Monday, September21, 2020
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Marine Weather and Tides
Holly Ridge, 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 6:56AMSunset 7:08PM Monday September 21, 2020 5:01 AM EDT (09:01 UTC) Moonrise 10:41AMMoonset 9:18PM Illumination 17% 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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AMZ250 Coastal Waters From Surf City To Cape Fear Nc Out 20 Nm- 337 Am Edt Mon Sep 21 2020
.gale warning in effect until 1 pm edt this afternoon...
Through 7 am..NE winds 25 to 30 kt with gusts to 35 kt. Seas 7 to 10 ft.
Today..NE winds 25 to 30 kt. Seas 6 to 9 ft.
Tonight..NE winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 9 ft.
Tue..N winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft.
Tue night..NW winds 5 to 10 kt. Seas 4 to 6 ft.
Wed..W winds 5 to 10 kt. Seas 3 to 5 ft.
Wed night..W winds 5 to 10 kt. Seas 3 to 4 ft.
Thu..W winds 5 to 10 kt. Seas 2 ft.
Fri..NE winds 5 kt, becoming e. Seas 2 to 3 ft.
AMZ200 337 Am Edt Mon Sep 21 2020
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Strong high pressure will build south into the region through mid week. Treacherous marine conditions will continue through Tuesday with large easterly swell and choppy wind waves.


7 Day Forecast for Marine Location Near Holly Ridge, NC
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location: 34.49, -77.61     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 210715 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 315 AM EDT Mon Sep 21 2020

SYNOPSIS. Canadian high pressure will maintain cool and breezy conditions today. Moisture from the Gulf of Mexico may bring rain chances late in the week. Ocean conditions to remain hazardous the next few days as hurricane swell impacts the coast.

NEAR TERM /THROUGH TUESDAY/. The coolest airmass of this young Fall season continues to stream across the Carolinas courtesy of 1037 mb Canadian high pressure parked across Maine. Dewpoints have just dipped into the 40s in Wilmington for the first time since May 13. This drying trend will temporarily pause today as a pocket of slightly better Atlantic moisture now pushing onshore in Virginia and eastern NC makes its way southwestward across our area. Dewpoints should pop up a few degrees later this morning, accompanied by scattered stratocumulus clouds around 4000-4500 feet AGL. Highs today should reach the lower 70s for most areas with breezy northeast winds gusting to 20-25 mph.

Northeast winds will diminish to 10 mph or less tonight, but still enough to prevent a deep radiational inversion from developing. The airmass will continue to cool due to synoptic cold advection and lows should reach the upper 40s to around 50 inland, with lower 50s at the coast.

Wilmington forecast low: 53 Last time this cool: May 14 Florence forecast low: 50 Last time this cool: May 13 N Myrtle Beach forecast low: 53 Last time this cool: May 13 Lumberton forecast low: 48 Last time this cool: May 13

Winds diminish further on Tuesday as the high shifts south into the southern Appalachians. This should provide another beautiful fall day with highs 72-74.

SHORT TERM /TUESDAY NIGHT THROUGH WEDNESDAY NIGHT/. Dry and cool weather continues for the short term period. High pressure at the surface will be over the eastern US, before starting to shift offshore late Wednesday. May see scattered high clouds move in Wednesday, but large dewpoint depressions in the low to mid levels will keep the sky mostly clear. A slow warming trend will begin Tuesday night through the week as deep northerly flow ends with upper level pattern becoming more progressive. Lows Tuesday night in the low 50s will become upper 50s Wednesday night, with highs Wednesday in the upper 70s.

LONG TERM /THURSDAY THROUGH SUNDAY/. Rain chances increase late Thursday into the weekend, but don't see any signals strong enough to go higher than low chance pops. Moisture advects from the Gulf of Mexico Thursday into the weekend. Combined with 500mb shortwave moving through late Thursday through Friday, expect increased clouds and scattered showers Friday. With high pressure offshore over the weekend, low level return flow will be in full swing. However, mid and upper level dry air moves in and could hinder anything more than scattered showers developing in the afternoons. Cold front approaches from the west end of the weekend as a digging 500mb trough moves through Central US. Highs near normal Thursday through Sunday, with lows near normal Thursday night increasing to above normal for the weekend.

AVIATION /07Z MONDAY THROUGH FRIDAY/. Breezy northeast winds above the surface will mix down to ground level with surface gusts 20-25 kt possible after 14Z. Scattered stratocumulus with bases around 4500 feet are expected during the daylight hours with VFR conditions continuing.

Extended Outlook . VFR continues through mid week, winds easing Tuesday into Wednesday.

MARINE. Through Tuesday . 1037 mb high pressure over Maine continues to produce a large area of moderate to strong northeast winds along the U.S. East Coast. A few gusts to gale force occurred as recently as midnight at the CORMP buoys near Cape Fear. After collaboration with surrounding NWS offices we're going to keep the Gale Warning going through 1 PM for most waters, but will drop it earlier across the Myrtle Beach coastal waters as blockage from land should keep gusts below 34 knots. Wind speeds will begin to diminish this afternoon and tonight, finally falling below 15 knots Tuesday afternoon.

Hurricane Teddy will move northward across the Atlantic just east of Bermuda today. Large, long period swells produced by the storm will reach the coastal waters today through Tuesday. Combined with northeast wind waves, total seas of 8-10 feet are expected between 10-20 miles from shore, diminishing slightly Tuesday. The Small Craft Advisory will continue.

Tuesday Night through Friday . Conditions will continue improving Tuesday night, as high pressure moves overhead and swells from Hurricane Teddy slowly weaken as the storm moves further to the northeast. 3-6 ft seas Tuesday night will decrease to 2-5 ft Wednesday, becoming 1-3 ft by Wednesday night. Seas primarily a weakening long period E swell from Teddy. 1-2 ft seas then expected to persist through Friday, a very weak S wind wave with dissipating E swell. Winds generally 5-10 kts Tuesday night through Friday, initially from the NW before backing to west- southwesterly Wed night through Thursday, then becoming easterly on Friday.

TIDES/COASTAL FLOODING. Astronomical tides remain large near this month's New Moon. Strong northeast winds are holding an extra 1 to 2 feet of water pinned up against the coastline, leading to persistent coastal flooding over the past couple of days. This should occur again during today's late morning (11:00 AM) high tide. Tidal anomalies are large enough it appears all the beaches including the Grand Strand will experience impacts, so the Coastal Flood Advisory has been expanded southward to include Horry and Georgetown counties. High tide will occur on the Cape Fear River at downtown Wilmington around 1:45 PM.

ILM WATCHES/WARNINGS/ADVISORIES. SC . Beach Hazards Statement through this evening for SCZ054-056. Coastal Flood Advisory from 9 AM this morning to 2 PM EDT this afternoon for SCZ054-056. High Rip Current Risk through this evening for SCZ054-056. NC . Beach Hazards Statement through this evening for NCZ106-108. High Rip Current Risk through this evening for NCZ106-108-110. High Surf Advisory until 2 PM EDT Tuesday for NCZ106-108. Coastal Flood Advisory until 2 PM EDT this afternoon for NCZ106-108-110. Coastal Flood Advisory until 4 PM EDT this afternoon for NCZ107. MARINE . Gale Warning until 1 PM EDT this afternoon for AMZ250-252-256. Gale Warning until 9 AM EDT this morning for AMZ254.

SYNOPSIS . ILM NEAR TERM . TRA SHORT TERM . VAO LONG TERM . VAO AVIATION . TRA MARINE . TRA/VAO TIDES/COASTAL FLOODING . TRA


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
JMPN7 - 8658163 - Johnny Mercer Pier, Wrightsville Beach, NC 21 mi43 min N 18 G 22 58°F 74°F
41038 - ILM2 - 5 miles SE of Wrightsville Beach, NC 25 mi53 min NNE 23 G 31 61°F 78°F1025.3 hPa
41110 - Masonboro Inlet, NC 25 mi24 min 78°F6 ft
WLON7 26 mi43 min 57°F 75°F
41037 - ILM3 - 27 miles SE of Wrightsville Beach, NC 37 mi53 min NNE 23 G 31 67°F 80°F1024.8 hPa
41064 40 mi53 min ENE 27 G 37 69°F 1024.4 hPa
41159 40 mi35 min 79°F10 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
MCAS New River, NC17 mi65 minN 1110.00 miFair55°F48°F77%1027.1 hPa
Wilmington International Airport, NC22 mi68 minN 1010.00 miFair57°F48°F72%1026.7 hPa
Jacksonville, Albert J Ellis Airport, NC23 mi65 minN 610.00 miFair54°F48°F80%1028.2 hPa

Link to 5 minute data for KNCA

Wind History from NCA (wind in knots)
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2 days agoCalmCalmNW6CalmNW4N10N8N9N13N12N14N11
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Tide / Current Tables for New Topsail Inlet, North Carolina
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New Topsail Inlet
Click for Map
Mon -- 05:42 AM EDT     -0.04 feet Low Tide
Mon -- 06:58 AM EDT     Sunrise
Mon -- 11:31 AM EDT     4.15 feet High Tide
Mon -- 11:41 AM EDT     Moonrise
Mon -- 06:36 PM EDT     0.14 feet Low Tide
Mon -- 07:07 PM EDT     Sunset
Mon -- 10:18 PM EDT     Moonset
Mon -- 11:55 PM EDT     3.36 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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3.42.92.11.30.50.1-00.51.42.53.54.14.13.73.12.21.30.60.20.20.71.52.43.1

Tide / Current Tables for Bannermans Branch, Northeast River, North Carolina
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Bannermans Branch
Click for Map
Mon -- 01:52 AM EDT     0.02 feet Low Tide
Mon -- 06:57 AM EDT     1.54 feet High Tide
Mon -- 06:58 AM EDT     Sunrise
Mon -- 11:41 AM EDT     Moonrise
Mon -- 02:07 PM EDT     -0.00 feet Low Tide
Mon -- 07:08 PM EDT     Sunset
Mon -- 07:37 PM EDT     1.66 feet High Tide
Mon -- 10:18 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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0.40.100.30.71.21.51.51.51.20.90.60.40.1-00.10.61.11.51.61.71.51.31

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
Ground Weather Radar Station Morehead City, NC
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