Friday, March22, 2019 L-36.com


Marine Weather and Tides
Calabash, NC

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:15AMSunset 7:29PM Friday March 22, 2019 8:09 PM EDT (00:09 UTC) Moonrise 8:28PMMoonset 7:33AM Illumination 96% Phase: Waning Gibbous; Moon at 17 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- 617 Pm Edt Fri Mar 22 2019
Tonight..W winds 15 to 20 kt, becoming N after midnight. Seas 3 to 4 ft.
Sat..N winds 10 to 15 kt, becoming nw 10 kt in the afternoon. Seas 2 to 3 ft.
Sat night..NW winds 10 kt, becoming ne after midnight. Seas 1 foot.
Sun..E winds 5 kt, becoming se in the afternoon. Seas 1 foot.
Sun night..S winds 10 kt, becoming sw 10 to 15 kt after midnight. Seas 1 foot, then 2 ft after midnight.
Mon..SW winds 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Mon night..W winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely.
Tue..N winds 15 to 20 kt. Seas 3 to 4 ft, building to 4 to 6 ft. A chance of showers through the day.
Wed..NE winds 15 to 20 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft.
AMZ200 617 Pm Edt Fri Mar 22 2019
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. A cold front will move across the waters this evening. High pressure will ridge in from the northwest Saturday and move overhead during Sunday. Low pressure along a cold front will affect the area Monday night and Tuesday.


7 Day Forecast for Marine Location Near Calabash, NC
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location: 33.86, -78.57     debug


Area Discussion for - Wilmington, NC
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Fxus62 kilm 222259
afdilm
area forecast discussion
national weather service wilmington nc
659 pm edt Fri mar 22 2019

Synopsis
High pressure will progress east across the area through Sunday
leading to a gradual warmup. A cold front late Monday will bring
showers and isolated thunderstorms. Another high will build in
from the west for the remainder of next week.

Near term through Saturday night
As of 300 pm Friday... In a significant contrast to yesterday's
weather, deep high pressure will build toward the carolinas this
weekend bringing clear skies and large day-night temperature ranges.

Cyclonic flow around the big new england storm system will drag a
dry cold front southward across the carolinas tonight. This boundary
appears to move through late this evening, shifting winds to the
north. A shallow nocturnal inversion ahead of the front this evening
should be mixed out by winds and cold advection behind the front, so
look for hourly temperature curves to have a roller coaster look to
them tonight. Overnight lows should to fall around 40 with some
upper 30s inland.

Clear skies continue Saturday as high pressure begins to build into
the region. After highs in the 63-66 range, winds will go dead calm
Saturday night promoting excellent radiational cooling. Recent model
guidance has trended upward a bit with forecast lows Saturday night,
but it still appears it will be cold enough for frost or even a
freeze in some of the normally colder locations. My forecast lows
are in the 35-40 degree range for most locations.

Short term Sunday through Sunday night
As of 300 pm Friday... High pressure moves further offshore during
the period. Low level warm and moist advection expected but this
should be confined to just an increase in cloudiness. Zonal mid
level flow will preclude deep layer moistening. Temperatures will be
slightly elevated above climatology on Sunday due to the return flow
and Sunday night due to increased cloudiness.

Long term Monday through Friday
As of 300 pm Friday... Prefrontal southwesterly flow to warm up
Monday afternoon while the front itself and the upper wave driving
it bring shower and thunderstorm chances late and at night. The high
that moves in behind the front will be progressing over the
northeastern us but not over the carolinas where it will be held up
by low pressure developing off our coast. This keeps the area in a
cool to eventually neutral thermal advection regime that will keep
temperatures below climatology. At this time no freezing low
temperatures appear likely but one or two of the cooler nights may
be supportive of frost.

Aviation 00z Saturday through Wednesday
As of 0z... .Vfr. Clear skies throughout TAF period as high
pressure and dry air moves in from the northwest. Current
westerly winds will veer to northwesterly over the next few
hours as a dry cold front passes through the region. Winds
around 5 kts tonight becoming 5-10 kts tomorrow.

Extended outlook...VFR conditions expected Saturday afternoon
through early next week as high pressure builds over the area.

Possible MVFR early next week as next frontal system impacts the
area.VFR conditions expected Tuesday and Wednesday.

Marine
As of 300 pm Friday... Breezy west winds this afternoon will veer
northerly tonight as a dry secondary cold front drops south across
the carolinas. A short-lived surge of northerly winds may keep small
craft advisory conditions going through the night across the north
carolina waters, but for the south carolina coastal waters it
appears sustained winds will top out around 20 kt with seas
remaining 3-4 feet in the short offshore fetch. Marine weather
conditions should improve greatly on Saturday as high pressure
builds in from the west and wind speeds diminish to less than 10 kt
by mid afternoon. Winds should diminish to only around 5 kt late
Saturday night.

Sunday through Sunday night... As of 300 pm Friday... Light and
variable winds early Sunday as high pressure moves overhead.

Later Sunday into Sunday night this high moves well offshore and
a southerly flow becomes established but stays light winds
speeds likely capped near 10kt. No swell energy to speak of so
diminutive wind waves to be predominant.

Monday through Wednesday... As of 300 pm Friday... Southwesterly
flow expected on Monday ahead of approaching cold front. The
boundary will cross the waters Monday night bringing gusty winds
that will veer to N or ne. Wind and seas likely both ramp up to
advisory levels. Little to no improvement is expected on
Wednesday as the gradient remains pinched between the slow
moving front offshore and the high trying to build in from the
nw. Low pressure will even be developing along the front to
maintain or even bolster the gradient late in the period or
beyond.

Ilm watches warnings advisories
Sc... None.

Nc... None.

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

Synopsis... mbb
near term... Tra
short term... mbb
long term... mbb
aviation... Vao


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41024 - Sunset Nearshore (SUN 2) 5 mi62 min WNW 14 G 18 63°F 59°F1009.8 hPa
41108 31 mi40 min 60°F6 ft
WLON7 41 mi40 min 61°F 56°F1010 hPa
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 48 mi40 min 62°F 56°F1009.9 hPa
NIWS1 - North Inlet-Winyah Bay Reserve, SC 48 mi85 min W 9.9 66°F 1010 hPa32°F
41110 - Masonboro Inlet, NC 49 mi40 min 56°F4 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
North Myrtle Beach Grand Strand Airport, SC9 mi77 minW 710.00 miFair64°F30°F29%1009.8 hPa
Myrtle Beach Air Force Base, SC22 mi74 minW 1010.00 miFair65°F32°F29%1010.2 hPa

Wind History from CRE (wind in knots)
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Last 24hr--CalmW3NW8
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NW8W93W3Calm
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Tide / Current Tables for Dunn Sound, Little River Inlet, South Carolina
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Dunn Sound
Click for Map
Fri -- 04:02 AM EDT     -0.85 feet Low Tide
Fri -- 07:15 AM EDT     Sunrise
Fri -- 08:32 AM EDT     Moonset
Fri -- 09:47 AM EDT     5.40 feet High Tide
Fri -- 04:22 PM EDT     -0.70 feet Low Tide
Fri -- 07:27 PM EDT     Sunset
Fri -- 09:28 PM EDT     Moonrise
Fri -- 10:16 PM EDT     5.64 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.72.20.7-0.4-0.8-0.312.74.25.15.44.93.92.61.20-0.6-0.50.62.23.855.65.5

Tide / Current Tables for Myrtle Beach Airport, South Carolina
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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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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 Wilmington, NC (20,4,5,8)
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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.