Saturday, October23, 2021
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Marine Weather and Tides
Rodanthe, NC

Version 3.4
NOTICE
3/30/2021 -- ANZ330 has been split into ANZ331 and ANZ332. Click EDIT in Marine Forecast and select your new zone.
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 7:18AMSunset 6:20PM Saturday October 23, 2021 4:19 PM EDT (20:19 UTC) Moonrise 7:09PMMoonset 9:00AM Illumination 91% Phase: Waning Gibbous; Moon at 18 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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AMZ231 Croatan And Roanoke Sounds- 348 Pm Edt Sat Oct 23 2021
Tonight..NW winds around 5 kt. Waves flat.
Sun..NE winds around 5 kt, becoming se 5 to 10 kt in the afternoon. Waves flat, increasing to light chop in the afternoon.
Sun night..S winds 10 to 15 kt. Waves a moderate chop.
Mon..S winds 10 to 15 kt. Waves a moderate chop. A chance of showers with a slight chance of tstms in the afternoon.
Mon night..S winds around 15 kt. Waves a moderate chop. Showers likely with a slight chance of tstms.
Tue..W winds 10 to 15 kt, becoming nw 15 to 20 kt with gusts up to 25 kt in the afternoon. Waves a moderate chop, increasing to choppy in the afternoon. Showers likely in the morning.
Tue night..NW winds 15 to 20 kt with gusts up to 25 kt. Waves choppy.
Wed..W winds 10 to 15 kt. Waves a moderate chop.
Thu..SW winds around 10 kt, becoming s. Waves light chop, increasing to a moderate chop. A chance of showers. Winds and waves higher in and near tstms.
AMZ200 342 Pm Edt Sat Oct 23 2021
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Weak high pressure centered across the southern appalachians this evening will quickly move east and offshore from the mid-atlantic coast Sun. Low pressure will pass by and remain offshore from the carolinas Sun night thru Mon with widely scattered showers possible. A cold frontal passage accompanied with scattered convection will push thru Mon night followed with possible sca conditions Tue. High pressure will build in Tue night thru Wed followed by an approaching strong cold frontal system Thu.


7 Day Forecast for Marine Location Near Rodanthe, NC
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location: 35.66, -75.64     debug


Area Discussion for - Newport/Morehead City, NC
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FXUS62 KMHX 231836 AFDMHX

Area Forecast Discussion National Weather Service Newport/Morehead City NC 236 PM EDT Sat Oct 23 2021

SYNOPSIS. High pressure will slide offshore Sunday. A cold front will push through the area Monday night into Tuesday morning, with high pressure building in behind it. A large low pressure system will affect the region Thursday and into Friday.

NEAR TERM /THROUGH TONIGHT/. As of 2 PM Sat . High pressure will become centered over the mid-Atlantic tonight. Calm winds and clear skies will allow for excellent radiational cooling conditions and continue to forecast lows a few degrees below guidance with mid to upper 40s inland to mid to upper 50s along the immediate coast. Guidance indicates little in the way of fog tonight but cannot rule out patchy shallow ground fog late.

SHORT TERM /SUNDAY/. As of 215 PM Sat . High pressure slides offshore Sunday with low level flow veering from NE early in the day to SE during the afternoon. Warm and dry conditions expected with mainly sunny skies but will likely see an increase in high clouds late. Highs expected in the upper 70s to lower 80s inland to mid 70s coast.

LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/. As of 245 AM Sat . High will slide offshore early next week, with warm temps continuing. A developing low pressure system pass to our north Monday night, and push a cold front through the area. High pressure then briefly builds in Tuesday and Wednesday, with another stronger storm system expected to affect the area Thursday and Friday.

Sunday night and Monday . High pressure remains offshore Sunday night into Monday. Continued moisture advection on Monday could yield some scattered showers or thunderstorms by the afternoon with some modest instability present. Highs Monday should climb into the low to mid 80s.

Monday Night through Wednesday . A developing area of low pressure will push into the Mid-Atlantic Monday night ahead of a sharp upper level shortwave. As the low moves offshore overnight, it will drag a cold front to its south through Eastern NC. A quick shot of rain with some scattered thunderstorms can expected across the area overnight. Will have to watch for the potential of any strong to severe storms given strong dynamics in place, however the unfavorable nocturnal passage of the front and lack of instability inland from the coast will be limiting factors.

The front will be offshore by mid morning Tuesday, and with most models now showing stronger CAA behind it, temperatures will only warm into the upper 60s to low 70s despite clearing skies. High pressure will try to build into the area Wednesday, however a stalled area of low pressure over the southern New England coast will keep low level heights from building much through the day, and another seasonable day is expected with highs ranging from the upper 60s to around 70.

Thursday and Friday . A deep upper level trough and/or cut off low will lumber across the central US next week reaching the Deep South early Thursday. Surface low pressure is then expected to deepen and race inland up the East coast Thursday and into Friday. With the latest forecast cycle, there are both significant timing and meteorological differences between the GFS, ECMWF, and CMC through this period. The GFS remains the fastest solution, and splits the low pressure system with one low occluding over the southern Great Lakes, while another low races to the NC coast and moves offshore and up the Eastern Seaboard. The ECMWF and CMC are much slower showing impacts from this system more on Friday than Thursday as the GFS has it. The ECMWF shows more of a classic Nor'Easter solution with low pressure moving eastward from the Deep South and off the NC coast before rapidly deepening and moving up the East Coast. The CMC seems to be somewhere in the middle of these two solutions. At any rate, given the uncertainty, will keep an extended period of chance PoPs for Thursday and into Friday.

The eventual speed and strength of the system will determine the impacts felt here, but there is some potential for heavy rain, severe weather, strong winds, and minor coastal flooding with this system.

AVIATION /18Z SATURDAY THROUGH THURSDAY/. SHORT TERM /through Sunday/ . As of 2 PM Sat . Pred VFR conditions expected through the TAF period with mainly clear skies and light winds. Despite excellent radiational cooling conditions, guidance is not indicating fog development tonight but cannot rule out patchy shallow ground fog late tonight.

LONG TERM /Sunday night through Wednesday/ . As of 325 AM Sat . High pressure builds into the area through Monday, with VFR conditions expected. A cold front will bring the potential for rain Monday night and into Tuesday morning, and some periods of sub-VFR conditions will be possible. VFR conditions return for the rest of Tuesday as well as Wednesday.

MARINE. SHORT TERM /through Sunday/ . As of 230 PM Sat . High pressure becomes centered across the mid-Atlantic states tonight then slides offshore Sunday. N to NW winds around 10 kt or less tonight veers to E to SE Sunday. Seas will continue around 2-3 ft.

LONG TERM /Sunday night through Wednesday/ . As of 325 AM Sat . Decent boating conditions are expected for the period, with high pressure in control until Monday night when a cold front moves through the coastal waters.

As high pressure slides farther offshore Sunday night, winds will slowly veer around to SSE 10-20 kts Sunday night. Winds subside slightly Monday morning, but then increase again to S 15-20 kts by Monday afternoon. By Monday night winds will peak at 15-25 kts just ahead of a cold front, and then turn to the W at 15-25 kts behind the front on Tuesday. Marginal Small Craft conditions will be possible both ahead of the front Monday night, and behind on Tuesday. Winds subside some Wednesday becoming W at 10-15 kts. Seas will be mostly 2-3 ft through Monday morning, and then build to 3-5 ft Monday afternoon through Tuesday, with some brief periods of 6 foot seas possible.

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

SYNOPSIS . MHX NEAR TERM . SK SHORT TERM . SK LONG TERM . SGK AVIATION . SK/SGK MARINE . SK/SGK


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
ORIN7 - 8652587 - Oregon Inlet Marina, NC 11 mi50 min N 7G11 72°F 71°F1014.5 hPa
44095 18 mi54 min 72°F2 ft
44086 26 mi54 min 71°F2 ft
HCGN7 - 8654467 - Hatteras, NC 31 mi50 min WNW 7G8 71°F 75°F1015 hPa
41120 33 mi54 min 73°F3 ft
DUKN7 - Duck Pier, NC - 8651370 37 mi50 min NE 4.1G5.1 69°F 70°F1014.3 hPa
44056 - Duck FRF, NC 38 mi54 min 71°F2 ft
44100 - Duck FRF 26m, NC (430) 41 mi54 min 71°F2 ft
41025 - Diamond Shoals 46 mi40 min NW 5.8G9.7 71°F 74°F1014.6 hPa67°F

Wind History for Oregon Inlet Marina, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Manteo / Dare County Regional, NC18 mi45 minNNW 510.00 miFair72°F56°F58%1015.2 hPa

Link to 5 minute data for KMQI

Wind History from MQI (wind in knots)
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Last 24hrS8SW8SW8SW10SW9SW50W4W3N3N4NE7NE6N9NE40N3N5N50W4N10NW7N6
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2 days agoN4SW4S3000SW300SW40W4W300SW4SW4W6W5W7W10SW7SW12
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Tide / Current Tables for Davis Slough, North Carolina
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Davis Slough
Click for Map
Sat -- 04:29 AM EDT     0.12 feet Low Tide
Sat -- 07:16 AM EDT     Sunrise
Sat -- 10:00 AM EDT     Moonset
Sat -- 10:30 AM EDT     1.07 feet High Tide
Sat -- 05:19 PM EDT     0.16 feet Low Tide
Sat -- 06:16 PM EDT     Sunset
Sat -- 08:08 PM EDT     Moonrise
Sat -- 10:47 PM EDT     0.88 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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Tide / Current Tables for Oregon Inlet Channel, North Carolina
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Oregon Inlet Channel
Click for Map
Sat -- 03:56 AM EDT     0.19 feet Low Tide
Sat -- 07:16 AM EDT     Sunrise
Sat -- 10:00 AM EDT     Moonset
Sat -- 10:12 AM EDT     1.53 feet High Tide
Sat -- 04:46 PM EDT     0.25 feet Low Tide
Sat -- 06:16 PM EDT     Sunset
Sat -- 08:08 PM EDT     Moonrise
Sat -- 10:29 PM EDT     1.25 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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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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