Sunday, April22, 2018 L-36.com


Marine Weather and Tides
Frisco, 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 6:24AMSunset 7:47PM Sunday April 22, 2018 5:39 PM EDT (21:39 UTC) Moonrise 11:09AMMoonset 12:39AM Illumination 50% Phase: First Quarter Moon; Moon at 7 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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AMZ154 S Of Cape Hatteras To Ocracoke Inlet Nc Out 20 Nm Including The Monitor National Marine Sanctuary- 301 Pm Edt Sun Apr 22 2018
.gale warning in effect from late Monday night through Tuesday evening...
Tonight..E winds 10 to 15 kt. Seas 2 to 4 ft. Dominant period 6 seconds.
Mon..E winds 15 to 20 kt. Seas 4 to 6 ft. Dominant period 5 seconds.
Mon night..E winds 20 to 25 kt, becoming se 25 to 35 kt after midnight. Seas 5 to 8 ft, building to 8 to 11 ft after midnight. Dominant period 6 seconds. Scattered showers in the evening, then showers likely after midnight.
Tue..SE winds 25 to 30 kt with gusts up to 45 kt. Seas 9 to 13 ft, building to 12 to 14 ft in the afternoon. Dominant period 8 seconds. Showers with isolated tstms.
Tue night..SE winds 25 to 30 kt with gusts up to 40 kt, becoming S 15 to 20 kt with gusts up to 30 kt after midnight. Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. A chance of showers.
Wed..SW winds around 15 kt. Seas 6 to 9 ft. A chance of showers in the morning.
Wed night..W winds 10 to 15 kt. Seas 5 to 7 ft.
Thu..NW winds around 5 kt, becoming sw around 5 kt. Seas 4 to 5 ft.
Fri..SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers. Winds and seas higher in and near tstms.

7 Day Forecast for Marine Location Near Frisco, NC
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location: 35.22, -75.64     debug


Area Discussion for - Newport/Morehead City, NC
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Fxus62 kmhx 221945
afdmhx
area forecast discussion
national weather service newport morehead city nc
345 pm edt Sun apr 22 2018

Synopsis
A slow moving low pressure system will affect the area Monday
through Tuesday. Another low pressure system is expected to move
through the region late next week.

Near term through Monday
As of 345 pm sun... High pressure will slide off the coast
through this evening, as surface and upper low slowly approach
from the west. Mid and upr WAA increase across the region, as
evidenced already by the thickening cirro stratus from the west.

Not as cool due to the cloud cover and light easterly flow with
low ranging from upr 40s interior to low mid 50s coast.

For Monday, overcast skies expected with a continued lowering of
cloud bases. UVV continues with advancement of low pressure and
vorticity advection aloft. May be some echoes on radar as early
as 12z, but nose of dry air centered around 800mb will be
stubborn to erode, so not much if any shower activity before
noon. Dry air gives way to continued moistening column, and
should see decent area of showers move in after 18z across wrn
zones, with likely showers west and iso sct showers east by
mid late afternoon. High temps will struggle towards the 70
degree mark due to the ovc skies and precip breaking out.

Short term Monday night through Tuesday
As of 345 pm sun... This period will be quite unsettled, as slow
moving low pres area passes just west of the fa. Continued
moistening of the column and steadily increasing fgen will mean
an increasing pop trend through the night, becoming categorical
all areas after around midnight. Little if any instability
present most of the night, though may see some elevated capes
advecting in to the SW zones by 12z, so included iso thunder
mention here.

For Tuesday, heaviest of the rain and gustiest winds expected as
southeasterly pres gradient is maximized. Will potentially see a
period of wind adv criteria for carteret county through the obx
zones, where winds will gust to 45 mph or higher. This will also
bring a myriad of coastal concerns (see coastal flood section
below). Moisture convergence is maximized tue, where widespread
rainfall amounts will total 1 to 2 inches, with localized
higher amounts. Will have to monitor for localized flooding, esp
if convective elements are involved, which is possible given
sfc based CAPE rising AOA 1000 j kg by afternoon. Best
shear forcing will be shunted north and east however, so it is
questionable on coverage of storms on Tuesday. Later shifts will
have to monitor severe threat, which would be more likely if
the slower 23 12z ECMWF and NAM verify. GFS and cmc are faster
with the system and keep thunder threat quite low.

Long term Tuesday night through Sunday
As of 345 am sun... Surface high pressure will be off the mid-
atlantic, influencing the weather across north carolina, while
a low pressure system lifts towards the carolinas from the gulf
states through midweek. A though pattern will continue through
the weekend leading to additional showers.

Tuesday night through the weekend... Rain will become more
scattered and taper off as the sfc low lifts NE and drier air
filters in. Most places will have a break from rain Wednesday
night until the other aforementioned shortwave trough and it's
associated weak cold front approaches the area with rain
redeveloping again Thursday. Then another cold front will
approach the area Friday and push through Saturday with more
rain showers. Expect highs in the 70s inland and 60s along the
outer banks during the forecast period.

Aviation 19z Sunday through Friday
Short term through Monday ...

as of 100 pm sun... Will continue to indicateVFR conditions
through the TAF period though clouds will be thickening and
lowering late tonight through Mon afternoon as moisture
increases ahead of an approaching low pressure center. Not out
of the question that scattered MVFR ceilings develop late
tonight and early Mon as the flow becomes SE but a much stronger
signal for subVFR conditions is indicated after 18z (2 pm) mon
as rain begins to advance into the area ahead of the low.

Long term Monday night through Friday ...

as of 100 pm sun... MVFR to ifr conditions Mon night and Tue as
a low pressure system tracks across the carolinas producing
widespread rain and gusty winds. Conditions will improve to
mostlyVFR Wednesday through Friday, but the threat of isolated
to scattered showers will continue each day with a possibility
of brief sub-vfr conditions.

Marine
Short term through Monday ...

as of 345 pm sun... Latest obs indicate NE winds 10-15 kt across
the marine domain. High pressure will continue to move offshore
tonight ahead of approaching low pressure system to the west.

Pres gradient will slowly inc as a result, with NE winds
becoming east by sunrise and inc to 15-20 kt. The gradient
continues to strengthen Monday with 15-25 kt by afternoon with
winds slowly veering se. Seas respond by building 6+ ft by
afternoon. Issued gale warnings for waters south of oregon inlet
as further strenthening of winds expected Mon night, and gale
watch for pamlico sound as winds will likely reach gales by
Tuesday.

Long term Wednesday through Friday ...

as of 630 am sun... As the low lifts ne, winds will become sw
10-15 knots Wednesday. A weak cold front is expected to push
through Thursday, resulting in winds becoming NW 5-15 knots.

Seas will build 5-7 ft throughout Monday, and continue to build
as the sfc low approaches the area, expect seas to reach as high
10-15 ft Tuesday. Seas will gradually start to subside Tuesday
night with seas becoming 5-8 ft Wednesday and then around 5 ft
Thursday.

Tides coastal flooding
As of 345 pm sun... A low pressure system will impact the region
Monday night through Tuesday. Strong SE winds will develop,
resulting in many coastal impacts across eastern nc. Minor
coastal flooding will be possible as early as late Monday night
but especially Tuesday, for areas adjacent to the pamlico sound
and rivers, as strong southeast winds develop. Minor coastal
flooding, beach erosion, and overwash will be possible late Monday
night through Tuesday night for areas along the immediate
coast. Rough surf, dangerous shore break, and a high rip
current risk are expected along the beaches.

Mhx watches warnings advisories
Nc... None.

Marine... Gale warning from 2 am to 8 pm edt Tuesday for amz152-154.

Gale warning from 2 am to 2 pm edt Tuesday for amz156-158.

Gale watch from Tuesday morning through Tuesday evening for
amz135.

Synopsis... Tl
near term... Tl
short term... Tl
long term... Bm
aviation... Jme bm
marine... Tl bm
tides coastal flooding... Mhx


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HCGN7 - 8654467 - Hatteras, NC 3 mi52 min ENE 13 G 16 57°F 62°F1027.8 hPa
41025 - Diamond Shoals 19 mi40 min NNE 16 G 21 61°F 74°F1028.1 hPa (-0.9)55°F
41063 34 mi160 min ENE 9.7 G 12 61°F 1028 hPa (-1.1)
44095 40 mi52 min 51°F2 ft
ORIN7 - 8652587 - Oregon Inlet Marina, NC 40 mi58 min NE 9.9 G 13 53°F 58°F1028.5 hPa
41062 48 mi100 min 12 G 16 1029.2 hPa (-0.9)

Wind History for USCG Station Hatteras, NC
(wind in knots)    EDIT      (on/off)   Help
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NE6
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NE8
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NE7
N27
NE15
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G24
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NW14
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NE8
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G12
NE9
G12

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hatteras, Mitchell Field, NC1 mi49 minNE 8 G 1610.00 miFair61°F45°F56%1028 hPa

Wind History from HSE (wind in knots)
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Last 24hrE8E5NE4NE6E5E5E5E4NE4NE4NE5NE5NE5NE5NE4N46NE7N7NE7NE9NE7NE8
G15
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G16
1 day ago6E7E4E4NE5NE5NE4E4NE5NE4NE5NE5NE4NE4NE6NE8NE7
G15
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2 days agoE5NE15
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NE10
G15
NE7NE8N9

Tide / Current Tables for Cape Hatteras (fishing pier), North Carolina
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Cape Hatteras (fishing pier)
Click for Map
Sun -- 12:54 AM EDT     3.61 feet High Tide
Sun -- 01:39 AM EDT     Moonset
Sun -- 06:21 AM EDT     Sunrise
Sun -- 07:31 AM EDT     0.04 feet Low Tide
Sun -- 12:08 PM EDT     Moonrise
Sun -- 01:29 PM EDT     2.61 feet High Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:25 PM EDT     0.11 feet Low Tide
Sun -- 07:41 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.43.63.42.821.20.50.10.10.411.72.32.62.62.31.710.50.10.20.51.22

Tide / Current Tables for Cape Hatteras, North Carolina
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Cape Hatteras
Click for Map
Sun -- 12:55 AM EDT     3.61 feet High Tide
Sun -- 01:38 AM EDT     Moonset
Sun -- 06:21 AM EDT     Sunrise
Sun -- 07:32 AM EDT     0.05 feet Low Tide
Sun -- 12:08 PM EDT     Moonrise
Sun -- 01:30 PM EDT     2.61 feet High Tide
Sun -- 05:46 PM EDT     First Quarter
Sun -- 07:26 PM EDT     0.11 feet Low Tide
Sun -- 07:40 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.43.63.42.821.20.50.10.10.411.72.22.62.62.31.71.10.50.10.20.51.22

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 Newport/Morehead City, NC (17,4,5,8)
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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.