 to 20 kt. Waves 2 to 3 ft.
Thu..NW winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft.
ANZ500 1240 Pm Est Sun Dec 15 2019
Synopsis for the tidal potomac and md portion of the chesapeake bay.. High pressure will briefly build overhead today before low pressure impacts the area Monday. The cold front associated with this low will pass through Tuesday. Small craft advisories likely will be required Tuesday into Wednesday.


7 Day Forecast for Marine Location Near Whitehaven, MD
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location: 38.27, -75.79     debug


Area Discussion for - Wakefield, VA
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FXUS61 KAKQ 151813 AFDAKQ

AREA FORECAST DISCUSSION National Weather Service Wakefield VA 113 PM EST Sun Dec 15 2019

SYNOPSIS. High pressure rebuilds over the local area through today before the next system impacts the region Monday and Tuesday.

NEAR TERM /THROUGH TONIGHT/. As of 330 AM EST Sunday..

Weak high pressure builds across the southeastern United States today, with downslope flow aloft allowing for mostly sunny and dry conditions w/high temperatures in the 50s. Surface high pressure traverses the local area Sunday night, then moves well offshore on Monday. Lows tonight are expected to drop into generally the low to mid 30s, minus the SE where temps will be in the 40s.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/. As of 330 AM EST Sunday .

The forecast becomes a little more complex for Monday as the cold front enters the region and then hangs up across the area as a stationary front. Biggest question will be where exactly this boundary decides to hang up, which will have large impacts on both temperatures and precip Monday into Tuesday. For now, have sided most with the 00z ECMWF which has the boundary sagging south to around the Tri-Cities region Monday evening before slowly lifting back to the north Monday night and Tuesday, making it close to the northern CWA border. 00z GFS seems a little too ambitious, lifting the boundary well north of the area by Tuesday, while the 00z NAM has the boundary dipping close to the VA/NC border. Temperatures will vary widely from north to south during the day Monday, with temperatures across the NW only reaching the lower 40s, while temperatures across the SE likely climb into the lower to mid 60s. Precipitation-wise, the highest chances will be along and north of the boundary (highest across the northern 2/3rds of the area) during the day Monday. Precipitation may start off as a mix of rain and snow across far northern locations of the VA Piedmont and MD Eastern Shore, right now am not expecting much in the way of any accumulation, but this will have to be monitored closely through future shifts. Any wintry precip turns to rain by mid-morning Monday.

On Monday night, the boundary will make a slow progression back to the north as a warm front as low pressure moves NE from the Tennessee Valley to the Mid-Atlantic. Thus, temperatures Monday night likely stay steady or climb. Generally have lows ranging from around 40 across the NW to the mid/upper 50s across the south. Rain chances increase from the west through the night as the associated cold front approaches the area. The cold front then crosses the area during the day Tuesday and exits off the coast during the evening/overnight hours. Likely PoPs will move from W to E ahead of the front, coming to an end Tuesday evening/overnight. This system produces more beneficial rainfall with QPF generally in the 0.50" to 1" range. Similar to Monday, temperatures will vary from N to S across the area on Tuesday and will be highly dependent on how far north the warm frontal boundary reaches Tuesday. Right now, have highs ranging from the mid to upper 50s north to near 70 across the far S. Higher uncertainty remains in the temp forecast across the northern half of the region.

Conditions improve Tuesday night with drying behind the frontal passage and high pressure building back into the region. Expect clearing from NW to SE through the night with lows dipping into the upper 20s NW to around 40 across the SE.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. As of 400 PM EST Saturday .

Cold front will be moving offshore Tuesday night with drying conditions and falling temperatures behind the front. Wednesday morning low temperatures will drop to the upper 20s west of I-95 and upper 30s along the coast. An upper level low pressure will track southeast out of Canada and across the Northeast US Wednesday. This will bring a reinforcing shot of colder air into the region. High temperatures Wednesday will range from near 40 across central VA and MD Eastern Shore to mid 40s across Hampton Roads and northeast NC. Low temperatures Thursday morning will be in the low 20s (upper 20s at the VA/NC beaches).

A cold high pressure system will settle across the region Thursday with high temperatures ranging from mid 30s north to mid 40 south. Friday will remain dry as well with slightly warmer temperatures as the sfc high pressure over the area begins to weaken, with high temperatures in the mid to upper 40s and low temperatures in the mid-upper 20s.

AVIATION /18Z SUNDAY THROUGH FRIDAY/. As of 115 PM EST Sunday .

VFR conditions are expected through the majority of the 18z TAF period. RIC and SBY have a chance at briefly reaching MVFR conditions after 15z Monday due to cloud bases around 2500 feet. W winds 10-15 kt with gusts to 20 kt will weaken and become light and variable at around 3 kt overnight. Higher clouds will increase by Monday morning and continue through the TAF period.

OUTLOOK . SBY has the potential to see light showers and MVFR conditions Monday night but otherwise VFR conditions expected with overcast skies. Tuesday has the potential for degraded flight conditions due to low clouds and rain across all airports ahead of a cold front which passes through the region Tuesday evening. High pressure builds Wednesday with VFR conditions returning.

MARINE. As of 700 AM EST Sunday .

Strong low pressure is centered over srn QB early this morning, with high pressure extending from the mid-Mississippi Valley through the Southeast. This pressure gradient is resulting in a W wind of 15-20kt for much of the area, with 15kt or less for the Rappahannock/York/upper James. Seas are subsiding now that the wind is offshore, and range from 4-5ft S to 5-6ft N, with 2-3ft waves in the Bay. The wind should remain W 15-20kt through midday, and then diminish this aftn as high pressure builds in from the W. Seas will continue to subside as well. SCA flags have been lowered for the Sound, Lower James, and coastal Atlantic S of Cape Charles as wind and/or seas have dropped below criteria. SCAs for the Bay continue through 1 pm, ocean from Cape Charles to Parramore Is. through 1 pm, and the ocean N of Parramore Is. through 7 pm.

High pressure slides off the Southeast coast tonight with a backdoor cold front dropping in from the N. This front settles over the area Monday as low pressure approaches from the WSW. There is considerable spread amongst the model guidance with respect to how far S the boundary pushes, and then retreats to the N Monday night into Tuesday. In general, an ENE wind of 5-10kt is expected N of the boundary, with a 10-15kt SSW wind S of the boundary. Seas should be 2-3ft while the boundary is over the area, with 1-2ft waves in the Bay. By Tuesday aftn, a SW wind could increase to 15-20kt for the lower Bay and ocean, which would allow for 3-4ft seas and 2-3ft waves in the lower Bay. A cold front is expected to cross the coast Tuesday evening, with modest CAA occurring by Tuesday night with a NNW wind increasing to 20-25kt. A secondary cold front and another round of CAA are expected by Wednesday night a NNW wind again increasing to 20-25kt. SCAs are likely Tuesday night through early Thursday, with perhaps a lull during the day Wednesday. High pressure returns Thursday into Friday.

AKQ WATCHES/WARNINGS/ADVISORIES. MD . None. NC . None. VA . None. MARINE . Small Craft Advisory until 1 PM EST this afternoon for ANZ630>632-634-654. Small Craft Advisory until 7 PM EST this evening for ANZ650- 652.

SYNOPSIS . AJB NEAR TERM . AJB SHORT TERM . AJB LONG TERM . CP AVIATION . RMM MARINE . AJZ


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
BISM2 - 8571421 - Bishops Head, MD 14 mi58 min WSW 8.9 G 9.9 48°F 46°F1014.9 hPa
CA2 - 8571892 - Cambridge, MD 26 mi58 min W 7 G 11 52°F 44°F1014.2 hPa
44042 - Potomac, MD 33 mi28 min SW 16 G 16 50°F 46°F1015.4 hPa
SLIM2 - 8577330 - Solomons Island, MD 35 mi46 min W 12 G 18 52°F 46°F1014.3 hPa
OCIM2 - 8570283 - Ocean City Inlet, MD 37 mi58 min WNW 19 G 25 52°F 48°F1014.5 hPa
OCSM2 38 mi184 min 3 ft
44062 - Gooses Reef, MD 39 mi34 min WNW 7.8 G 9.7 50°F 1015.5 hPa
PPTM2 - 8578240 - Piney Point, MD 40 mi46 min WNW 11 G 20
LWTV2 - 8635750 - Lewisetta, VA 41 mi58 min W 16 G 19 53°F 44°F1015.3 hPa
44089 43 mi64 min 50°F4 ft
WAHV2 - 8631044 - Wachapreague, VA 46 mi46 min WNW 2.9 G 13 56°F 49°F1015.1 hPa

Wind History for Bishops Head, MD
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salisbury, Salisbury-Ocean City Wicomico County Regional Airport, MD16 mi70 minW 1510.00 miFair53°F35°F51%1014.3 hPa
Cambridge-Dorchester Airport, MD23 mi69 minVar 5 G 1410.00 miFair54°F35°F51%1014.2 hPa

Link to 5 minute data for KSBY

Wind History from SBY (wind in knots)
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1 day agoNE6NE6NE6NE8NE7N4N4N6NE5NE4E4CalmCalmCalmCalmCalmW4CalmCalmSW8S14SW13
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2 days agoE8E6NE4NE6N4CalmNE6E4E5CalmCalmE3E4CalmCalmCalmNW5CalmCalmE8E8SE7E6E5

Tide / Current Tables for Whitehaven, Wicomico River, Chesapeake Bay, Maryland
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Whitehaven
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Sun -- 04:14 AM EST     2.25 feet High Tide
Sun -- 07:12 AM EST     Sunrise
Sun -- 10:15 AM EST     Moonset
Sun -- 10:27 AM EST     -0.14 feet Low Tide
Sun -- 04:35 PM EST     2.84 feet High Tide
Sun -- 04:43 PM EST     Sunset
Sun -- 08:23 PM EST     Moonrise
Sun -- 11:23 PM EST     -0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.20.81.422.22.21.81.30.70.2-0.1-0.10.30.91.72.42.82.82.521.30.70.2-0.1

Tide / Current Tables for Salisbury, Maryland (2 miles below) Current
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Salisbury
Click for Map
Sun -- 02:07 AM EST     0.52 knots Max Flood
Sun -- 04:57 AM EST     -0.00 knots Slack
Sun -- 07:12 AM EST     Sunrise
Sun -- 08:15 AM EST     -0.98 knots Max Ebb
Sun -- 10:15 AM EST     Moonset
Sun -- 11:21 AM EST     0.00 knots Slack
Sun -- 02:14 PM EST     0.78 knots Max Flood
Sun -- 04:43 PM EST     Sunset
Sun -- 05:52 PM EST     -0.00 knots Slack
Sun -- 08:22 PM EST     Moonrise
Sun -- 09:03 PM EST     -0.92 knots Max Ebb
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.10.40.50.50.3-0-0.4-0.8-1-0.9-0.6-0.20.30.60.80.70.60.3-0-0.4-0.8-0.9-0.8-0.6

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.
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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wakefield, VA (14,3,4,5)
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Ground Weather Radar Station Dover AFB, DE
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