Friday, May26, 2017

Marine Weather and Tides
Socastee, SC

Version 3.4
What's New / NOTES
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 6:06AMSunset 8:19PM Friday May 26, 2017 1:30 AM EDT (05:30 UTC) Moonrise 6:06AMMoonset 8:21PM Illumination 0% Phase: New Moon; Moon at 1 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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AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 928 Pm Edt Thu May 25 2017
.small craft advisory in effect until 6 am edt Friday...
Overnight..W winds 20 to 25 kt...diminishing to 15 to 20 kt late. Seas 4 to 6 ft.
Fri..W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft... Subsiding to 2 to 4 ft in the afternoon.
Fri night..W winds 10 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sat..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sat night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 ft.
Sun..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Sun night..SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft.
Mon..SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Tue..SW winds 10 kt. Seas 2 ft. A chance of showers and tstms. Winds and seas higher in and near tstms.
AMZ200 928 Pm Edt Thu May 25 2017
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. High pressure will build in tonight and Friday and remain into the weekend. This will allow winds and seas to slowly drop below small craft advisory levels by daybreak Friday. A cold front will approach the waters from the west early next week.

7 Day Forecast for Marine Location Near Socastee, SC
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location: 33.69, -79.01     debug

Area Discussion for - Wilmington, NC
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Fxus62 kilm 260145
area forecast discussion
national weather service wilmington nc
945 pm edt Thu may 25 2017

Breezy but fair conditions can be expected this evening in wake
of a storm system. High pressure will build across the area
tonight and Friday and persist into the weekend, bringing dry
weather and increasing heat. A cold front will reach into the
carolinas early next week, moving off shore by mid week.

Near term until 6 am Friday morning
As of 945 pm... Drying and down-slope flow will keep skies mainly
clear overnight and despite the soggy ground, no fog or mist is
anticipated due to elevated winds overnight. Gusts in excess of
20 mph can be expected along the icw to beach corridor much of
the overnight period, while inland, sustained winds will likely
drop off to 12 mph or less. Dewpoints have dropped off sharply
and should level off in the 50s soon, with lows settling in the
upper 50s inland to low 60s near the coast and middle 60s icw to
the beaches.

As of 545 pm Thursday... Dry mid-level air coupled with easing
surface heating and lowering dewpoints have curtailed convection
as an upper low pivots northeast toward the mid-atlantic region.

This update removes early pops and lowers sky cover in the early
going. Breezy sw-wsw winds will buffet the region this evening
with 30 mph gusts in spots, favored near the coast but possible
anywhere. No other changes at this time.

Short term 6 am Friday morning through Saturday night
As of 300 pm Thursday... High pressure south of the area
extending from the gulf of mexico across to the bahamas will
produce a deep w-sw flow over the area through the period. This
will maintain generally quiet weather but minor perturbation
will ride across the top of the mid to upper ridge extending up
from the gulf of mexico. This may produce some periods of
clouds, but the best energy will remain just north and therefore
will maintain a rain free forecast for most of the period. Have
included a low end chc of pcp overnight Sat over northern tier
of forecast area as deep enough low pressure traverses across
the va nc border with a trailing front reaching back into nc.

Otherwise, expect a good amount of sunshine on fri. The h5
heights will continue to rise through Fri night and will remain
heightened and 850 heights jump up near 16c on Saturday. The
winds will back at the sfc bringing dewpoint temps up through
the period and winds aloft will have a decent westerly downslope
component. Therefore expect warming trend with overnight lows
in the mid 60s Fri night up to around 70 Sat night. Daytime high
temps on Saturday should MAX out around 90.

Long term Sunday through Thursday
As of 300 pm Thursday... The weather will becoming increasingly
unsettled through the latter half of memorial day weekend. We
will basically remain under the grips of high pressure to our
south on Sunday with a warm and moist SW return flow. Aloft, the winds
will be more westerly atop a ridge extending up form the gulf of
mexico. Initially on Sunday, the ridge builds north with
increasing subsidence and dry air aloft into the early afternoon,
but the ridge flattens out as mid to upper trough digs down
from the upper great lakes. This will push cold front closer to
the area. There will be a general increasing potential for
clouds and showers tstms late Sun through mid week ahead of this
slow moving front. It looks like the most widespread convection
will come on Mon into tues as the front gets a push south and
east into and through the forecast area. Expect the surface
front to make it just south by wed, but it remains aligned SW to
ne near or just south of area as a broad upper trough remains
over the eastern conus. This front looks like it will remain
close enough to produce unsettled weather over at least coastal
portions of the forecast area through the remainder of the work
week. Overall convection should be more localized Sun into mon
and become more widespread late Mon into tues with a possible
break on Wed as front moves south with continued convection
mainly along the coast or south on thurs.

Mid level heights will continue to rise through Sun with gfs
showing peak Sun aftn but remaining high through mon. This will
maintain very warm temps both Sun and mon, crossing into the 90s
most places. MAX temps will run in the 80s through the rest of
the period dampened by clouds, and the moist air mass will keep
overnight lows up around 70 most nights in a more summerlike air
mass with a slight cooling as front passes through tues night
into wed.

Aviation 02z Friday through Tuesday
As of 00z Thursday...VFR, skies will be clearing andVFR is
expected through the remainder of the valid TAF period. The
winds will continue to gust up to 26kt through until 3z, and
diminish to 9 to 14 kt.

Extended outlook... MVFR conditions possible in scattered
showers and thunderstorms Sun through tue.

Near term through Friday ...

as of 945 pm Thursday... Small craft advisory conditions ongoing
across the waters. Deep mixing will allow for sustained SW to w
winds of 20 to 25 kt with a few gusts up to 30 kt through this
eve and mainly west winds at 20 to 25 kt tonight. Winds on fri
will be 15 to 20 kt, diminishing to 10 to 15 kt during the
afternoon. Seas will be up to 5 to 8 ft this eve, subsiding to
below small craft advisory criteria by sunrise. Seas on Fri will
be subsiding in general offshore flow, down to 2 to 4 ft during
the afternoon.

Short term Friday night through Saturday night ...

as of 300 pm Thursday... West to SW return flow around 10 to 15
kts will continue around high pressure extending from the gulf
of mexico east to the bahamas. Seas will be gradually
diminishing through Fri night down to 3 ft or less.

Winds and seas will increase slightly late Sat through sat
night as low moves across va nc border with trailing front. Seas
will spike up a bit Sat night up to 3 to 4 ft.

Long term Sunday through Tuesday ...

as of 300 pm Thursday... High pressure to the south will
maintain a SW return flow 10 to 15 mph through much of the
period. Seas will remain between 2 and 4 ft through the period.

Ilm watches warnings advisories
Sc... Beach hazards statement from 6 am edt Friday through Friday
evening for scz054-056.

Nc... Beach hazards statement from 6 am edt Friday through Friday
evening for ncz106-108-110.

Coastal flood advisory until midnight edt tonight for ncz107.

Marine... Small craft advisory until 6 am edt Friday for amz250-252-254-

Synopsis... 8
near term... Rjd
short term... Rek rgz
long term... Rgz
aviation... 8

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MROS1 - 8661070 - Springmaid Pier, SC 6 mi43 min 1010.7 hPa
NIWS1 - North Inlet-Winyah Bay Reserve, SC 25 mi106 min WSW 8.9 68°F 1011 hPa53°F
SSBN7 30 mi151 min 3 ft
41024 - Sunset Nearshore (SUN 2) 30 mi83 min W 18 G 21 73°F 75°F1010.4 hPa

Wind History for Springmaid Pier, SC
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Myrtle Beach Air Force Base, SC4 mi35 minWSW 710.00 miFair66°F54°F65%1011.8 hPa
Conway Horry County Airport, SC11 mi36 minSW 57.00 miFair61°F55°F83%1011.5 hPa
North Myrtle Beach Grand Strand Airport, SC17 mi38 minWSW 1210.00 miFair68°F54°F61%1011 hPa

Wind History from MYR (wind in knots)
Last 24hr------SW5SW5W8W10
1 day agoW6W5W6W5SW6SW7
2 days agoE10E8S13S8S10S8SW7SW5W6W9W10W6S12S15W9SW6SW8W6SW6--S6SW10W5W5

Tide / Current Tables for Socastee Bridge, South Carolina
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Socastee Bridge
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Fri -- 12:00 AM EDT     2.85 feet High Tide
Fri -- 06:08 AM EDT     Sunrise
Fri -- 07:06 AM EDT     Moonrise
Fri -- 07:46 AM EDT     -0.59 feet Low Tide
Fri -- 12:31 PM EDT     2.29 feet High Tide
Fri -- 07:50 PM EDT     -0.82 feet Low Tide
Fri -- 08:17 PM EDT     Sunset
Fri -- 09:21 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Myrtle Beach, South Carolina
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Myrtle Beach
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Fri -- 02:38 AM EDT     -1.07 feet Low Tide
Fri -- 06:08 AM EDT     Sunrise
Fri -- 07:05 AM EDT     Moonrise
Fri -- 08:36 AM EDT     5.60 feet High Tide
Fri -- 02:41 PM EDT     -1.21 feet Low Tide
Fri -- 08:17 PM EDT     Sunset
Fri -- 08:58 PM EDT     6.94 feet High Tide
Fri -- 09:20 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
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Weather Map
IR Satellite Image from GEOS

GOES Local Image of Southeast    EDIT

Wind Forecast for Wilmington, NC (1,6,7,8)
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Ground Weather Radar Station Wilmington, NC
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weather_mapweather_map weather_map

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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 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 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.