Friday, August23, 2019 L-36.com


Marine Weather and Tides
Pawleys Island, SC

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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 6:42AMSunset 7:54PM Friday August 23, 2019 2:46 AM EDT (06:46 UTC) Moonrise 11:43PMMoonset 12:57PM Illumination 48% Phase: Third Quarter Moon; Moon at 22 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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AMZ256 Coastal Waters From Murrells Inlet To South Santee River Sc Out 20 Nm- 1203 Am Edt Fri Aug 23 2019
Rest of tonight..SW winds 10 to 15 kt. Seas 3 ft.
Fri..SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms.
Fri night..SW winds 10 to 15 kt. Seas 2 to 3 ft. A slight chance of showers and tstms in the evening, then a chance of showers and tstms after midnight.
Sat..SW winds 10 kt, becoming se in the afternoon. Seas 2 ft. Showers and tstms likely.
Sat night..E winds 10 kt. Seas 2 ft. Showers and tstms likely.
Sun..NE winds 10 to 15 kt. Seas 2 to 3 ft. Showers and tstms likely through the day, then a chance of showers and tstms through the night.
Mon..NE winds 10 to 15 kt, diminishing to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Tue..E winds 10 kt, becoming s. Seas 2 ft. A chance of showers and tstms. Winds and seas higher in and near tstms.
AMZ200 1203 Am Edt Fri Aug 23 2019
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Bermuda high pressure will remain offshore through today. A cold front will drop southward into the area Saturday before stalling just offshore Sunday and Monday. Meanwhile, some slow tropical development is possible with a system expected to move ne from the bahamas and florida Sunday. Mariners should Monitor the forecast closely for potential changes.


7 Day Forecast for Marine Location Near Pawleys Island, SC
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location: 33.45, -79.11     debug


Area Discussion for - Wilmington, NC
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Fxus62 kilm 230536
afdilm
area forecast discussion
national weather service wilmington nc
136 am edt Fri aug 23 2019

Synopsis
Scattered thunderstorms will become more numerous this weekend
as a front stalls in the area. The front will linger offshore
early next week, with a potential for unsettled weather. A
tropical low may track north along the front and pass offshore
early next week, maintaining a chance of significant rain.

Near term through tonight
Very mild lows early this morning compared to climate 74-76
inland 77-79 near the coast into daybreak Friday. After rainfall
today, and lighter nocturnal wind inland, patches of fog may
develop after 3 am, near river basins another prone area.

Widespread coverage is not expected.

Friday starts out with dry weather, with a trend then later in
the day toward wetter conditions from north to south as a
frontal boundary approaches from the north and mid-level energy
increases in the weakly cyclonic flow aloft. Note that guidance
may likely again be over-doing precip during the daytime hours,
with the better chances of rain holding off until the evening
and nighttime hours (50-70% pops northern half of area). Held
pops to mainly 30-40% during the day with the best moisture and
lift still off to the north. No severe weather or flooding
anticipated. High temps will range from the mid 80s right at the
coast to low 90s inland, with heat indices peaking around 100.

Short term Saturday through Sunday night
Cold front moving into the area early Sat will briefly stall in the
region, before shifting just offshore Sun and Sun night. Shallow 5h
trough pushing the front into the area slides off the new england
coast Sat into sun, the trough leave the front laying under
progressive mid-level flow. Front slowly sags south Sun into sun
night as surface and mid-level high build in from the north. Deep
moisture, convergence, dewpoints in the low to mid 70s and diurnal
heating, in spite of cloud cover, will all lead to widespread
coverage of showers and thunderstorms Sat and Sat night. Although
the front shifts off the coast early sun, widespread showers and
thunderstorms will continue sun. Weak wave along the front coupled
with abundance of deep moisture will once again yield plenty of
showers, although thunderstorms may be a little more isolated in
nature. Storm motion both days, but especially sun, and deep warm
cloud layer do suggest at least some potential for flood threat with
any persistent storms that develop. Rainfall chances decrease sun
night as the wave starts slowly moving northeast, weakening dynamics
and upward motion. Hard to say for sure. Highs will run below climo
sat and Sun with lows running a little above climo both nights.

Long term Monday through Thursday
Front lingers offshore through the middle of next week. Despite low
level northeast flow and mid-level westerly flow, moisture aloft
remains plentiful. Shower and thunderstorm chances will be highest
mon as wave low moves up the coast. Medium range guidance continues
to show a low passing off the coast tue, however the nature and
strength of this low remains in questions. At this point tropical or
subtropical impacts seem unlikely given its limited strength and
track. More seasonable conditions Tue through Thu with diurnal
convection along the piedmont trough and sea breeze each day.

-low confidence concerning wave low passing off the coast next
week.

-potential for localized flooding Mon with storm motion under 5
kt and deep warm cloud layer.

-typical summer time afternoon evening showers and
thunderstorms Tue through thu
-below climo highs on mon, running slightly above climo tue
through thu. Lows above climo.

Aviation 06z Friday through Tuesday
PredominantlyVFR conditions continue today. Any fog this
morning should be limited given continued SW winds. Expect
scattered cumulus clouds around 5kft with diurnal heating this
afternoon along with a chance of showers tstms, especially
terminals away from the coast. Showers tstms will be capable of
producing brief MVFR ifr. Rain chances begin to inrease late
tonight as cold front begins to move into region.

Extended... Unsettled weather with MVFR ifr possible into
Saturday with frontal system in area. Front will likely move
just off the coast into Sunday but lingering moisture likely to
lead to additional restrictions. Also watching potential
tropical system moving NE just off the coast into early next
week. Confidence low on related specifics at this time.

Marine
No headlines necessary with this forecast package as bermuda high
pressure remains offshore and a cold front slowly approaches from
the north. Expect S SW winds of 10-15 kt through Friday night, up to
15-20 kt during the afternoon early evening hours. Seas 2-3 ft,
mainly consisting of a 4-5 second ssw 2-3 ft wind wave and a 10
second SE 1-2 ft swell.

Light and variable wind field Sat into Sun as front moves into the
area then briefly stalls. Front does push south and east of the
waters early Sun with northeast flow developing as high builds in
from the north. Wave moving up the stalled boundary has potential to
enhance wind field next week, although confidence is low. Northeast
flow Sun night through Mon night will be 10 to 15 kt. Wave low exits
by Tue with weak southerly flow developing across the waters. Seas 2
ft or less Sat into Sun will start building as northeast flow
increases. Southerly swell around 10 seconds Sat takes a back seat
to developing 3 ft northeast wind wave around 5 seconds later sun
which will persist through tue.

Ilm watches warnings advisories
Sc... None.

Nc... None.

Marine... None.

Synopsis... Ilm
near term... 08 mas mcw
short term... Iii
long term... Iii
aviation... Mcw
marine... Iii mas


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NIWS1 - North Inlet-Winyah Bay Reserve, SC 8 mi62 min WSW 4.1 82°F 1017 hPa79°F
MROS1 - 8661070 - Springmaid Pier, SC 18 mi53 min 82°F
41024 - Sunset Nearshore (SUN 2) 43 mi39 min SSW 16 G 25 82°F 84°F1016.8 hPa
41119 43 mi57 min 84°F3 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Georgetown County Airport , SC15 mi4.5 hrsS 310.00 miFair79°F73°F84%1017.9 hPa
Myrtle Beach Air Force Base, SC19 mi1.8 hrsSSW 710.00 miFair81°F75°F85%1017.5 hPa

Link to 5 minute data for KGGE

Wind History from GGE (wind in knots)
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Last 24hrCalmSW3CalmW3CalmW5W9W12W9SW10W5W5S9S6S8S6S5S3S3S3CalmCalmCalmS3
1 day agoCalmCalmCalmCalmCalmW3SW7W7W5SW6SW7SW7S10SW10
G15
S10SW5SW5S4S5S6S3SW3CalmCalm
2 days agoCalmCalmCalmCalmCalmCalmCalmS4SW3SW9W7CalmS7S4S10
G14
S8S6S5S3CalmCalmCalmCalmCalm

Tide / Current Tables for Midway Inlet North, Pawleys Island, South Carolina
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Midway Inlet North
Click for Map
Fri -- 12:04 AM EDT     Moonrise
Fri -- 01:09 AM EDT     4.03 feet High Tide
Fri -- 06:44 AM EDT     Sunrise
Fri -- 08:08 AM EDT     0.85 feet Low Tide
Fri -- 10:58 AM EDT     Last Quarter
Fri -- 01:55 PM EDT     4.56 feet High Tide
Fri -- 01:57 PM EDT     Moonset
Fri -- 07:53 PM EDT     Sunset
Fri -- 08:51 PM EDT     1.49 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.843.93.632.21.61.10.911.82.83.84.44.64.43.93.22.521.61.51.82.5

Tide / Current Tables for Allston Creek, South Carolina
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Allston Creek
Click for Map
Fri -- 12:03 AM EDT     Moonrise
Fri -- 01:45 AM EDT     3.88 feet High Tide
Fri -- 06:43 AM EDT     Sunrise
Fri -- 08:58 AM EDT     0.81 feet Low Tide
Fri -- 10:58 AM EDT     Last Quarter
Fri -- 01:57 PM EDT     Moonset
Fri -- 02:31 PM EDT     4.40 feet High Tide
Fri -- 07:53 PM EDT     Sunset
Fri -- 09:41 PM EDT     1.42 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.33.83.93.73.32.721.410.81.11.933.94.34.44.13.62.92.31.81.51.41.8

Weather Map and Satellite Images
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wmap_A
GOES Local Image of Southeast    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 Wilmington, NC (2,6,7,8)
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Ground Weather Radar Station Wilmington, NC
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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.