Thursday, July9, 2020
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Marine Weather and Tides
Porters Neck, NC

Version 3.4
NOTICE
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 6:06AMSunset 8:27PM Thursday July 9, 2020 4:26 AM EDT (08:26 UTC) Moonrise 10:45PMMoonset 9:20AM Illumination 85% Phase: Waning Gibbous; Moon at 19 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- 319 Am Edt Thu Jul 9 2020
Today..NW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of showers and tstms this morning. A chance of showers and tstms this afternoon.
Tonight..W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers and tstms, mainly in the evening.
Fri..NW winds 5 to 10 kt, becoming sw in the afternoon. Seas 2 to 3 ft. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.
Fri night..SW winds 10 kt. Seas 2 to 3 ft. A chance of showers and tstms.
Sat..SW winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. A chance of showers and tstms.
Sat night..SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers and tstms.
Sun..SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms.
Mon..SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers and tstms. Winds and seas higher in and near tstms.
AMZ200 319 Am Edt Thu Jul 9 2020
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Low pressure off the north carolina coast could acquire some tropical characteristics as it moves up the east coast of the united states into the weekend. A front will approach from the west early next week and stall across the area.


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 090651 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 251 AM EDT Thu Jul 9 2020

SYNOPSIS. Showers and thunderstorms will become more scattered for the next few days as the heat and humidity persist.

NEAR TERM /THROUGH FRIDAY/. An area of low pressure will move away from the area today leaving a surface trough in its wake. Between that and the circulation around the low throwing a few showers back toward the coast, expect to see scattered showers and, with daytime heating, thunderstorms today. After sunset, the low should be far enough removed from us that the remainder of the period will be more typical of summer with heating of the day being the main driver of shower and thunderstorm development with the lingering trough as the main focusing mechanism. Highs today will reach the mid 80s to about 90 with lows tonight in the low to mid 70s. highs Friday will reach the upper 80s to lower 90s.


SHORT TERM /FRIDAY NIGHT THROUGH SATURDAY NIGHT/. A weak boundary will advect and or develop in the area Saturday after what should be a mostly dry overnight period Friday night. Some guidance is seemingly backing off robust pops Saturday but probably need to get into the near term domain to make any appreciable changes thus good chance values remain. Temperatures will be at or just a little above climatology.

LONG TERM /SUNDAY THROUGH WEDNESDAY/. Typical mid to late summer time conditions with showers and thunderstorms possible each period more likely in the afternoon and evenings. Interesting to note at least for this cycle some mid level dry air appears to be limiting convection early next week as it rotates around mid level low pressure near the Great Lakes Region. Temperatures near climatology through the period.

AVIATION /07Z THURSDAY THROUGH MONDAY/. Low-level saturation will lead to widespread IFR CIGS overnight. Stratus will stay with us for much of the morning before clearing for a similar afternoon as today with periodic drops to sub-VFR conditions during the afternoon due to low tropical-like cloud bases.

Extended Outlook . Low pressure will exit the area Thursday and Friday. Diurnal convection will continue, especially near the coast, with brief MVFR to IFR conditions expected through the weekend.

MARINE. Expect N winds of 10 to 15 KT to diminish to 10 KT or less by later afternoon. Speeds will remain 10 KT or less tonight and Friday as directions back to the west by Friday. Seas will run 2 to 3 FT through the period.

A synoptic southwest flow of 10-15 knots will be in place for the short and long term periods. This is the usual flow between Bermuda High Pressure to the east and the inland Piedmont Trough to the west. As usual the sea breeze may increase the flow for a few hours each day. Significant seas will be mostly 2-4 feet with a few five to even six footers possible across the outer waters next week as the winds briefly increase to just over 15 knots.

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

SYNOPSIS . SHK NEAR TERM . 31 SHORT TERM . SHK LONG TERM . SHK AVIATION . 31 MARINE . SHK/31


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 6 mi57 min N 9.9 G 13 76°F 82°F1008.1 hPa
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 10 mi79 min NNE 14 G 19 77°F 83°F1008.2 hPa
41110 - Masonboro Inlet, NC 10 mi50 min 82°F3 ft
WLON7 12 mi57 min 76°F 83°F1008.8 hPa
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 29 mi79 min NNE 12 G 18 79°F 83°F1008.5 hPa
41108 42 mi57 min 83°F2 ft
41064 43 mi79 min E 9.7 G 14 79°F 82°F1008.1 hPa
41159 43 mi31 min 82°F4 ft

Wind History for Wrightsville Beach, NC
(wind in knots)    EDIT      (on/off)   Help
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Wilmington International Airport, NC9 mi34 minN 710.00 miMostly Cloudy75°F73°F96%1008.7 hPa

Link to 5 minute data for KILM

Wind History from ILM (wind in knots)
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Last 24hrE3CalmNE6E3E3E5NE4NE7NE6E7E6E7N34E6E3N5CalmN5N6N6N5N9N7
1 day agoCalmE3CalmE3E4E7NE3S8
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SE7S4CalmNE3E3E4E3SW5E5E6
2 days agoNE3NE4NE3Calm3SE6S8SE7
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SE9S8S6S7S4S3CalmCalmCalm3NE3Calm

Tide / Current Tables for Wrightsville Beach, North Carolina
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Wrightsville Beach
Click for Map
Thu -- 05:13 AM EDT     -0.05 feet Low Tide
Thu -- 06:07 AM EDT     Sunrise
Thu -- 10:20 AM EDT     Moonset
Thu -- 11:24 AM EDT     3.22 feet High Tide
Thu -- 05:14 PM EDT     0.03 feet Low Tide
Thu -- 08:25 PM EDT     Sunset
Thu -- 11:45 PM EDT     Moonrise
Thu -- 11:46 PM EDT     3.72 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.73.12.11.10.3-00.10.71.42.22.93.23.22.721.10.400.20.71.52.43.13.6

Tide / Current Tables for New Topsail Inlet, North Carolina
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New Topsail Inlet
Click for Map
Thu -- 06:06 AM EDT     Sunrise
Thu -- 06:11 AM EDT     0.10 feet Low Tide
Thu -- 10:19 AM EDT     Moonset
Thu -- 11:40 AM EDT     2.88 feet High Tide
Thu -- 06:20 PM EDT     0.26 feet Low Tide
Thu -- 08:25 PM EDT     Sunset
Thu -- 11:44 PM EDT     Moonrise
Thu -- 11:54 PM EDT     3.01 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.12.72.11.50.80.30.10.30.81.62.32.82.92.62.21.610.50.30.40.81.62.32.8

Weather Map
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wmap_A
GEOS Local Image of Mid-Atlantic    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 (4,6,7,8)
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Ground Weather Radar Station Morehead City, NC
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weather_mapweather_map weather_map

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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.