Wednesday, August21, 2019 L-36.com


Marine Weather and Tides
Murrells Inlet, SC

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7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
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Sunrise 6:41AMSunset 7:57PM Wednesday August 21, 2019 4:30 PM EDT (20:30 UTC) Moonrise 10:30PMMoonset 11:01AM Illumination 63% Phase: Waning Gibbous; Moon at 21 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- 326 Pm Edt Wed Aug 21 2019
Tonight..SW winds 10 to 15 kt. Seas 2 to 3 ft. Isolated showers and tstms early this evening.
Thu..SW winds 10 to 15 kt. Seas 2 to 3 ft. Isolated showers and tstms in the afternoon.
Thu night..SW winds 10 to 15 kt. Seas 3 ft. Isolated showers and tstms in the evening.
Fri..SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Fri night..SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sat..S winds 10 kt, becoming se. Seas 2 ft. Showers and tstms likely.
Sun..E winds 10 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 kt. Seas 2 to 3 ft. Showers and tstms likely through the day, then a chance of showers and tstms through the night. Winds and seas higher in and near tstms.
AMZ200 326 Pm Edt Wed Aug 21 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 the end of the week. A cold front then drops southward and stalls in the vicinity of area waters this upcoming weekend.


7 Day Forecast for Marine Location Near Murrells Inlet, SC
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location: 33.54, -79.1     debug


Area Discussion for - Wilmington, NC
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Fxus62 kilm 211954
afdilm
area forecast discussion
national weather service wilmington nc
354 pm edt Wed aug 21 2019

Synopsis
Bermuda high pressure, the piedmont trough the sea breeze will
generate scattered showers and thunderstorms each afternoon and
evening through Friday. A front will move into the area
Saturday morning and linger into early next week. Afternoon
showers and thunderstorms will continue into the middle of next
week.

Near term through Thursday night
Typical summer-time conditions over the near term period with
bermuda high pressure, a piedmont trough, and daily sea breeze.

Expect isolated to widely scattered aftn evening shras tstms and
near normal temps. Ongoing precip will continue to track east this
afternoon, before diminishing into the evening hours. Most areas
expected to stay dry, however. Low temps tonight in the mid upr 70s.

Guidance continues to indicate another round of shras tstms Thursday
aftn, and handled this with a 30% over all inland locations as
there's quite a bit of spread as to what areas receive rainfall. No
severe weather or flooding anticipated. High temps will range from
the upr 80s at the coast to then low mid 90s inland, with heat
indices peaking in the 100-104 deg range. Typical nocturnal decrease
of precip then into Thursday night, with low temps in the mid 70s.

Short term Friday through Saturday night
Elongated mid-level ridging over the southern CONUS will be
suppressed by 5h trough moving across the great lakes and the
northeast late in the week. Bermuda high and piedmont trough tandem
will once again lead to diurnal convection fri. However, coverage
may actually start to increase Fri night into Sat as a slow moving
cold front drops into the area. Front is being pushed south by the
5h trough passing to the north. Shallow nature of the mid-level
trough means the front arrives with minimal push and ends up
stalling in the region sat. Deep moisture and the stalled front sat
and Sat night help ramp up shower and thunderstorm coverage as the
week ends. Coverage will decrease somewhat Sat night with the loss
of heating, but low level convergence and development of weak wave
along the stalled front will keep convection going overnight.

Temperatures above to well above climo Fri and Fri night will run
closer to climo on Sat due to an increase in both clouds and
coverage of convection. Lows Sat night end up a little above climo.

Long term Sunday through Wednesday
Flat mid level pattern next week keeps the stalled front in the area
sun into Mon before high to the north helps push it southeast. Weak
surface wave starts to develop over or just off the coast of the
southeast Mon into tue. The weak low then drifts northeast, but
confidence in its movement is low. Regardless of the location of the
low it appears first half of next week will be marked by an extended
period of scattered to widespread showers and thunderstorms.

-deep moisture, surface boundary, and heating will generate
widespread showers and thunderstorms Sun and mon.

-flooding potential increases Sun and Mon with storm motion
under 5 kt and warm cloud layer around 14k ft.

-rainfall chances decrease Tue and Wed as the boundary moves
farther offshore and mid-level dry air increases.

-highs slightly below climo Sun will be near climo mon-wed with
lows above climo through wed.

Aviation 20z Wednesday through Monday
Scattered to broken cumulus deck currently across most of the
area. Slight chance for isolated thunderstorms still exist for
this afternoon and early evening, mostly along sea breeze. Clear
skies with a few high clouds overnight. No fog expected this
taf period due to elevated winds and less than ideal low level
moisture. South-southwest winds continue through tomorrow,
around 10-15 kts during the day and 5-10 kts at night.

Extended... MainlyVFR thru Fri with brief MVFR ifr periods each
day due to aftn evening convection and fog and or stratus
around daybreak. A cold front will drop south and stall across
the region late Fri thru mon. This will lead to an increase in
tsra coverage with MVFR ifr conditions possible at any time of
the day or night.

Marine
Sub-small craft advisory conditions continue this week with bermuda
high pressure offshore and a typical piedmont trough inland. Expect
s SW winds of 10-15 kt, up to 15-20 kt during the evening hours.

Seas 2-3 ft, occasionally up to 4 ft over nc area waters. This will
mainly consist of a 4-5 second ssw 2-3 ft wind wave and a 10 second
se 1-2 ft swell.

Bermuda high will maintain 10 to 15 kt southwest flow Fri into fri
night. A cold front arrives early Sat with wind field becoming light
and variable Sat into sun. Front pushes a little farther south sun
with northeast flow around 10 kt setting up. Northeast flow around
10 kt continues Mon as weak high pressure builds in from the north.

Seas around 3 ft Fri drop closer to 2 ft Sat and Sun before
northeast flow builds seas closer to 3 ft on mon. Southwest wind
wave around 5 seconds weakens Sat Sun as southeast swell around 9
seconds starts to become more noticeable. Northeast wind wave may
start to develop on mon, depends how quickly the front pushes south
and how strong northeast flow ends up.

Ilm watches warnings advisories
Sc... Beach hazards statement until 8 pm edt this evening for scz054-
056.

Nc... Beach hazards statement until 8 pm edt this evening for ncz106-
108.

Marine... None.

Near term... Mas
short term... Iii
long term... Iii
aviation... Vao
marine... Iii mas


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MROS1 - 8661070 - Springmaid Pier, SC 13 mi42 min 79°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 14 mi105 min SSW 12 89°F 1018 hPa77°F
41024 - Sunset Nearshore (SUN 2) 39 mi22 min SSW 16 G 23 84°F 85°F1017.5 hPa
41119 39 mi40 min 85°F3 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Myrtle Beach Air Force Base, SC14 mi34 minS 14 G 2710.00 miLight Rain80°F73°F82%1017.6 hPa
Conway Horry County Airport, SC20 mi55 minSSE 67.00 miThunderstorm90°F71°F55%1017.3 hPa
Georgetown County Airport , SC20 mi35 minSSW 910.00 miPartly Cloudy90°F71°F55%1017.9 hPa

Link to 5 minute data for KMYR

Wind History from MYR (wind in knots)
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Last 24hrS7----S8S10S10------------SW5--SW3SW5--------S10S13
G17
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1 day ago--S13
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SW8SW7SW4----------SW3Calm--CalmCalmW4--S6S8S10S7Calm
2 days agoSW8S10S10S9S8SW7SW8----S4--SW3----W6W4W6NW4S8SE9S9S10--S12

Tide / Current Tables for Wachesaw Landing, Waccamaw River, South Carolina
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Wachesaw Landing
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Wed -- 03:03 AM EDT     2.73 feet High Tide
Wed -- 06:42 AM EDT     Sunrise
Wed -- 10:17 AM EDT     0.59 feet Low Tide
Wed -- 12:01 PM EDT     Moonset
Wed -- 03:31 PM EDT     2.81 feet High Tide
Wed -- 07:55 PM EDT     Sunset
Wed -- 10:38 PM EDT     1.00 feet Low Tide
Wed -- 11:29 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.62.22.62.72.72.421.61.10.80.60.71.21.92.52.82.82.62.31.91.51.211

Tide / Current Tables for Garden City Pier (ocean), South Carolina
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Garden City Pier (ocean)
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Wed -- 05:54 AM EDT     0.74 feet Low Tide
Wed -- 06:42 AM EDT     Sunrise
Wed -- 11:54 AM EDT     5.13 feet High Tide
Wed -- 12:01 PM EDT     Moonset
Wed -- 06:15 PM EDT     1.25 feet Low Tide
Wed -- 07:55 PM EDT     Sunset
Wed -- 11:29 PM EDT     Moonrise
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.94.53.72.61.610.71.12.13.34.355.14.94.23.32.31.61.31.42344.6

Weather Map and Satellite Images
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GOES 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 Wilmington, NC (16,3,4,5)
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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.