Tuesday, April20, 2021
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Marine Weather and Tides
Swan Quarter, NC

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:27AMSunset 7:46PM Tuesday April 20, 2021 5:32 AM EDT (09:32 UTC) Moonrise 11:36AMMoonset 1:37AM Illumination 60% Phase: Waxing Gibbous; Moon at 8 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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AMZ135 Pamlico Sound- 403 Am Edt Tue Apr 20 2021
Today..N winds around 5 kt, becoming se late this morning and afternoon. Waves 1 ft or less.
Tonight..S winds 10 to 15 kt. Waves 1 ft or less. A slight chance of showers after midnight.
Wed..S winds 5 to 10 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Waves 1 ft or less, then 2 to 3 ft in the afternoon. A slight chance of showers and tstms in the afternoon.
Wed night..NW winds 20 to 25 kt with gusts up to 35 kt. Waves around 3 ft. A chance of showers and tstms in the evening.
Thu..NW winds 15 to 20 kt. Waves 2 to 3 ft.
Thu night..NW winds 10 to 15 kt. Waves around 2 ft.
Fri..W winds 10 to 15 kt, becoming sw. Waves 1 ft or less.
Sat..SW winds 15 to 20 kt, becoming S 20 to 25 kt. Waves 2 to 4 ft. Showers likely. Winds and waves higher in and near tstms.


7 Day Forecast for Marine Location Near Swan Quarter, NC
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location: 35.45, -76.28     debug


Area Discussion for - Newport/Morehead City, NC
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FXUS62 KMHX 200610 AFDMHX

Area Forecast Discussion National Weather Service Newport/Morehead City NC 210 AM EDT Tue Apr 20 2021

SYNOPSIS. Low pressure will lift northeast of the region tonight with high pressure crossing Tuesday. A strong cold front moves through the area late Wednesday. High pressure will build in from the west Thursday and Friday. Next storm system will arrive in the region by next weekend.

NEAR TERM /UNTIL 6 AM THIS MORNING/. As of 1010 PM Monday . Drier air continues to surge into eastern NC as all precipitation has moved well offshore. Skies have cleared except for a few patches of lower clouds over the central Outer Banks. While north winds remain gusty along the immediate coast, winds have gone calm inland and already some patchy fog is being observed around Greenville. With nearly calm winds and clear skies, the potential for patchy fog will continue through the early morning hours of Tuesday. Lowered minimum temperatures a degree or so based on current readings. Lows tonight mainly mid/upper 40s, with low/mid 50s beaches.

SHORT TERM /6 AM THIS MORNING THROUGH 6 PM WEDNESDAY/. As of 245 PM Mon . Dry weather expected as transitory high pres slides through ahead of next deep shortwave trough digging through the central plains states. Skies will be PC to mclr with highs near climo in the 70s.

LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/. As of 330 AM Mon . A strong cold front will push through the area Wednesday afternoon, with much cooler air behind it and potential for frost. A potentially strong low pressure area and cold front will push through next weekend.

Tuesday night through Wednesday . Area will be under influence of strengthening return flow Tue night and esp Wed, as stronger front is progged to push through by late in the day. 19/00z guidance still in good agreement wrt timing, pushing the front offshore by early Wed evening. Global model suite still in disagreement on how much moisture return is available for thunderstorm development. ECM continues more robust with moisture, esp nrn half, and have cont to advertise chc pops here, with only slgt chc south where more iso covg expected. Some sfc based instability forms along with strong shear (50+ kt bulk shear) in place, so if any storms can organize, a strong to marginally severe storm would be possible.

Wednesday night through Friday . Much cooler and drier airmass expected behind the front with high pressure building in from the W. We could have some frost concerns, mainly inland zones. Coldest night still looks to be Thu night/Fri morning as center of high pres will be closer to ENC. EC/GFS mos guidance show lows falling into the low to mid 30s. Have edged temps down a few degrees, advertising widespread mid 30s inland from the coast Fri morning. Highs Thu and Fri generally in the 60s with dewpoints only in the 20s each afternoon.

Saturday through Sunday . Temps rebound quickly back to near climo Sat as progressive shortwave advances eastward through the ern CONUS. 19/00Z global models all have a potential strong storm system and cold front impacting the area by Sat, and have inc pops to low end likelies. The ECM is esp ominous with this system, indicating a deepening low pres system tracking through the cntrl Carolinas. This scenario would certainly produce a severe weather threat, as GOM moisture would be plentiful with deep layer srly flow in place. Second half of the weekend should be dry with subsident flow behind departing system.

AVIATION /06Z TUESDAY THROUGH SATURDAY/. Short Term /through 06Z Weds/ . As of 2 AM Tuesday . Clear skies and calm winds inland will bring about increasing patchy fog as radiational cooling persists. At least several hours of IFR to LIFR vis/ceilings possible at all terminals through sunrise, with said conditions ongoing at PGV and EWN already. After sunrise, VFR prevails as light winds in the morning becomes increasingly southerly through the afternoon.

Long Term /Tuesday night through Friday/ . As of 330 AM Mon . Pred VFR conditions expected through the period. Mainly dry Tue night, then another chc of showers or storms Wed as a strong cold front approaches.

MARINE. Short Term /Tonight and Tuesday/ . As of 2 AM Tuesday . 3-5 ft seas and N winds around 10-15 justify dropping the remaining SCAs early this morning. High pres will slide offshore today with light winds in morn becoming S 10 to 15 kt late. Seas mainly 2 to 3 ft today.

Long Term /Tuesday night through Friday/ . As of 330 AM Mon . Have used a heavier blend of the NBM, as NWPS generally too low on seas through the period. A strong cold front will approach the waters Wednesday, pushing through Wednesday afternoon and early evening. SCA conditions likely to develop Wed afternoon with gusty SW flow ahead of the front, then stronger NW winds 20-30 kt and seas 4-7 ft developing behind it. Conditions improve with diminishing winds and seas by Thu.

MHX WATCHES/WARNINGS/ADVISORIES. NC . None. MARINE . None.

SYNOPSIS . MHX NEAR TERM . CTC SHORT TERM . RF LONG TERM . TL AVIATION . RF/CTC/TL/CB MARINE . RF/CTC/TL


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
HCGN7 - 8654467 - Hatteras, NC 35 mi44 min N 7 G 8 57°F 62°F1016.1 hPa
ORIN7 - 8652587 - Oregon Inlet Marina, NC 46 mi50 min N 4.1 G 5.1 51°F 61°F1016 hPa
BFTN7 - 8656483 - Beaufort, NC 55 mi44 min N 1.9 G 2.9 55°F 68°F1017 hPa

Wind History for USCG Station Hatteras, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure

Link to 5 minute data for KNBT

Wind History from NBT (wind in knots)
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SW13SW8SW8SW6W9W9W15NW14N12N12N8--W4SW4SW6NW8NW11
2 days agoE7NE7NE9NE5NE5CalmCalmW4W3SW4CalmCalm4--E7E9E10S11S13
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Tide / Current Tables for Ocracoke, Ocracoke Island, North Carolina (2)
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Ocracoke
Click for Map
Tue -- 02:03 AM EDT     1.04 feet High Tide
Tue -- 02:35 AM EDT     Moonset
Tue -- 03:00 AM EDT     First Quarter
Tue -- 06:25 AM EDT     Sunrise
Tue -- 09:06 AM EDT     0.26 feet Low Tide
Tue -- 12:35 PM EDT     Moonrise
Tue -- 02:39 PM EDT     0.90 feet High Tide
Tue -- 07:40 PM EDT     Sunset
Tue -- 09:08 PM EDT     0.23 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.81110.90.70.60.40.30.30.30.40.60.80.90.90.80.70.60.40.30.20.30.4

Tide / Current Tables for Ocracoke, Ocracoke Island, North Carolina
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Ocracoke
Click for Map
Tue -- 01:59 AM EDT     1.00 feet High Tide
Tue -- 02:35 AM EDT     Moonset
Tue -- 03:00 AM EDT     First Quarter
Tue -- 06:25 AM EDT     Sunrise
Tue -- 08:24 AM EDT     0.27 feet Low Tide
Tue -- 12:35 PM EDT     Moonrise
Tue -- 02:20 PM EDT     0.74 feet High Tide
Tue -- 07:40 PM EDT     Sunset
Tue -- 07:54 PM EDT     0.18 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.80.910.90.80.60.50.30.30.30.30.40.50.60.70.70.60.50.30.20.20.20.30.4

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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