Thursday, April26, 2018 L-36.com


Marine Weather and Tides
Surf City, NC

Version 3.4
What's New / NOTES
3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.

Sunrise 6:22AMSunset 7:52PM Thursday April 26, 2018 2:00 AM EDT (06:00 UTC) Moonrise 3:36PMMoonset 3:41AM Illumination 83% Phase: Waxing Gibbous; Moon at 11 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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AMZ250 Coastal Waters From Surf City To Cape Fear Nc Out 20 Nm- 732 Pm Edt Wed Apr 25 2018
.small craft exercise caution in effect until 3 am edt Thursday...
Tonight..SW winds 10 to 15 kt with gusts up to 20 kt, becoming W 10 kt or less. Seas 4 to 5 ft, subsiding to 3 to 5 ft after midnight.
Thu..N winds 10 kt or less, becoming se in the afternoon. Seas 3 to 4 ft.
Thu night..S winds 10 kt with gusts up to 20 kt. Seas 3 to 4 ft. Showers likely with isolated tstms.
Fri..SW winds 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 ft. A chance of showers with isolated tstms.
Fri night..SW winds 10 to 15 kt, becoming W 10 kt after midnight. Seas 3 to 4 ft.
Sat..W winds 10 kt. Seas 3 ft.
Sat night..W winds 10 kt. Seas 2 to 4 ft.
Sun..N winds 10 to 15 kt. Seas 2 to 4 ft, subsiding to 2 to 3 ft.
Mon..NE winds 10 to 15 kt, becoming S 10 kt. Seas 2 to 3 ft. Winds and seas higher in and near tstms.
AMZ200 732 Pm Edt Wed Apr 25 2018
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Upper level low pressure will move overhead tonight. A series of weak cold fronts will move across the waters Thursday, Friday, and again on Sunday.

7 Day Forecast for Marine Location Near Surf City, NC
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location: 34.45, -77.5     debug


Area Discussion for - Wilmington, NC
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Fxus62 kilm 260537
afdilm
area forecast discussion
national weather service wilmington nc
137 am edt Thu apr 26 2018

Synopsis
Scattered to numerous showers and some thunderstorms are
expected late Thursday and Thursday night ahead of a cold front.

Dry fronts are expected to move across the area Friday and
again on Sunday. Temperatures will be near to slightly below
normal for the remainder of the week and during the weekend.

Return flow around departing high pressure will bring above
normal temperatures beginning Tuesday.

Near term through today
As of 800 pm Wednesday... Patchy stratocumulus will continue to
drift across the area tonight as an upper area of low pressure
continues to move N and away from the area. A weak trough was
moving offshore, shifting the flow across the area to NW ahead
of a ridge of surface high pressure. A secondary mid-level
shortwave will be digging into the ARKLATEX region tonight,
aiding in increasing 850-500mb moisture. This will keep some
mid-level cloudiness across the forecast area through the night.

Given light to calm winds and only patchy cloudiness, we expect
low temps will be a degree or two cooler than last night and we
are forecasting lows in the mid and upper 50s.

On Thursday, another area of low pressure aloft approaches from
the W which causes increasing diffluence, better columnar
moisture, and an increasing chance for showers late. Guidance is
slow with the surface reflection so expect only minimal shower
chances through Thursday, but have shown low-chc near i-95 by
the end of the period. Another seasonable day is forecast despite
the clouds however, and highs will climb to the mid 70s, with
lower 70s at the beaches.

Short term tonight through Friday night
As of 325 pm Wednesday... Closed 500 mb low and associated surface
low centered over southeast tn and northern ga Thursday evening will
open up and lift across the mid-atlantic states through Friday. A
warm front is expected to be just north of the forecast area at 00z
Friday, with the cold front poised to enter the western zones around
midnight. Marginal instability in the warm sector will lead to
potential for isolated thunderstorms along with the scattered to
numerous showers ahead of the frontal boundary. By 12z Friday, most
of the activity will be northeast of the area, however additional
light showers may develop later Friday in lingering moisture below
700 mb, ahead of an approaching 700 mb trough.

Long term Saturday through Wednesday
As of 325 pm Wednesday... The next shortwave is progged to primarily
pass south of the carolinas during Saturday morning while the main
upper low translates across the eastern great lakes region. Thus not
much in the way of lift for our part of the carolinas and a rather
dry column through the extended supports very little in the way of
pops. A dry frontal passage Saturday night will be followed by cool
high pressure at the surface through the remainder of the weekend.

Although temperatures will be cooler than normal Sunday and Monday
the weather will be quite tolerable with highs generally in the
lower 70s with clear skies. A warm-up is expected by mid-week as the
high moves off the coast with as return flow develops.

Aviation 06z Thursday through Monday
As of 06z... Clouds lingering around 6k ft this morning will
start to expand in coverage later this morning as heating
coupled with colder air aloft increases low level instability.

Shortwave moving into the area later in the day may generate
some late day evening convection that lingers in the area a
little past midnight. Isolated thunder is possible, but
potential is low and have not included within the forecast with
the latest issuance. Light and variable winds this morning will
become southeast with afternoon sea breeze increasing speeds
along the coast.

Extended outlook... Tempo MVFR tonight through sat. Otherwise
vfr.

Marine
Near term through Thursday ...

as of 800 pm Wednesday... A small craft advisory across the
northern waters has been downgraded to a small craft should
exercise caution headline and is valid til 300 am. There are no
headlines for the southern waters. Seas up to 4 to 5 ft across
the northern waters will slowly wane throughout tonight.

Sw to W winds will shift to N by Thu morning. NE to E winds thu
morning will veer to S during the afternoon. Wind speeds will be
10 kt or less through the remainder of the night and on thu
in response to retreating high pressure and approaching weak
low pressure. These light winds will allow seas to subside to 2
to 4 ft on Thursday.

Short term Thursday night through Friday night ...

as of 325 pm Wednesday... Surface low pressure will move up the
appalachians Friday, resulting in southerly flow across the
waters during the day. The magnitude of the gradient will remain
modest, with winds remaining 15 kts or less. Winds will veer to
the southwest during the evening with the approach of a cold
front, which will move off the coast after midnight Thursday
night. Not much of a wind shift will occur behind the front,
although it will be accompanied by scattered to numerous showers,
and isolated thunderstorms. Winds will become more westerly by
late Friday night as a weak surface trough approaches the coast
from the west.

Long term Saturday through Monday ...

as of 325 pm Wednesday... A front will shift off the coast
Saturday night followed by high pressure building in from the
northwest through Sunday night. The high will build over the waters
during Monday. Southwest winds ahead of the front Saturday will
veer to a westerly direction Saturday evening, then turn northerly
in the wake of the front by Sunday morning. Variable flow is
expected Monday as the high builds overhead. Seas of 3 to 4 ft
are possible during Sunday, otherwise they will subside to around
2 ft Monday with a weak pressure gradient overhead.

Ilm watches warnings advisories
Sc... None.

Nc... None.

Marine... None.

Near term... Rjd jdw
short term... Crm
long term... Srp
aviation... Iii


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 22 mi43 min WSW 1.9 G 2.9 63°F 63°F1009.7 hPa
41110 - Masonboro Inlet, NC 24 mi31 min 63°F4 ft
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 24 mi113 min SW 3.9 G 5.8 64°F 63°F1008.8 hPa
WLON7 29 mi43 min 62°F 64°F1009.3 hPa
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 33 mi53 min WSW 7.8 G 12 65°F 66°F1009.7 hPa
41159 34 mi31 min 66°F5 ft
41064 34 mi53 min W 7.8 G 12 66°F 66°F1007.5 hPa
BFTN7 - 8656483 - Beaufort, NC 48 mi43 min W 1.9 G 2.9 62°F 65°F1009.4 hPa

Wind History for Wrightsville Beach, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
MCAS New River, NC18 mi65 minWSW 710.00 miFair60°F57°F90%1009.6 hPa

Wind History from NCA (wind in knots)
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Last 24hrS6S6S4S4S5SW5SW6SW9S4S10
G16
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W9W4SW4SW4SW4SW7
1 day agoE11SE15
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--E17
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E9E10E10E7SE9SE7E5E9SE8SE10SE10SE7SE8SW5S4S5
2 days agoE6E7E11NE7E6NE4E6E13E16
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Tide / Current Tables for Ocean City Beach (fishing pier), North Carolina
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Ocean City Beach (fishing pier)
Click for Map
Thu -- 04:41 AM EDT     Moonset
Thu -- 05:16 AM EDT     4.61 feet High Tide
Thu -- 06:25 AM EDT     Sunrise
Thu -- 11:30 AM EDT     -0.22 feet Low Tide
Thu -- 04:35 PM EDT     Moonrise
Thu -- 05:50 PM EDT     4.65 feet High Tide
Thu -- 07:50 PM EDT     Sunset
Thu -- 11:58 PM EDT     -0.11 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
0.31.12.23.34.24.64.53.82.61.40.4-0.1-0.10.41.42.73.74.44.64.23.32.110.2

Tide / Current Tables for New Topsail Inlet, North Carolina
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New Topsail Inlet
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Thu -- 04:41 AM EDT     Moonset
Thu -- 05:33 AM EDT     3.22 feet High Tide
Thu -- 06:26 AM EDT     Sunrise
Thu -- 12:31 PM EDT     -0.14 feet Low Tide
Thu -- 04:36 PM EDT     Moonrise
Thu -- 06:07 PM EDT     3.25 feet High Tide
Thu -- 07:51 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
00.30.91.92.73.13.22.92.31.50.80.2-0.1-0.10.41.32.22.93.23.12.721.20.5

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 (2,6,7,8)
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Ground Weather Radar Station Morehead City, 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.