Wednesday, December11, 2019
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Marine Weather and Tides
Hatteras, NC

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:03AMSunset 4:58PM Wednesday December 11, 2019 1:54 PM EST (18:54 UTC) Moonrise 4:40PMMoonset 6:14AM Illumination 100% Phase: Full Moon; Moon at 15 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- 1219 Pm Est Wed Dec 11 2019
.small craft advisory in effect through Sunday evening...
This afternoon..N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Dominant period 8 seconds.
Tonight..N winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Dominant period 7 seconds.
Thu..NE winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 8 ft. Dominant period 7 seconds. A slight chance of showers.
Thu night..NE winds 20 to 25 kt with gusts up to 30 kt, becoming E 10 to 15 kt after midnight. Seas 5 to 7 ft. Dominant period 7 seconds. A chance of showers.
Fri..SE winds 10 to 15 kt. Seas 5 to 7 ft. A chance of showers in the morning, then showers likely in the afternoon.
Fri night..S winds 20 to 25 kt with gusts up to 35 kt. Seas 5 to 8 ft, building to 7 to 10 ft after midnight. Showers with a chance of tstms.
Sat..W winds 20 to 25 kt. Seas 7 to 10 ft, subsiding to 6 to 8 ft. Showers.
Sun..W winds 20 to 25 kt, becoming nw 10 to 15 kt. Seas 5 to 8 ft, subsiding to 4 to 6 ft. Winds and seas higher in and near tstms.


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 111743 AFDMHX

Area Forecast Discussion National Weather Service Newport/Morehead City NC 1243 PM EST Wed Dec 11 2019

SYNOPSIS. A strong cold front will exit the area this morning with high pressure building south from the Great Lakes. Another cold front and low pressure area will Friday into early Saturday. High pressure will then build over the region Sunday into Monday. Another low pressure area and cold front may move through by Tuesday.

NEAR TERM /UNTIL 6 PM THIS EVENING/. As of 1230 PM Wednesday . Band of stubborn stratus continues to hold tough over the central and eastern CWA, but should dissipate as dewpoints start to drop over the next few hours. Light sprinkles or drizzles should be ending in the next hour or so PoPs have been dropped for the remainder of the day. Temperatures will change very little through the afternoon, remaining in the upper 40s to lower 50s.

SHORT TERM /6 PM THIS EVENING THROUGH 6 AM THURSDAY/. As of 245 AM Wednesday . Strong high pressure builds in from the north during the evening as dew points drop further into the low 20s by Thursday morning. Skies will quickly trend mostly clear overnight, but with N/NE gradient winds expected to remain up to 5-10 knots temps no effective radiational cooling is expected. Regardless, lows will fall to around freezing and as low as the upper 20s in the coastal plain, with lows around 40 OBX where even stronger winds are expected.

LONG TERM /THURSDAY THROUGH TUESDAY/. As of 4 AM Wed . Periods of unsettled weather expected through the long term period, with roller coaster temps as a progressive/amplified active weather pattern is expected to continue.

Thursday through Thursday night . Strong high pressure will build in from the north with much cooler and drier air mass. Lows will be near or below freezing for all but the coastal areas on Thur morning, where brisk NNE winds will keep temps in the 30s and low 40s here. Despite the widespread sunshine, highs Thu only in the upr 40s/low 50s. Thur night will exhibit a non-diurnal temp curve, with lows likely being realized before midnight, thereafter clouds and increasing TD's ahead of next system will bring temps up towards daybreak, esp near the coast. There may even be a stray shower that brushes the OBX zones late overnight Thur.

Friday through Saturday . Rain chances inc Fri as deep srly flow increases with digging long wave trough across the lower MS River Valley, which will spur low pressure development over the deep south. This low will ride up the coast rapidly, with rain becoming likely through the day Fri, peaking Fri evening when best UVV/Fgen/PWATS will converge. Maintained the categorical pops this period, as good model to model consistency as well as spaghetti ensembles converging on this solution. Widespread moderate to heavy rain will be possible. Depending on exact track of the low, there could be potential for strong to even severe storms if storm track is further inland. Latest 11/00Z ECM continues to indicate aoa 500 J/KG of sfc based capes advecting into the area with plentiful shear overnight Friday. Upr trough will still be west of the region though deepest moisture will be offshore Sat morning. Could be quite a bit of showers around first half of Sat due to good forcing with upr trough, and have a likely pop for most of the area early, with rapid drying later in the day. It will be mild both days with highs in the 60s.

Sunday through Monday . Drier conditions with near to above normal temps expected late weekend to early next week as quasi zonal flow develops.

Tuesday . Next potent cold front and possible low pressure system quickly advance towards the region by Mon night or Tue, and introduced high chc pops to account for this. Continued warm as swrly flow ahead of the system will be present.

AVIATION /18Z WEDNESDAY THROUGH MONDAY/. Short Term /through 18Z Thursday/ . As of 1240 PM Wednesday . MVFR conditions will continue for a few hours this afternoon as northerly winds continue to bring some low clouds into the TAF area, as seen on satellite. Some drier air is beginning to filter in now along the NC/VA border, so we should see conditions quickly improve to VFR by late afternoon. Otherwise, dry conditions and VFR will prevail overnight into Thursday with no fog or stratus expected.

Long Term /Thur through Sunday/ . As of 4 AM Wed . Dry weather expected Thu as high pres in control. Some inc in clouds on Thur night ahead of next system. The low pressure area will quickly advance in on Friday, with sub VFR expected possibly into Sat morning with widespread rain showers and low clouds. Return to VFR later Sat into Sun.

MARINE. Short Term /Today and Tonight/ . As of 1230 PM Wednesday . Winds have trended to less than 25 knots over the Sounds and have dropped the SCA for these areas. However, with another northerly surge indicated by the high-res guidance later tonight, have issued another SCA for the Pamlico, Albemarle, Croatan and Roanoke Sounds and Alligator River beginning later this evening. All other SCA's continue in effect on the coastal waters as winds continue to gust to as high as 31 knots at Diamond Buoy with seas as high as 9 feet off Nags Head and Oregon Inlet. There may be a lull in the winds later this afternoon and early evening, before ramping up again after midnight.

Long Term /Thu through Sunday/ . As of 4 AM Wed . No changes to previous thinking with an active weather pattern expected through the end of the week and into the weekend which will result in hazardous boating conditions with strong winds and elevated seas AOA 6 ft through the period. Winds will continue N 15-25 kt into Thur with large dangerous seas continuing above 6 ft through at least Sat as yet another storm system moves through the waters Fri night and Sat with winds switching to srly and swrly 15-25 kt with higher gusts.

MHX WATCHES/WARNINGS/ADVISORIES. NC . None. MARINE . Small Craft Advisory from 1 AM to 4 PM EST Thursday for AMZ131- 135-230-231. Small Craft Advisory until 7 PM EST Sunday for AMZ150-152-154- 156-158.

SYNOPSIS . MHX NEAR TERM . CTC SHORT TERM . MS LONG TERM . TL AVIATION . TL/ML MARINE . CTC/TL/MS


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HCGN7 - 8654467 - Hatteras, NC 17 mi54 min N 24 G 29 45°F 58°F1026.3 hPa (-0.3)
41025 - Diamond Shoals 18 mi34 min N 23 G 29 52°F 72°F1025 hPa48°F
CLKN7 - Cape Lookout, NC 50 mi54 min N 17 G 21 47°F 1027 hPa (-0.0)47°F

Wind History for USCG Station Hatteras, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hatteras, Mitchell Field, NC18 mi63 minN 12 G 2310.00 miOvercast47°F39°F77%1026.1 hPa

Link to 5 minute data for KHSE

Wind History from HSE (wind in knots)
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Tide / Current Tables for Hatteras Inlet, North Carolina (2)
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Hatteras Inlet
Click for Map
Wed -- 12:07 AM EST     -0.03 feet Low Tide
Wed -- 06:15 AM EST     Moonset
Wed -- 06:32 AM EST     2.37 feet High Tide
Wed -- 07:01 AM EST     Sunrise
Wed -- 01:02 PM EST     0.03 feet Low Tide
Wed -- 04:39 PM EST     Moonrise
Wed -- 04:51 PM EST     Sunset
Wed -- 06:50 PM EST     1.90 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-00.10.411.622.32.32.11.61.10.60.200.20.511.51.81.91.71.30.80.4

Tide / Current Tables for Hatteras Inlet, North Carolina
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Hatteras Inlet
Click for Map
Wed -- 12:12 AM EST     -0.27 feet Low Tide
Wed -- 06:15 AM EST     Moonset
Wed -- 06:38 AM EST     2.12 feet High Tide
Wed -- 07:00 AM EST     Sunrise
Wed -- 01:03 PM EST     -0.29 feet Low Tide
Wed -- 04:39 PM EST     Moonrise
Wed -- 04:50 PM EST     Sunset
Wed -- 06:58 PM EST     1.61 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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-0.3-0.20.10.71.21.82.12.11.91.40.80.3-0.1-0.3-0.20.20.71.11.51.61.51.10.60.2

Weather Map
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wmap_A
GEOS Local Image of    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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Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Newport/Morehead City, NC (13,3,4,5)
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Ground Weather Radar Station Morehead City, NC
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