Monday, September20, 2021
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Marine Weather and Tides
Hatteras, 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 6:53AMSunset 7:08PM Monday September 20, 2021 12:51 AM EDT (04:51 UTC) Moonrise 6:17PMMoonset 5:15AM Illumination 98% Phase: Waxing Gibbous; Moon at 13 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- 949 Pm Edt Sun Sep 19 2021
Overnight..NE winds 10 to 15 kt. Seas 3 to 4 ft. Dominant period 9 seconds.
Mon..NE winds 10 to 15 kt. Seas 2 to 4 ft. Dominant period 8 seconds. A slight chance of showers in the afternoon.
Mon night..E winds 10 to 15 kt. Seas 3 to 5 ft. Dominant period 8 seconds. A slight chance of showers.
Tue..E winds 10 to 15 kt. Seas 3 to 5 ft. Dominant period 6 seconds. A slight chance of tstms. A slight chance of showers in the morning, then a chance of showers in the afternoon.
Tue night..SE winds 10 to 15 kt. Seas 4 to 6 ft. A slight chance of tstms. A chance of showers, mainly in the evening.
Wed..SE winds 15 to 20 kt. Seas 4 to 6 ft. A chance of showers.
Wed night..S winds 15 to 20 kt. Seas 5 to 7 ft. Showers likely.
Thu..S winds around 15 kt, becoming sw. Seas 5 to 7 ft. Showers likely, then a chance of showers.
Fri..N winds 10 to 15 kt. Seas 3 to 5 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 200145 AFDMHX

Area Forecast Discussion National Weather Service Newport/Morehead City NC 945 PM EDT Sun Sep 19 2021

SYNOPSIS. High pressure will build in from the north through early this week. A cold front slowly moves through on Thursday with dry high pressure building in late in the week through the weekend.

NEAR TERM /UNTIL 6 AM MONDAY MORNING/. As of 940 PM Sun . Isold shra near Tar River have been slow to dissipate but do appear to be weakening. Will keep slight pop in this area another hour or so then shld be mainly dry overnight.

Prev disc . High pressure will continue to build in from the north, making for another mainly dry night, with only an isolated shower or two still possible along the US Hwy 64 corridor west of Columbia. Lows generally 65-70 deg. Patchy fog will be possible again Monday morning.

SHORT TERM /6 AM MONDAY MORNING THROUGH MONDAY NIGHT/. As of 315 PM Sun . High pressure shifts off the New England coast tomorrow and tomorrow night, with onshore low level flow and strong mid level ridging persisting locally. Mainly dry conditions continue, with only a few showers coming off the western wall of the gulf stream and crossing the coastal waters, occasionally making it to shore. Highs reach the mid-80s, which is around normal, for most tomorrow given the mainly maritime airmass and partly cloudy skies. Mild temps again Monday night as low level WAA begins to trend up, with lows in the mid to upper 60s away from the beaches.

LONG TERM /TUESDAY THROUGH SUNDAY/. As of 315 AM Sun . Dry weather to start the extended period with increasing rain chances by mid week with a strong but slow moving cold front. Above normal temps in the middle 80s through Wednesday, will cool back to near or even below seasonal norms by Thu through the weekend.

Tuesday . Mainly dry weather still expected during this time with weak ridging over our area. Slightly better chances for some sct rain showers will occur Tuesday as a veering onshore flow moistens the atmosphere, and a coastal trof provides some lift. Summer will be holding on through the period with highs in the middle 80s by day and into the upper 60s to lower 70s by night with warm and humid pattern.

Wednesday through Thursday . Some model disagreements in the speed of the next cold front, but overall thinking has not changed with regard to the Wednesday and/or Thursday time period being our best chance for rain over the next 7 days. Have inc pops through this period, with highest chances centered now on Wed night, then tapering off through the day Thu. Latest trends with 19/00Z ECM/CMC indicate a slower soln, which may have heaviest rain centered early Thursday, and have inc pops a bit into first part of Thu to account for the slower trend. The reason being is the trough deepens over the OH/MS Valleys, which slows progression of the upper low and attendant cold front, finally passing through ENC by late Thu. Periods of heavy rain possible as PW's surge to 2+ inches with deep srly flow.

Friday through Sunday . Cooler and drier air mass builds in with high pres oozing into the ern CONUS. Hts near climo or slightly below will lead to slightly lower than avg temps with highs generally around 80 and lows in the mid 50s interior to mid 60s beaches.

AVIATION /02Z MONDAY THROUGH FRIDAY/. SHORT TERM /through Monday/ . As of 730 PM Sun . Tricky fcst as NAM shows widespread sub VFR cigs developing while bulk of guidance shows very little with some potential very late deep inland. Increasing onshore flow below a strengthening low to mid level inversion will bring the potential for lowering stratus overnight, but will lean toward majority of guidance and prev fcst with only deep inland sites poss have lower cigs late. Some patchy fog poss as well espcly inland. VFR returns within a couple of hours of sunrise Monday with sct to bkn CU expected with onshore flow.

LONG TERM /Monday Night through Friday/ . As of 315 AM Sun . Mainly VFR conditions expected through Tue. Sub VFR conditions develop Wed through first part of Thu as strong and slow moving cold front approaches and moves through the region bringing periods of showers.

MARINE. SHORT TERM /through Monday Night/ . As of 940 PM Sun . Fcst on track with NE winds mainly 10 to 15 kt and seas 2 to 4 ft overnight.

Prev disc . Moderate NE flow prevails tonight and Monday as high pressure moving across New England ridges down the coast. A moderate tightening of the gradient this evening could bring a brief period of gusts near 20 kt for the coastal waters and larger sounds, with 10-15 kt winds more prevalent otherwise. Flow becomes more easterly Monday night as the aforementioned high moves off the Northeast coast.

Seas remain around 3-4 ft through Monday night as the medium period NE swell gradually fades and modest easterly wind swell increases.

LONG TERM /Tuesday through Friday/ . As of 315 AM Sun . Fairly quiet and consistent conditions expected on the waters through the period, with mainly easterly component to the wind through the Tue.

Winds veer serly Wednesday ahead of a strong and slowly approaching cold front, then srly on early Thu just ahead of the front, becoming nwrly behind the front later Thu. Marginal SCA conditions may develop later Wed into Thu as winds veer to the south and inc to 15-20 kt with some higher gusts.

We may begin to see distant swells and higher seas after Thu with the possibility of a distant tropical system.

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

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


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41025 - Diamond Shoals 13 mi32 min NE 14 G 16 79°F 84°F1020.5 hPa77°F
HCGN7 - 8654467 - Hatteras, NC 17 mi52 min ENE 5.1 G 8 76°F 81°F1021.6 hPa (+0.6)
41120 30 mi56 min 79°F4 ft
CLKN7 - Cape Lookout, NC 50 mi52 min NE 14 G 15 80°F 1021.1 hPa (+0.8)

Wind History for USCG Station Hatteras, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Hatteras, Mitchell Field, NC18 mi61 minENE 510.00 miFair75°F71°F88%1021.3 hPa

Link to 5 minute data for KHSE

Wind History from HSE (wind in knots)
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Last 24hrCalmCalmCalmCalmN3N3CalmN3CalmCalmN7N55N5455NE4E4NE4E5NE4E5NE5
1 day ago65NE745455N666NE7N86NE7NE85NE6NE4NE4NE3NE4NE3E3
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Tide / Current Tables for Hatteras Inlet, North Carolina (2)
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Hatteras Inlet
Click for Map
Mon -- 01:44 AM EDT     0.12 feet Low Tide
Mon -- 06:15 AM EDT     Moonset
Mon -- 06:49 AM EDT     Sunrise
Mon -- 07:52 AM EDT     2.45 feet High Tide
Mon -- 02:02 PM EDT     0.14 feet Low Tide
Mon -- 07:02 PM EDT     Sunset
Mon -- 07:17 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 08:11 PM EDT     2.47 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.60.20.10.40.81.422.32.42.31.81.30.70.30.10.30.71.31.82.32.52.421.5

Tide / Current Tables for Hatteras Inlet, North Carolina
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Hatteras Inlet
Click for Map
Mon -- 01:50 AM EDT     0.22 feet Low Tide
Mon -- 06:15 AM EDT     Moonset
Mon -- 06:49 AM EDT     Sunrise
Mon -- 07:59 AM EDT     2.53 feet High Tide
Mon -- 02:09 PM EDT     0.20 feet Low Tide
Mon -- 07:02 PM EDT     Sunset
Mon -- 07:17 PM EDT     Moonrise
Mon -- 07:54 PM EDT     Full Moon
Mon -- 08:19 PM EDT     2.55 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.70.30.20.40.91.422.42.52.421.40.80.40.20.30.71.21.82.32.52.52.11.6

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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