Friday, December6, 2019
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Marine Weather and Tides
Porters Neck, 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 7:02AMSunset 5:03PM Friday December 6, 2019 5:30 AM EST (10:30 UTC) Moonrise 2:02PMMoonset 1:32AM Illumination 70% Phase: Waxing Gibbous; Moon at 9 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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AMZ250 Coastal Waters From Surf City To Cape Fear Nc Out 20 Nm- 304 Am Est Fri Dec 6 2019
Today..S winds 10 kt. Seas 1 foot, then 2 ft this afternoon. A chance of sprinkles late.
Tonight..NE winds 10 kt, becoming N 10 to 15 kt after midnight. Seas 2 to 3 ft. Rain likely, mainly in the evening.
Sat..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft.
Sat night..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft.
Sun..NE winds 15 to 20 kt, becoming se 10 to 15 kt. Seas 4 to 6 ft. A chance of showers through the day, then showers likely through the night.
Mon..S winds 15 kt. Seas 5 to 7 ft. A chance of showers.
Tue..SW winds 10 to 15 kt. Seas 4 to 6 ft. A chance of showers.
AMZ200 304 Am Est Fri Dec 6 2019
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. High pressure shifts to the east today as a cold frontal passage will occur Friday night. Wind shift from south to the northwest tonight into Saturday. Increasingly unsettled weather will develop next week.


7 Day Forecast for Marine Location Near Porters Neck, NC
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location: 34.29, -77.75     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 060830 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 330 AM EST Fri Dec 6 2019

SYNOPSIS. Warmer weather on Friday will be followed by clouds and chances of rain Friday night as a cold front moves through. Cool and dry high pressure will build down from the north on Saturday with a wedge developing by Sunday. Unsettled but warm weather will come Sun night through early next week as a warm front lifts north. A cold front will move through by Wednesday bringing colder weather for the middle of next week.

NEAR TERM /THROUGH SATURDAY/. High pressure shifts to the east today and brings a return of southerly winds and warmer afternoon temperatures. Afternoon highs today will range between the lower to mid 60s for NC and the mid to upper 60s for SC, which is on the warm side of normal for early December. A fast moving cold front will push through the Carolinas tonight and bring chances for light rain and gusty conditions heading into Saturday as high pressure builds to the north. Expect clear skies for Saturday with temperatures returning into the mid to upper 50s, which is just below normal for this time of year.

SHORT TERM /SATURDAY NIGHT THROUGH SUNDAY NIGHT/. With surface high pressure building down from the northeast, a wedge develops over the region Saturday night through Sunday. This will keep temps slightly below normal, particularly inland. A coastal trough develops Sunday afternoon, and with it there's a slight chance of rain Sunday afternoon and evening moving in from offshore. The wedge begins to erode Sunday night as parent high moves further offshore to the NE and return flow develops. Temps Sunday night around 50 degrees with a slight warming trend through the night. Rain chances also increase Sunday night through Monday morning as weak low-level isentropic lift develops from the south.

LONG TERM /MONDAY THROUGH THURSDAY/. Significant warming trend develops Monday and Tuesday with a broad surface high over the western Atlantic and strong return flow over the SE. Mostly cloudy with chance of rain throughout Monday as a warm front lifts north, with highs around 70 degrees. Forcing mechanisms weaken Monday night through early Tuesday, but can't rule out few light showers. Under strong WAA, temps Monday night only get down to around 60 degrees, which is climatological high for this time of year, and temps remain pretty steady throughout the night. Warming continues Tuesday with highs reaching the low 70s, and possibly higher depending on any breaks in the clouds. Gusty Tuesday afternoon with slight chance of rain.

Rain chances increase Tuesday night with the passage of a cold front. Cooling trend develops Wednesday through Thursday as high pressure builds in from the NW behind the front, with slightly below normal temps. Clearing skies and a dry trend Wednesday. GFS keeps things dry into Thursday, but the Euro has been inconsistent, with the latest 0z run of the Euro removing the rain chances that were there for Thurs from the 12z run. Therefore lowered POPs for Thursday afternoon, and may be lowered more if the dry trend continues.

AVIATION /09Z FRIDAY THROUGH TUESDAY/. VFR conditions for area terminals for the next 24 hours. Mainly mid and high clouds will be on the increase this afternoon as a cold front approaches the terminals. While confidence is low for direct mention of light rain in the vicinity of runways, light rain is expected to develop across the region late this afternoon and into the evening before clearing out by early Saturday morning.

Extended Outlook . Mostly VFR. TEMPO MVFR conditions possible, associated with a cold front Sun into Mon.

MARINE. Little concern offshore today with slight wind shift to the south for a more onshore direction at under 10 kts. Wave heights today under 2 feet, but seas are expected to increase Saturday between 3 and 5 feet between 4 and 6 seconds as cold front passes bringing a hard wind shift tonight with winds into Saturday up to 20 kts with gusts to 25 kts. Small craft should exercise caution Saturday if offshore, especially between 10 and 20 NM.

Conditions near advisory criteria continue Saturday night through midday Sunday as increased NE flow remains on edge of inland wedge, with winds between 15-20 kts and seas 3-5 ft every 7 seconds. A coastal trough develops Sunday afternoon, decreasing winds and briefly decreasing wave heights. Onshore flow around 10 kts develops Sunday night veering to southerly Monday afternoon. Seas decrease some Sunday evening before increasing to 4-6 ft every 8-9 seconds overnight Sun-Mon and remaining elevated through early Wednesday due to long southeasterly fetch off around a broad high over the Western Atlantic. SCA will likely be needed Mon-Wed, especially for NC waters. Seas Tuesday into Wednesday will consist of a decaying SE swell of 3-4 ft every 9 sec and a building SW wind wave of 4-5 ft every 5-6 sec. A cold front moves through the area Tuesday night, with weakened northerly winds Wednesday and seas decreasing to 2-4 ft by the afternoon. High pressure builds in Thursday, with increased NE winds and seas increasing to 3-5 ft.

ILM WATCHES/WARNINGS/ADVISORIES. SC . None. NC . None. MARINE . None.

SYNOPSIS . ILM NEAR TERM . MCK SHORT TERM . VAO LONG TERM . VAO AVIATION . MCK MARINE . MCK/VAO


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 6 mi48 min SW 1.9 G 1.9 50°F 56°F1022.6 hPa
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 10 mi82 min SSW 3.9 G 5.8 56°F 58°F1023.2 hPa
41110 - Masonboro Inlet, NC 10 mi50 min 58°F1 ft
WLON7 12 mi48 min 36°F 54°F1023.2 hPa
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 29 mi82 min E 1.9 G 3.9 59°F 65°F1023.3 hPa
41108 42 mi60 min 58°F1 ft
41064 43 mi82 min SE 1.9 G 3.9 59°F 66°F1023.2 hPa
41159 43 mi30 min 65°F1 ft

Wind History for Wrightsville Beach, NC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wilmington International Airport, NC9 mi37 minN 010.00 miFair33°F30°F89%1023.5 hPa

Link to 5 minute data for KILM

Wind History from ILM (wind in knots)
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Last 24hrW8NW6NW9NW6N10N8N11N10NW10NW9NW6NW4CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalm
1 day agoW5W6W7W6NW6NW10W7NW10W11W11
G19
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2 days agoW9W9W8W7NW9W10NW5SW12W13W10W8W6SW4W6SW3SW3SW4SW4SW5SW6SW5W8W6W4

Tide / Current Tables for Wrightsville Beach, North Carolina
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Wrightsville Beach
Click for Map
Fri -- 01:32 AM EST     Moonset
Fri -- 02:46 AM EST     3.28 feet High Tide
Fri -- 07:02 AM EST     Sunrise
Fri -- 09:10 AM EST     0.35 feet Low Tide
Fri -- 02:01 PM EST     Moonrise
Fri -- 03:05 PM EST     3.16 feet High Tide
Fri -- 05:01 PM EST     Sunset
Fri -- 09:23 PM EST     0.12 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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22.73.23.332.61.91.20.60.40.511.72.533.232.621.20.50.20.20.7

Tide / Current Tables for Masonboro Inlet, North Carolina
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Masonboro Inlet
Click for Map
Fri -- 01:32 AM EST     Moonset
Fri -- 03:02 AM EST     3.44 feet High Tide
Fri -- 07:02 AM EST     Sunrise
Fri -- 09:30 AM EST     0.83 feet Low Tide
Fri -- 02:01 PM EST     Moonrise
Fri -- 03:26 PM EST     3.49 feet High Tide
Fri -- 05:01 PM EST     Sunset
Fri -- 09:56 PM EST     0.49 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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2.12.83.23.43.32.92.31.71.20.90.91.322.63.23.53.43.12.51.91.20.70.50.8

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

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Wilmington, NC (5,6,7,8)
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Ground Weather Radar Station Morehead City, NC
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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 numerious 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.