Friday, April20, 2018 L-36.com


Marine Weather and Tides
Hatteras, 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 6:27AMSunset 7:45PM Friday April 20, 2018 11:45 PM EDT (03:45 UTC) Moonrise 9:09AMMoonset 11:42PM Illumination 32% Phase: Waxing Crescent; Moon at 6 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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AMZ170 /o.con.kmhx.ma.w.0020.000000t0000z-180404t2245z/ 547 Pm Edt Wed Apr 4 2018
.a special marine warning remains in effect until 645 pm edt... For the following areas... Albemarle sound... Alligator river... S of currituck beach light nc to oregon inlet nc out to 20 nm... Waters from currituck beach light to oregon inlet nc from 20 to 40 nm... At 546 pm edt, strong Thunderstorms were located along a line extending from near south tower to 11 nm northeast of ar130 to near the vicinity of mashoes, moving east at 35 knots. Hazard...wind gusts to 40 knots and small hail. Source...radar indicated. Impact...small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Kitty hawk, kill devil hills, the center of croatan sound, ar145, alligator river bridge, nags head, the vicinity of mashoes, ar140, oregon inlet, ar130, the center of roanoke sound, duck and the mouth of the alligator river. Precautionary/preparedness actions... Move to safe harbor immediately as gusty winds and high waves are expected. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the coast guard or the national weather service. && lat...lon 3592 7486 3581 7496 3576 7583 3589 7586 3579 7594 3582 7612 3614 7587 3607 7580 3609 7574 3622 7577 3623 7501 time...mot...loc 2146z 268deg 34kt 3631 7521 3616 7540 3597 7575 hail...<.75in wind...40kts

7 Day Forecast for Marine Location Near Hatteras, NC
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location: 34.96, -75.69     debug


Area Discussion for - Newport/Morehead City, NC
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Fxus62 kmhx 210151
afdmhx
area forecast discussion
national weather service newport morehead city nc
951 pm edt Fri apr 20 2018

Synopsis
High pressure will build in from the north through the weekend.

Slow moving low pressure will impact the area early to mid next
week.

Near term until 6 am Saturday morning
As of 930 pm fri... No changes planned with clear skies and cold
temps as high pres builds in from the nw.

Prev disc... Secondary high center develops over eastern nc
tonight as an extension of the parent high over the great lakes
region and will remain over the region through Saturday. This
system will continue to produce cool dry conditions over the
area. There is some concern tonight that patchy light frost will
develop inland as winds decouple later this evening leading to
strong radiational cooling with clear skies expected. With
dewpoints forecast to be in the mid to upper 30s, will forecast
lows in a similar range and forecast patchy light frost in areas
where the low temps is forecast to be <= 36f. Winds may stay
mixed from the southern outer banks to downeast carteret county
where lows will be in the lower 40s, otherwise expect mid to
upper 30s.

Short term 6 am Saturday morning through 6 pm Saturday
As of 330 pm fri... High pressure will remain over the area
Saturday with continued clear skies, light winds and below
normal temps. Highs will range from the low 50s northern outer
banks to the mid 60s inland.

Long term Saturday night through Friday
As of 330 pm fri...

Saturday night and Sunday... Sfc high pressure will prevail
across the region through Sunday with continued dry and
seasonably cool conditions. Highs will moderate into the mid to
upper 60s Sunday after a chilly start with lows Sat night in the
lower 40s.

Monday through Friday... Unsettled conditions are expected
through the period as a energetic mean upper trough develops
over the eastern us. Mon it appears that the surface high will
delay precipitation onset associated with a upper low lifting ne
out of the deep south and not expecting much rainfall before 8
pm (00z) with best chance south and west late. The upper low
will become an open wave as it becomes absorbed phases with a
northern stream shortwave Mon night and tue. This is when the
models track a developing low across the area. There is a
potential for heavy rains in excess of 1 inch Mon night into tue
as high theta-e air gets advected off the gulf-stream . Will
have to watch for isolated severe potential with inland tracking
surface low Tue and backed low level SE flow but instability
remains in question. Dry slotting will end the widespread
precipitation threat Tue evening as the sfc low lifts NE of the
area but additional mid level shortwave energy will drop from
the northern plains towards the southeast Wednesday with a weak
cold front associated with it and expected to push through thurs
with a secondary cold frontal passage possible on Friday
keeping the threat of showers in the forecast into at least thu.

The warming trend will continue through Thursday with highs in
the upper 60s low 70s inland Tue and low to mid 70s Wed and
thu. Cooler 60s are expected along the coast.

Aviation 01z Saturday through Wednesday
Short term through Saturday ...

as of 630 pm Friday... High pressure surface and aloft will
build into the region through the period bringing mainly clear
skies with a high confidence ofVFR conditions. Light mainly NE winds
are expected tonight and Saturday.

Long term Saturday night through Wednesday ...

as of 330 pm fri...VFR conditions will prevail into Mon morning
as high pressure influences the weather. Moisture will increase
across the region late Mon into Tue as low pressure tracks
across the area producing widespread rain subVFR conditions mon
night into tue. Improving conditions expected Wednesday with
the low lifting north of the area and drier air moving into the
region.

Marine
Short term through Saturday ...

as of 930 pm fri... Fcst looks good as winds and seas cont to
subside with high pres building in from the nw.

Prev disc... Winds have diminished to 15 kt or less across the
waters as high pressure builds over eastern nc tonight and
continues through sat. Wind speeds will remain 15 kt or less
tonight and Sat with the flow mainly ne. 3-5 ft seas this
evening will subside to 2 to 3 ft tonight and sat.

Long term Saturday night through Wednesday ...

as of 330 pm fri... Ne winds 10- 15 kt are expected Sat night
and Sunday as high pressure gradually shifts off the mid-
atlantic coast. Wind gradient will tighten Monday as a low
pressure system approaches the region from the gulf states,
expect winds to become ene 15-20 knots, then increasing to 20-30
knots Tuesday. Seas will generally be around 2-3 ft through
early Monday morning, then seas will build 4-6 ft throughout
Monday. Seas will continue to build Monday night and Tuesday as
the sfc low approaches the area, expect seas to reach as high
10-13 ft.

Winds become SW 10-15 kt Wed with elevated 7-10 ft seas
gradually subsiding to 5 to 8 ft late.

Mhx watches warnings advisories
Nc... None.

Marine... None.

Synopsis... Jme
near term... Rf jme
short term... Jme
long term... Jme bm
aviation... Rf bm
marine... Rf jme bm


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41025 - Diamond Shoals 16 mi36 min NNE 12 G 16 54°F 70°F1028.4 hPa40°F
HCGN7 - 8654467 - Hatteras, NC 17 mi46 min ENE 5.1 G 6 49°F 61°F1028.4 hPa (+1.7)
41063 18 mi106 min E 9.7 G 12 57°F 1028 hPa (+1.6)
CLKN7 - Cape Lookout, NC 50 mi46 min NE 6 G 7 1028.2 hPa (+1.9)

Wind History for USCG Station Hatteras, NC
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NE25
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SW18
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G24
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SW12
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G13
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SW9
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G19
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G22
SW18
G26
SW16
G24

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hatteras, Mitchell Field, NC18 mi55 minENE 510.00 miFair47°F37°F71%1028.5 hPa

Wind History from HSE (wind in knots)
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Last 24hrNE14
G25
N13
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N11
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N9
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N7
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N7NW9
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NE7NE8N96E7E4E4NE5NE5
1 day agoSW17
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G31
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G26
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G24
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W7E5NE15
G24
NE9
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2 days agoSW15
G21
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G25
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W8W533CalmSW5SW6S4S5SW9SW8SW10
G18
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G21
SW12
G21
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G24
SW18
G28
SW18
G25

Tide / Current Tables for Hatteras (ocean), North Carolina
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Hatteras (ocean)
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Fri -- 05:19 AM EDT     0.00 feet Low Tide
Fri -- 06:24 AM EDT     Sunrise
Fri -- 10:08 AM EDT     Moonrise
Fri -- 11:19 AM EDT     3.51 feet High Tide
Fri -- 05:20 PM EDT     0.03 feet Low Tide
Fri -- 07:39 PM EDT     Sunset
Fri -- 11:45 PM EDT     4.08 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
3.93.22.21.20.400.10.61.52.43.13.53.42.92.11.20.40.10.10.71.52.53.43.9

Tide / Current Tables for Hatteras Inlet, North Carolina
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Hatteras Inlet
Click for Map
Fri -- 05:40 AM EDT     0.12 feet Low Tide
Fri -- 06:24 AM EDT     Sunrise
Fri -- 10:08 AM EDT     Moonrise
Fri -- 11:42 AM EDT     2.13 feet High Tide
Fri -- 05:44 PM EDT     0.17 feet Low Tide
Fri -- 07:39 PM EDT     Sunset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.
12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm
2.52.21.610.50.20.10.40.81.31.82.12.11.91.510.50.20.20.40.81.41.92.3

Weather Map and Satellite Images
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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 (23,6,7,8)
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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.