Friday, March24, 2017 L-36.com


Marine Weather and Tides
Calabash, NC

Version 3.4
What's New / NOTES
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.
3/12/2015 - Added section for Gulf current for users in the GMZ marine zones.
This was requested by a user. If you have requests, please let me know.

Sunrise 7:10AMSunset 7:32PM Friday March 24, 2017 10:07 AM EDT (14:07 UTC) Moonrise 4:00AMMoonset 3:05PM Illumination 10% Phase: Waning Crescent; Moon at 27 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- 753 Am Edt Fri Mar 24 2017
Today..SE winds 10 kt. Seas 2 to 3 ft.
Tonight..S winds 10 kt. Seas 2 to 3 ft.
Sat..S winds 10 kt. Seas 3 ft.
Sat night..SE winds 10 kt. Seas 3 ft. A slight chance of showers.
Sun..S winds 10 kt. Seas 3 ft.
Sun night..S winds 10 kt. Seas 3 ft.
Mon..S winds 10 kt. Seas 2 to 4 ft.
Tue..SW winds 10 to 15 kt. Seas 2 to 4 ft. A chance of showers and tstms through the day. Winds and seas higher in and near tstms.
AMZ200 753 Am Edt Fri Mar 24 2017
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Canadian high pressure will build southward into the mid-atlantic states...then will move offshore during the weekend. A weak cold front will approach the waters on Monday 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 241210
afdilm
area forecast discussion
national weather service wilmington nc
810 am edt Fri mar 24 2017

Synopsis
One more chilly start this morning... Before temperatures rise
above normal for the entire upcoming week. A series of passing
low pressure systems will bring slight chances of rain Sunday
through Tuesday, and again late next week.

Near term /through tonight/
As of 810 am Friday... Have cancelled the frost advisory an hour
early as temperatures are rising rapidly this morning. No
changes to the forecast otherwise needed. Previous discussion
from early this morning follows:
after a chilly to in some spots frosty morning today will turn
out seasonable under a sunny sky, some 15 degrees warmer than
yesterday. This is thanks to a surface and low level area of
high pressure off the coast. The sunshine will largely be
sponsored by the mid level ridge, shifted a bit further west
from the low level feature and generally be centered overhead.

This upper level ridge will move east tonight, opening up the
area to some deeper moisture advection, albeit in a fairly
gradual manner.The warm advection will continue as well bringing
a seasonable to slightly mild night with lows fairly close to
50.

Short term /Saturday through Sunday night/
As of 324 am Friday... Hearty warm air advection already
underway to kick off the weekend, with a short-wave cyclone
pushing into the middle mississippi valley and a high pressure
cell axis elongated along 34 N in the western atlantic. If you
like your maximum temperatures in the 70s this will be your
weekend. Curvature of the low pressure system northward Sunday
west of the area, will deflect the bulk of precipitation into
the appalachians with little offerings near the coast, thus
small rain chances Sunday and favored well inland. Low-level
convergence offshore may spark a few marine showers toward land
but rain amounts if any to be minimal.

Long term /Monday through Thursday/
As of 324 am Friday... A very mild week on tap with a series of
southern stream short-waves providing a chance of rain Monday into
Tuesday and again late in the week. Maximums this week each day will
range from the middle 70s to lower 80s, and generally warmer inland
away from the cooling effects of the ocean as a robust sea breeze
looks in the making each afternoon. Cross sectional analysis and
instability parameters suggest a slight chance of a TSTM late Monday
through Tuesday. Low level and moist southerly wind flow will
prevail this period, with a brief and weak back-door frontal
intrusion early Thursday will little consequence except to lighten
winds for a small time before another southern stream system
approaches, followed by a rain potential on Friday.

Aviation /12z Friday through Tuesday/
As of 12z... High confidence inVFR for all terminals through
the TAF valid period. For flo a stratus deck at 7 kft has moved
in from the west, but this should break up very early.

Extended outlook... Flight category restrictions are possible in
stratus/fog during the early morning hours of Sat and Sun and
in isolated to scattered showers and thunderstorms Sun through
tue.

Marine
Near term /through tonight/...

as of 810 am Friday..Latest obs show seas right around 3 ft with
a SE wind of 10 kts. No changes needed to the forecast with the
latest update. Previous discussion from early this morning
follows:
things looking pretty quiet on the marine front through the
period. High pressure off the coast and progressing slightly
eastward will turn easterly winds to the south. Wind speeds will
remain capped at 10kt and seas 3 ft or less.

Short term /Saturday through Sunday/...

as of 324 am Friday... A manageable weekend on tap for mariners,
nearly summer-like in nature, as south winds 10-15 kt prevail
and seas 2-4 feet, highest offshore. Seas a bit larger for the
winds mainly due to SE waves of 2-4 feet between 7-10 seconds
generated from low pressure interacting with high pressure north
of the bahamas. Thus seas slightly elevated due to SE swell.

At this time no advisories however anticipated. A few showers
may spawn over the waters Sunday but no tstms expected over the
0-20nm waters.

Long term /Monday through Wednesday/...

as of 324 am Friday... Summer like pattern continues as s-sw
winds prevail 10-15 kt. A SE swell will keep seas slightly
elevated, but dominant periods of around 10 seconds will not
make wave particularly steep. Late Tuesday into early Wednesday
a few tstms can be expected as a low pressure system passes
north of the area. Wednesday may see a few storms linger over
the gulf stream waters.

Ilm watches/warnings/advisories
Sc... None.

Nc... None.

Marine... None.

Synopsis... Mjc
near term... Rek/mbb
short term... Mjc
long term... Mjc
aviation... Rek
marine... Mjc/rek/mbb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
SSBN7 5 mi97 min 1 ft
MROS1 - 8661070 - Springmaid Pier, SC 23 mi49 min 1032.6 hPa
41108 31 mi50 min 56°F3 ft
WLON7 41 mi49 min 54°F 55°F1033.3 hPa
NOXN7 - North Carolina Reserve, NC 43 mi82 min ENE 4.1 47°F 1032 hPa42°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 48 mi82 min NE 11 55°F 1033 hPa53°F
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 48 mi49 min NNE 8 G 9.9 48°F 55°F1032.5 hPa
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 49 mi59 min NE 7.8 G 18 52°F 56°F1033.5 hPa
41110 - Masonboro Inlet, NC 49 mi38 min 56°F3 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 mi14 minE 410.00 miFair57°F48°F72%1033.1 hPa
Myrtle Beach Air Force Base, SC22 mi17 minE 810.00 miFair55°F48°F77%1033.5 hPa

Wind History from CRE (wind in knots)
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Last 24hrNE14E9
G15
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G17
SE13E14
G18
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SE9
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G16
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G17
NE5NE4NE5NE4N5NE6NE7NE6N4NE4E4
1 day agoN14
G25
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NE14
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N9
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NE9NE9SE12E11
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E14
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E12E12NE13NE11NE8NE7NE7NE6N6N7NE8NE13NE13
G21
2 days agoS8S9S9S10S11SW14SW14SW16SW13SW7S11SW10SW11SW12SW10NW93CalmSW3SW4W3W4N11N10
G16

Tide / Current Tables for Dunn Sound, Little River Inlet, South Carolina
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Dunn Sound
Click for Map
Fri -- 04:59 AM EDT     Moonrise
Fri -- 05:40 AM EDT     4.63 feet High Tide
Fri -- 07:12 AM EDT     Sunrise
Fri -- 12:28 PM EDT     0.29 feet Low Tide
Fri -- 04:04 PM EDT     Moonset
Fri -- 05:56 PM EDT     4.39 feet High Tide
Fri -- 07:29 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.40.91.933.94.54.64.23.52.61.70.90.40.41.22.33.44.14.44.13.52.61.70.9

Tide / Current Tables for Myrtle Beach Airport, South Carolina
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Myrtle Beach Airport
Click for Map
Fri -- 01:09 AM EDT     0.37 feet Low Tide
Fri -- 05:00 AM EDT     Moonrise
Fri -- 07:00 AM EDT     2.95 feet High Tide
Fri -- 07:12 AM EDT     Sunrise
Fri -- 01:51 PM EDT     0.21 feet Low Tide
Fri -- 04:05 PM EDT     Moonset
Fri -- 07:12 PM EDT     2.80 feet High Tide
Fri -- 07:29 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.50.40.511.72.42.82.92.82.51.91.30.70.30.20.51.222.62.82.72.41.91.3

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

GOES Local Image of Mid-Atlantic    EDIT
Geos

Wind Forecast for Wilmington, NC (10,2,3,4)
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Ground Weather Radar Station Wilmington, NC
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weather_mapweather_map weather_map

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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.