Sunday, January17, 2021
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Marine Weather and Tides
Atlantic, NC

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:12AMSunset 5:23PM Sunday January 17, 2021 2:40 PM EST (19:40 UTC) Moonrise 10:17AMMoonset 9:58PM Illumination 20% Phase: Waxing Crescent; Moon at 4 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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AMZ156 S Of Ocracoke Inlet To Cape Lookout Nc Out 20 Nm- 222 Pm Est Sun Jan 17 2021
.small craft advisory in effect through late Monday night...
Tonight..W winds 15 to 20 kt, increasing to 20 to 25 kt after midnight. Seas 3 to 5 ft. Dominant period 5 seconds. Adjacent sounds and rivers choppy, increasing to rough after midnight.
Mon..W winds 15 to 20 kt. Gusts up to 30 kt in the afternoon. Seas 3 to 5 ft. Dominant period 6 seconds. Adjacent sounds and rivers choppy.
Mon night..NW winds 15 to 20 kt. Gusts up to 30 kt in the evening. Seas 4 to 6 ft. Dominant period 7 seconds. Adjacent sounds and rivers choppy.
Tue..NW winds 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Dominant period 6 seconds. Adjacent sounds and rivers choppy, diminishing to a moderate chop in the afternoon.
Tue night..W winds 15 to 20 kt. Seas 2 to 4 ft. Adjacent sounds and rivers choppy.
Wed..NW winds 15 to 20 kt. Seas 2 to 4 ft. Adjacent sounds and rivers choppy.
Wed night..NW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas 2 to 4 ft. Adjacent sounds and rivers a moderate chop, diminishing to light chop after midnight.
Thu..SW winds 15 to 20 kt. Seas 2 to 4 ft, building to 4 to 6 ft. Adjacent sounds and rivers choppy. A chance of showers.
Fri..W winds 15 to 20 kt, becoming n. Seas 4 to 6 ft. Adjacent sounds and rivers choppy. A chance of showers.


7 Day Forecast for Marine Location Near Atlantic, NC
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location: 34.88, -76.34     debug


Area Discussion for - Newport/Morehead City, NC
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FXUS62 KMHX 171921 AFDMHX

Area Forecast Discussion National Weather Service Newport/Morehead City NC 221 PM EST Sun Jan 17 2021

SYNOPSIS. High pressure will continue over the region into early next week. A dry cold front will move through early Wednesday morning.

NEAR TERM /THROUGH TONIGHT/. As of 200 PM Sunday . Quiet weather is expected tonight with just some passing mid clouds from time to time. A cold front now over central Tennessee will cross the mountains and move into our area. With little moisture to work with, any moisture will remain on the windward side of the NC mountains with this front. The main impact for us will be a few additional clouds ahead of the front and some additional mixing, which will hold lows in the 30s.

SHORT TERM /MONDAY/. As of 200 PM Sunday . The front mentioned above will usher in a reinforcing shot of colder air. Temps again will be in the upper 40s to around 50. Another mostly sunny day is expected with high pressure building northeast out of the Gulf of Mexico.

LONG TERM /MONDAY NIGHT THROUGH SATURDAY/. As of 330 AM Sunday . A strong shortwave embedded in a deep longwave upper trough will cross eastern NC during the day on Monday. The deeper moisture with this shortwave will remain to the north of the area, so will continue a dry forecast although considerable cloudiness is expected, given steep lapse rates. A cool day with highs upper 40s northeast to lower 50s southern CWA.

Monday night will be cold with lows in the upper 20s to around 30 degrees, rebounding into the low/mid 50s Tuesday under sunny skies as the area is between systems. A dry cold front will cross the area during the first part of the day Wednesday, with only a wind shift expected. Temperatures remain fairly consistent into late week with highs low/mid 50s and lows mainly in the 40s.

Some changes in model trends for the end of the week into next weekend. GFS/ECMWF trending drier with Thursday and will keep just 20-30 percent PoPs in the forecast. Big differences in the two models for Friday as a several waves of low pressure form along a stalled front near or just south of the CWA. The GFS has trended drier, shunting the moisture/precipitation to the south, while the ECMWF shows a rather wet day on Friday with deeper omega and moisture. Split the difference, which matches well with the surrounding offices showing high chance PoPs for Friday, but the forecast for this period will continue to evolve. Saturday looks dry and cool with highs mainly upper 40s.

AVIATION /19Z SUNDAY THROUGH FRIDAY/. Short Term /Through 06Z Monday/ . As of 130 PM Sun . VFR through the TAF period. A slight increase in clouds overnight but VFR expected. Gusty winds this afternoon diminish toward sunset, and become a bit gusty again Monday 10 to 15 kts.

Long Term /Monday through Thursday/ . As of 340 AM Sunday . With high pressure in control, VFR conditions are expected Monday through Wednesday. A few showers are possible on Thursday as frontal boundary stalls near the area, but any sub-VFR conditions will be brief.

MARINE. Short Term /Through Monday afternoon/ . As of 215 PM Sunday . Slight timing adjustments to the current SCA, otherwise no big changes. As expected we are seeing a brief window of improving conditions on the waters now with west- southwest winds 10 to 20 mph, and seas 3 to 4 feet. A cold front will move through the waters tonight. As the gradient increases along the front, southwest winds will increase 20 to 30 kts, especially the central and southern waters. Seas will build to 6 feet late.

West winds Monday will remain brisk 20 to 30 kts, again especially central and southern waters. Seas will be near 6 feet.

Long Term /Monday night through Friday/ . As of 345 AM Sunday . Gusty westerly winds and rough seas will continue through Monday, with gusts to 30 knots and seas up to 6 feet. These conditions should subside Tuesday through Thursday with mostly W/NW winds 15-20 knots and seas 3-5 feet on most waters.

MHX WATCHES/WARNINGS/ADVISORIES. NC . None. MARINE . Small Craft Advisory until 2 AM EST Tuesday for AMZ152-154. Small Craft Advisory until 1 AM EST Tuesday for AMZ156-158. Small Craft Advisory from 7 PM this evening to 7 AM EST Monday for AMZ135.

SYNOPSIS . MHX NEAR TERM . EH SHORT TERM . EH LONG TERM . CTC AVIATION . EH/CTC MARINE . EH/CTC


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
CLKN7 - Cape Lookout, NC 20 mi41 min WSW 9.9 G 13 48°F 1013.2 hPa (-2.4)
BFTN7 - 8656483 - Beaufort, NC 21 mi53 min SW 6 G 9.9 48°F 51°F1013.3 hPa
HCGN7 - 8654467 - Hatteras, NC 41 mi53 min W 12 G 14 47°F 59°F1012.1 hPa

Wind History for Beaufort, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Piney Island, Bt-11 Bombing Range, NC12 mi1.7 hrsWSW 1010.00 miFair50°F29°F44%1013.1 hPa
Beaufort Smith Field, NC20 mi43 minWSW 1210.00 miFair48°F31°F52%1012.7 hPa

Link to 5 minute data for KNBT

Wind History from NBT (wind in knots)
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W17W8SW7SW8SW8W12W10W12W9SW7W6W7W7SW4W11SW7W9W11SW10
1 day agoS12S12S11S6SW7SW4SW4SW3SE3W7W4NW4NW8W4SW6SW5SW7SW6SW5SW10SW16
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2 days agoW6W94S3S4SW6S5SE6S4S4S3CalmS4S5S5S4SE6S4--SW5S7S13
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Tide / Current Tables for North River Bridge, North Carolina
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North River Bridge
Click for Map
Sun -- 12:27 AM EST     1.55 feet High Tide
Sun -- 07:10 AM EST     -0.11 feet Low Tide
Sun -- 07:12 AM EST     Sunrise
Sun -- 10:18 AM EST     Moonrise
Sun -- 12:45 PM EST     1.69 feet High Tide
Sun -- 05:20 PM EST     Sunset
Sun -- 07:44 PM EST     -0.11 feet Low Tide
Sun -- 09:59 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.51.310.70.30-0.1-00.30.81.31.61.71.51.30.90.50.2-0.1-0.10.10.51

Tide / Current Tables for Harkers Island Bridge, North Carolina
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Harkers Island Bridge
Click for Map
Sun -- 12:10 AM EST     1.38 feet High Tide
Sun -- 06:33 AM EST     -0.11 feet Low Tide
Sun -- 07:12 AM EST     Sunrise
Sun -- 10:18 AM EST     Moonrise
Sun -- 12:28 PM EST     1.50 feet High Tide
Sun -- 05:20 PM EST     Sunset
Sun -- 07:07 PM EST     -0.11 feet Low Tide
Sun -- 09:59 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.41.31.10.80.40.1-0.1-0.10.10.50.91.31.51.51.310.60.30-0.1-00.20.61

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.
Link to Loop

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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 numerous 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.