Friday, March24, 2017 L-36.com


Marine Weather and Tides
Southport, 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 7:07AMSunset 7:28PM Friday March 24, 2017 3:57 AM EDT (07:57 UTC) Moonrise 3:57AMMoonset 3:02PM Illumination 11% Phase: Waning Crescent; Moon at 26 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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AMZ252 Coastal Waters From Cape Fear Nc To Little River Inlet Sc Out 20 Nm- 309 Am Edt Fri Mar 24 2017
Today..SE winds 10 kt. Seas 2 to 3 ft.
Tonight..S winds 10 kt. Seas 2 ft...building to 3 ft after midnight.
Sat..S winds 10 kt. Seas 3 ft.
Sat night..S winds 10 kt. Seas 2 to 4 ft.
Sun..SE winds 10 kt. Seas 2 to 4 ft.
Sun night..S winds 10 kt...increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft.
Mon..SW winds 10 kt. Seas 3 to 5 ft.
Tue..SW winds 10 to 15 kt. Seas 3 to 5 ft.
AMZ200 309 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 Southport, NC
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location: 33.92, -78.02     debug


Area Discussion for - Wilmington, NC
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Fxus62 kilm 240523
afdilm
area forecast discussion
national weather service wilmington nc
120 am edt Fri mar 24 2017

Synopsis
Temperatures will run below normal through early Friday as cool
high pressure holds across the area. A warming trend will begin
Friday afternoon through the weekend, as low pressure slowly
approaches from the west. This system will bring a chance of
rain late in the weekend, followed by another system Monday into
Tuesday.

Near term /through Friday/
As of 1000 pm Thursday... A frost advisory is in effect for
robeson, bladen, pender and columbus counties overnight and into
fri morning. A good deal of clear skies are expected to continue
overnight with some increasing high level moisture which will
be manifested in the form of thin cirrus late. Marine stratocumulus
will approach the coast overnight and a few may brush portions
of the immediate coast near sunrise. Winds will be light to
calm. This provides sufficient opportunity for a decent amount
of radiational cooling. Also, low level moisture has been
increasing and dewpoints will hold steady if not rise slightly
for the remainder of the night. As dewpoint depressions narrow
to a degree or two, we expect frost to develop where temps drop
to the mid 30s. This will be primarily across out northernmost
counties where we expect areas of frost with the best coverage
likely across bladen and inland pender counties. Pockets of
frost could locally develop elsewhere away from the coast where
temps drop to 37 or below. We are generally forecasting lows in
the upper 30s to around 40 outside the frost advisory area with
lower to mid 40s along the immediate coast.

Cold high pressure along the eastern seaboard will slip offshore
late tonight and Fri as a coastal trough develops offshore and
drifts west. Surface winds turn southerly on Friday, allowing
a modest warm-advective regime to set up. Highs will finally
rise back up to near or just above normal with most places
seeing a degree or two either side of 70. Expect some afternoon
cu to form with the lower layers moistening up.

Short term /Friday night through Saturday night/
As of 300 pm Thursday... A return to above normal temperatures
will take place heading into the weekend. Atlantic high pressure
will maintain a solid southerly return flow through the low
levels bringing warmer and moister air into the carolinas
through the weekend. Mid to upper ridge building up the
southeast coast will shift east through the period. Overall,
plenty of dry air and subsidence in the mid levels with h5
heights peaking up near 585 dam early sat. As the ridge slips
east, the deep s-sw flow will stream some high clouds into the
area and the low level moisture increase up through h85 will
also aid in development of some afternoon cu, especially along
the convergent sea breeze in the afternoon. Overall, expect
mainly clear skies with a good deal of sunshine and above normal
temps. The 850 temps will be near 6 to 7c through the period
which is up from near 0c just the day before. Low temps around
50 Fri night will rise into the mid 70s on Saturday. Sun night
will be almost 10 degrees above normal with low temps in the mid
50s.

Long term /Sunday through Thursday/
As of 300 am Thursday... Rain chances are best inland Sunday as
a low pressure system swerves north, well west of the coast. A
warm and humid day Sunday all areas, well into the 70s, if not a
few 80s depending on cloud cover extent, even ceiling breaks
could warm the air quickly. A rumble of thunder is possible and
favored inland. A few low pressure centers beneath short-waves
will sustain low end rain chances Monday into Tuesday. QPF looks
quite low but hopefully enough to knock a little pollen out of
the sky and pines. No cold air on the horizon and temperatures
overall appear to run above normal through the extended period.

Aviation /06z Friday through Tuesday/
As of 06z... High confidence inVFR for all terminals through the taf
valid period. Still cannot rule out some moisture in the 1-3kft
range along the coast but it should not form a ceiling. Models have
also backed off on this moisture anyway.

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 Friday/...

as of 1000 pm Thursday... All headlines have been discontinued
across the waters late this eve.

For the remainder of the night, seas of 3 to 5 ft will slowly
subside to 3 to 4 ft with a 2 ft easterly swell on the order of
10 to 11 seconds. The wind direction will be ene to NE at 10 to
15 kt. As a developing offshore coastal trough creeps to the w,
wind speeds are expected to decrease slightly by Fri morning.

High pressure will pass offshore Friday and winds will be on
the order of 5 to 10 kt and seas around 2 ft.

Short term /Friday night through Saturday night/...

as of 300 pm Thursday... High pressure anchored over the
atlantic will maintain a s-se return flow across the waters... 10
kts or less. Should see a spike in on shore flow with the
afternoon sea breeze. The southerly push will produce a gradual
rise in seas from 2 to 3 ft up to 2 to 4 ft by Sat night.

Long term /Sunday through Tuesday/...

as of 300 am Thursday... No advisories are expected Sunday and
Monday but seas may approach 4 feet since southerly flow remains
persistent. Isolated marine showers can be expected this period
but tstms if any would be confined to the gulf stream if at
all. Seas 3-4 feet mainly in SE waves between 7-10 second
intervals with a moderate chop. The warm land temps will support
a sea breeze so expected gusts near 20 kt near shore in the
afternoon hours.

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

Nc... Frost advisory from 1 am to 9 am edt Friday for ncz087-096-099-
105.

Marine... None.

Near term... Rek/rjd
short term... Rgz
long term... Mjc
aviation... mbb


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41108 14 mi41 min 56°F3 ft
NOXN7 - North Carolina Reserve, NC 19 mi73 min E 8 50°F 1032 hPa45°F
WLON7 22 mi40 min 40°F 55°F1032.8 hPa
41110 - Masonboro Inlet, NC 22 mi29 min 56°F3 ft
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 22 mi50 min ENE 14 G 21 52°F 56°F1032.8 hPa
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 24 mi40 min NE 14 G 16 50°F 56°F1031.9 hPa
SSBN7 25 mi88 min 2 ft
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 35 mi50 min E 9.7 G 14 59°F 62°F1031.7 hPa
41013 - Frying Pan Shoals, NC Buoy 37 mi28 min E 9.7 G 14 63°F 67°F1031.5 hPa46°F

Wind History for Wrightsville Beach, NC
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NE22
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SW11
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G24
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Brunswick County Airport, NC3 mi58 minN 010.00 miFair44°F41°F90%1032.8 hPa

Wind History from SUT (wind in knots)
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Last 24hrNE8
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E8
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E5CalmCalmE3CalmCalmCalmCalmCalm
1 day agoE4CalmCalmW3W5NW7N12
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NE8
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2 days agoSW5SW6SW4SW6SW8SW11
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SW11SW11
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W10SW10SW9SW7SW8SW5SW3CalmSW5S4SW5SW7W15
G20
NW12
G17

Tide / Current Tables for Southport, Cape Fear River, North Carolina
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Southport
Click for Map
Fri -- 04:57 AM EDT     Moonrise
Fri -- 05:54 AM EDT     4.48 feet High Tide
Fri -- 07:10 AM EDT     Sunrise
Fri -- 12:10 PM EDT     0.37 feet Low Tide
Fri -- 04:02 PM EDT     Moonset
Fri -- 06:18 PM EDT     4.05 feet High Tide
Fri -- 07:27 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.511.92.93.74.34.54.13.32.41.50.70.40.61.22.233.743.93.22.31.40.7

Tide / Current Tables for Cape Fear, North Carolina
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Cape Fear
Click for Map
Fri -- 04:57 AM EDT     Moonrise
Fri -- 05:25 AM EDT     4.47 feet High Tide
Fri -- 07:09 AM EDT     Sunrise
Fri -- 11:46 AM EDT     0.30 feet Low Tide
Fri -- 04:02 PM EDT     Moonset
Fri -- 05:41 PM EDT     4.24 feet High Tide
Fri -- 07:26 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.61.42.43.344.44.43.93.12.11.20.50.30.81.72.83.64.14.23.83.12.11.20.5

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 (3,6,7,8)
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Ground Weather Radar Station Wilmington, NC
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weather_mapweather_map weather_map

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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.