Monday, August20, 2018 L-36.com


Marine Weather and Tides
Portsmouth, VA

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Sunrise 6:26AMSunset 7:51PM Monday August 20, 2018 10:59 AM EDT (14:59 UTC) Moonrise 2:56PMMoonset 12:22AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 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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ANZ632 Chesapeake Bay From New Point Comfort To Little Creek Va- 1036 Am Edt Mon Aug 20 2018
Rest of today..E winds 5 to 10 kt. Waves around 2 ft. A slight chance of showers and tstms.
Tonight..E winds 10 to 15 kt, becoming se 5 to 10 kt in the late evening and early morning, then becoming S late. Waves 1 to 2 ft.
Tue..S winds 5 to 10 kt, increasing to 10 to 15 kt late. Waves 1 to 2 ft. A chance of showers. A chance of tstms in the afternoon.
Tue night..SW winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers and tstms.
Wed..W winds 10 to 15 kt. Waves 2 to 3 ft, subsiding to 1 foot late. A chance of showers. A chance of tstms in the afternoon.
Wed night..NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Waves 2 to 3 ft. A chance of showers and tstms.
Thu..N winds 10 to 15 kt. Waves 2 to 3 ft.
Thu night..NE winds 5 to 10 kt. Waves 1 to 2 ft.
Fri..NE winds 5 to 10 kt. Waves 1 to 2 ft.
Fri night..E winds 5 to 10 kt. Waves 1 foot. Winds and waves higher in and near tstms.
ANZ652 Coastal Waters From Chincoteague To Parramore Island Va Out 20 Nm- 1036 Am Edt Mon Aug 20 2018
Rest of today..E winds 5 to 10 kt. Seas 3 to 4 ft. Mainly S swell with a dominant period of 7 seconds. A slight chance of tstms late this morning and early afternoon. A slight chance of showers.
Tonight..E winds 10 kt, becoming se late. Seas 3 to 4 ft. Mainly S swell with a dominant period of 7 seconds.
Tue..S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft with a dominant period of 8 seconds. A chance of showers and tstms in the afternoon.
Tue night..SW winds 15 to 20 kt. Seas 4 to 5 ft with a dominant period of 6 seconds. Showers and tstms likely.
Wed..SW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 4 to 5 ft. A chance of showers. A chance of tstms in the afternoon.
Wed night..NW winds 5 to 10 kt, becoming N 10 to 15 kt after midnight. Seas 3 to 4 ft. A chance of showers and tstms in the evening.
Thu..N winds 10 to 15 kt. Seas around 3 ft.
Thu night..N winds 5 to 10 kt. Seas 2 to 3 ft.
Fri..NE winds 5 to 10 kt. Seas 2 to 3 ft.
Fri night..E winds 5 to 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.


7 Day Forecast for Portsmouth, VA
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location: 36.929, -76.345     debug


7 Day Forecast for Chincoteague, VA
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location: 37.834, -75.409     


Area Discussion for - Wakefield, VA
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Fxus61 kakq 201435
afdakq
area forecast discussion
national weather service wakefield va
1035 am edt Mon aug 20 2018

Synopsis
A frontal boundary will remain nearly stationary near the
virginia, north carolina border into tonight, then lifts back
north and across the area as a warm front during Tuesday. A
stronger cold front will cross the region Wednesday into
Wednesday night.

Near term until 6 pm this evening
As of 1035 am edt Monday...

weak S W has exited the (se va NE nc) coast taking much of the
convection from earlier this morning out over the ocean. Frontal
boundary lingers over the local area... Generally from near the
mouth of the ches bay on W to far NW nc. Expecting vrb clouds-
partly sunny the rest of the day. Some stability in the wake of
that S W maintains limited convective development into this
afternoon. Appears that best area of tstms this afternoon will
be along-s of the va-nc border (into possibly far SE va). Have
held pops to 20-40% over the fa. Temperatures tricky W onshore
winds near-nnw of that frontal boundary... Sse to the s. Highs
80-85f N and central areas... M80s S and se.

Short term 6 pm this evening through Wednesday
As of 425 am edt Monday...

the front will lift back nwd and across the region as a warm
front during tue. This will occur as stronger surface low
pressure organizes in the upper midwest, and moves NE across the
great lakes by Tue evening. Chances for showers tstms will
increase again over the entire region during tue. Highs on tue
will mainly be in the mid 80s.

A cold front approaches from the NW Tue night, and pushes across
the region Wed into Wed night. The primary moisture plume will
be pushed offshore, and pops will be lower (20-40%) with the
frontal passage wed. Lows Tue night will be in the lower to mid
70s followed by highs on Wed in the mid to upper 80s.

Long term Wednesday night through Sunday
As of 400 pm edt Sunday...

drier and much cooler weather settles in Thursday, with only
slight chance pops remaining across nc through mid-morning. 1024
mb high moves east over the mid-atlantic Thu pm thru mon. 850mb
temps in the +9 to +11 degc range spell out quite the cool
down, with surface temps staying in the low 80s thu, low-mid 80s
fri, and warming into the mid-upper 80s through the weekend.

The only portion of our area with marginal rain chances fri-sat
will be in NE nc, where ridging will be slightly weaker. 12z gfs
wants to break down high pressure quicker, allowing for a few
showers over nc SE va on Sunday... Consider that solution tbd.

Otherwise, dew points will be lower late week into the weekend,
helping to make sensible weather more pleasant. Outdoor plans should
fare well for the most part late week through the weekend, and into
the start of next week.

Aviation 14z Monday through Friday
As of 330 am edt Monday...

unsettled conditions will continue across the region the next
couple of days, as a frontal boundary remains nearly stationary
near the va nc border today into tonight, then lifts back north
and across the area as a warm front during tue. This will result
in continued chances for showers and tstms at all TAF sites,
along with MVFR ifr conditions due to the moist airmass and any
heavier showers or stronger tstms.

Outlook... Chances for showers tstms and lower CIGS vsbys will
continue Tue night into Wed evening, as the warm front lifts
well north of the region, and a prefrontal trough followed by a
cold front pushes into and across the region. High pressure
builds into the area for Thu into next weekend.

Marine
As of 330 am edt Monday...

this Monday morning winds were generally E to NE across the bay
and waters as a weak frontal boundary was sagging south into ne
nc. The front will stall over NE nc this morning, before coming
back northward as a warm front late tonight and Tuesday. Winds
remain generally NE to E behind the front generally around 10 kt
though there could be times where winds gust up to 15 kt.

Appears strongest winds, remain mainly in the 12-16 kt range,
across the northern and central portions of the bay, and the
northern half of the coastal waters. However, winds waves seas
should remain below SCA criteria. An easterly swell was sowing
up at buoys from chincoteague north to fenwick island with seas
building to 3 to 4 ft despite relatively light winds of 10 kt.

This swell will persist and may push a little farther south of
just offshore of CAPE charles and CAPE henry later today.

Winds are expected to decrease for a time Monday night early
Tuesday as warm front lifts northward, then increase
significantly from the south Tuesday afternoon night ahead of
stronger cold front approaching the area from the west. Winds
increase aloft and with mixing expect winds to be a bit gusty at
times Tuesday. Winds persist Tuesday night. If models remain
consistent, SCA will likely be needed in the 00z Tuesday into a
portion of Wednesday. A stronger cold front moves late Wednesday
with a winds shift from S and SW to NW and N in the evening.

Model cold advection suggest winds are underdone in the models
behind the front, and would anticipate a period of SCA winds on
the bay in the Wednesday night Thursday time frame in the
northerly flow.

Akq watches warnings advisories
Md... None.

Nc... None.

Va... None.

Marine... None.

Synopsis... Alb tmg
near term... Alb
short term... Ajz tmg
long term... Bms
aviation... Tmg
marine... Jao


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SWPV2 - 8638610 - Sewells Point, VA 1 mi41 min 82°F
CRYV2 - 8638595 - South Craney Island, VA 3 mi47 min S 2.9 G 6 77°F 1016.9 hPa
WDSV2 - 8638614 - Willoughby Deguassing , VA 4 mi59 min SSE 5.1 G 8 75°F 1016.3 hPa (+0.9)
DOMV2 - 8638511 - Dominion Terminal Association, VA 5 mi53 min S 6 G 8 75°F 1017.5 hPa
MNPV2 - 8639348 - Money Point, VA 11 mi41 min SSW 2.9 G 5.1 75°F 83°F1016.7 hPa
44087 12 mi89 min 79°F2 ft
44064 14 mi39 min SSE 7.8 G 9.7 74°F 1016.9 hPa
CHBV2 16 mi59 min S 6 G 8.9 75°F 1016.3 hPa (+0.8)
CHYV2 - 8638999 - Cape Henry, VA 18 mi41 min SSE 2.9 G 5.1 75°F 1015.4 hPa
44072 19 mi39 min ESE 9.7 G 12 78°F
YKRV2 - 8637611 - York River East Rear Range Light, VA 22 mi41 min E 9.9 G 11 79°F 1018 hPa
YKTV2 - 8637689 - Yorktown, VA 22 mi41 min ENE 13 G 16 79°F 83°F1017.1 hPa
KPTV2 - 8632200 - Kiptopeke, VA 25 mi53 min S 5.1 G 7 75°F
44099 - Cape Henry, VA (147) 33 mi89 min 79°F3 ft
YRSV2 - Chesapeake Bay,VA 39 mi89 min NE 1 80°F 1019 hPa76°F
WAHV2 - 8631044 - Wachapreague, VA 59 mi53 min NNE 8.9 G 12 76°F 81°F1017.7 hPa
44014 - VIRGINIA BEACH 64 NM East of Virginia Beach, VA 83 mi69 min SSW 12 G 14 77°F 81°F4 ft1018.3 hPa (+2.0)72°F

Wind History for South Craney Island, VA
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Norfolk, Naval Air Station, VA3 mi2 hrsS 410.00 miOvercast73°F70°F90%1017.3 hPa
Norfolk, Norfolk International Airport, VA8 mi68 minS 610.00 miFair75°F72°F90%1016.7 hPa
Langley Air Force Base, VA11 mi63 minE 48.00 miMostly Cloudy78°F75°F91%1017.6 hPa
Newport News, Newport News / Williamsburg International Airport, VA17 mi65 minENE 910.00 miMostly Cloudy80°F75°F85%1017 hPa
Virginia Beach, Oceana, Naval Air Station, VA18 mi63 minSSE 410.00 miMostly Cloudy73°F46°F38%1016.8 hPa
Chesapeake, Chesapeake Municipal Airport, VA19 mi64 minN 010.00 miFair74°F70°F90%1016.9 hPa
Fort Eustis / Felker, VA21 mi2.1 hrsENE 410.00 miMostly Cloudy77°F74°F90%1016.9 hPa
Suffolk, Suffolk Municipal Airport, VA22 mi84 minSSE 510.00 miMostly Cloudy76°F72°F89%1017.6 hPa

Wind History from NGU (wind in knots)
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Last 24hr6W7W75N7N6NE6E7SE4S3SE4E3E6NE4SE5E6E5E7NE8NE12SE6SE4S44
1 day agoSW10
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SW10
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--SW10
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W10W9W9NW16
G28
W12SW7CalmSW7SW5SW3S6SW9SW9SW7W4SW6SW6W8W8W7
2 days ago5S7SW6SW7SW8SW10SW7SW9SW8SW6SW6S7SW7
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SW7SW8SW8SW9SW8SW9SW11SW12
G18

Tide / Current Tables for Sewells Point, Hampton Roads, Virginia
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Sewells Point
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Mon -- 01:22 AM EDT     Moonset
Mon -- 05:14 AM EDT     2.19 feet High Tide
Mon -- 06:26 AM EDT     Sunrise
Mon -- 11:17 AM EDT     0.48 feet Low Tide
Mon -- 03:55 PM EDT     Moonrise
Mon -- 05:52 PM EDT     2.68 feet High Tide
Mon -- 07:50 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.91.31.722.22.11.91.510.70.50.50.81.31.82.32.62.72.52.21.71.20.8

Tide / Current Tables for Chesapeake Bay Entrance, Virginia Current
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Chesapeake Bay Entrance
Click for Map
Mon -- 01:21 AM EDT     Moonset
Mon -- 02:21 AM EDT     0.00 knots Slack
Mon -- 04:29 AM EDT     0.37 knots Max Flood
Mon -- 06:24 AM EDT     Sunrise
Mon -- 07:08 AM EDT     -0.00 knots Slack
Mon -- 11:11 AM EDT     -1.01 knots Max Ebb
Mon -- 02:21 PM EDT     0.00 knots Slack
Mon -- 03:54 PM EDT     Moonrise
Mon -- 05:17 PM EDT     0.68 knots Max Flood
Mon -- 07:49 PM EDT     Sunset
Mon -- 08:37 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.9-0.5-0.10.20.40.40.30-0.3-0.6-0.9-1-0.9-0.6-0.20.30.60.70.70.50.2-0.1-0.5-0.8

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Mid-Atlantic    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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Wind Forecast for Wakefield, VA (10,2,3,4)
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Ground Weather Radar Station Wakefield, VA
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Disclaimer:
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 numerious 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.