Wednesday, October16, 2019

Marine Weather and Tides
Little River, SC

Version 3.4
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 Allen

Sunrise 7:19AMSunset 6:42PM Wednesday October 16, 2019 8:49 AM EDT (12:49 UTC) Moonrise 7:39PMMoonset 8:44AM Illumination 92% Phase: Waning Gibbous; Moon at 18 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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AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 609 Am Edt Wed Oct 16 2019
.small craft advisory in effect through Thursday morning...
Today..S winds 10 to 15 kt, becoming sw 20 to 25 kt late this morning and early afternoon, then becoming W 15 to 20 kt late. Seas 3 to 4 ft, building to 4 to 6 ft this afternoon. Showers this morning, then a chance of showers with isolated tstms this afternoon. Vsby 1 to 3 nm late this morning.
Tonight..NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. A slight chance of showers in the evening.
Thu..NW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 2 to 3 ft.
Thu night..NW winds 10 to 15 kt. Seas 2 ft.
Fri..N winds 10 to 15 kt, diminishing to 10 kt. Seas 2 ft, then 1 to 2 ft.
Sat..SE winds 10 kt. Seas 2 ft, building to 3 to 4 ft.
Sun..SE winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers through the night. Winds and seas higher in and near tstms.
AMZ200 609 Am Edt Wed Oct 16 2019
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Low pressure off the southeast u.s. Coast will intensify as it accelerates northeast along the carolina coasts today. The deepening low will reach the delmarva coast this evening, slowing down as it moves along the new england coast Thursday. Expect small craft advisory conditions across the area waters late tonight through Thursday. Cool high pressure will build over the waters Thursday night and Friday, then track offshore this weekend.

7 Day Forecast for Marine Location Near Little River, SC
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location: 33.86, -78.64     debug

Area Discussion for - Wilmington, NC
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Fxus62 kilm 161140
area forecast discussion
national weather service wilmington nc
740 am edt Wed oct 16 2019

A rising warm front will lead to rain this morning. Unseasonably
cool weather will arrive Thursday as high pressure builds in
through Friday. Temperatures will warm through the weekend as
the high shifts offshore. Rainfall chances will increase early
next week as a warm front lifts north across the area.

Near term through Thursday
Wet morning shaping up as warm front loaded with precipitable water
content lifts north and east across the area ahead of a progressive,
and approaching cold front. The upper trough progression will force
a large pool of high pwat content offshore, limiting local qpf. High
rainfall variability is expected due to the disorganized form of
precipitation expected about the region, with convective processes
in the mix, but generally 1 3-1.0 inch, coast favored for higher
totals. The progression brings swift mid-level drying in afternoon,
complicating maximum-t forecasts, as downslope flow and partial sun
before lagging cold air advection potentially warms for several
hours, middle and upper 70s is currently the expected range.

Absolute humidity takes a nose-dive tonight. Sunshine and breezy,
upper 60s to 70 for highs Thursday as the air mass change has
transpired, leading to the coolest air of fall heading into Thursday
night. The mixing profile Thursday will promote afternoon NW wind
gusts of 20-25 mph on occasion.

Short term Thursday night through Friday night
Very quiet conditions through the short term period as surface
high pressure settles in from the northwest. Expect the coolest
readings of the early fall season with widespread lows in the
40s. Better radiational conditions will develop Saturday morning
which could be the cooler of the periods. Highs Friday will be
in the middle to upper 60s.

Long term Saturday through Tuesday
Shaping up to be an unsettled extended forecast although
confidence is a little lower than usual. It appears two systems
will affect the area. First an area of low pressure moving up
from the gulf of mexico Sunday and a more dynamic system early
next week. Details are scant this far out but we are maintaining
pops from about Sunday onward. Temperatures will see a
consistent warming trend.

Aviation 12z Wednesday through Sunday
Dreary conditions this morning as a warm front makes it way
northward through our area, followed by a cold front passage
this afternoon. Mainly ifr lifr ceilings in NE sc, with MVFR at
myr cre along the coast, with cloudyVFR in SE nc. MVFR coastal
and ifr inland ceilings to make their way across nc over the
next hour or so. Expect sub-vfr conditions and light rain to
continue across the area into early afternoon hours, before
conditions begin to improve ahead of cold front. Southerly winds
this morning will quickly veer to westerlies by around 20z,
with sustained winds of 10-15 kts and gusts around 20 kts this
afternoon. NW winds between 5-10 kts overnight.

Extended outlook... PredominatelyVFR through extended. Sub-vfr
conditions possible Sunday with return of unsettled weather.

Marine visibility may become problematic this morning in rain, and
hazardous seas offshore can be expected in advance of a warm front,
and strong, approaching cold front. As a result, advisory flags are
raised this period. Steep S waves 3 to 6 feet every 6 to 7 seconds
will develop in afternoon. Isolated tstms and showers may produce
gusts in excess of 30 knots during afternoon to early evening.

Thursday will remain difficult, as NW wind-waves interact with
residual s-ssw waves much of the morning. This will be most
contentious offshore, where higher wind-seas will reside. The
advisory could be extended into Thursday afternoon because of nw
wind gusts offshore near or greater than 20 kt.

There will be another day or so of offshore winds although the
speeds will be settling down and with speeds dropping down to
10-15 knots or less. For the weekend into next week an onshore
flow develops with similar wind speeds. Overall with the chance
in fetch and lower wind speeds, significant seas are 2-4 feet
with the higher values developing late in the period.

Tides coastal flooding
Minor tidal flooding requires an advisory for the lower CAPE fear
river with this late morning's high tide. This to include downtown
wilmington, and the battleship park grounds across the way.

Ilm watches warnings advisories
Sc... None.

Nc... Coastal flood advisory until noon edt today for ncz107.

Marine... Small craft advisory until noon edt Thursday for amz250-252-

Synopsis... Shk
near term... Mjc
short term... Shk
long term... Shk
aviation... Vao
marine... Mjc shk
tides coastal flooding...

Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
41119 8 mi120 min 75°F2 ft
41024 - Sunset Nearshore (SUN 2) 9 mi42 min SSE 19 G 29 72°F 75°F1009.1 hPa
MROS1 - 8661070 - Springmaid Pier, SC 20 mi56 min 73°F
41108 34 mi50 min 76°F2 ft
WLON7 44 mi56 min 67°F 74°F1009.7 hPa
NIWS1 - North Inlet-Winyah Bay Reserve, SC 46 mi65 min S 7 71°F 1008 hPa71°F

Wind History for Springmaid Pier, SC
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1 day
2 days

Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
North Myrtle Beach Grand Strand Airport, SC5 mi57 minS 14 G 2010.00 miLight Rain0°F0°F%1009 hPa
Myrtle Beach Air Force Base, SC19 mi54 minS 1910.00 miLight Rain and Breezy72°F69°F91%1008.5 hPa

Link to 5 minute data for KCRE

Wind History from CRE (wind in knots)
Last 24hrNE4NE4N3NE8E4E4E7E5E5E4CalmN3E3NE3CalmSE5CalmN3S6SE5SE6SE7S10
1 day agoN6N4W63CalmCalmSW6S8S8S7SW4CalmCalmW3CalmCalmCalmCalmCalmCalmCalmN3CalmCalm
2 days agoCalmS7SW8S8S10S8S9S9S9S8S10S12SW13SW13SW13SW13SW7W3CalmW7SW8W3W5Calm

Tide / Current Tables for Nixon Crossroads, South Carolina
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Sunset Beach Pier, Atlantic Ocean, North Carolina
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Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map
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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 (8,2,3,4)
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Ground Weather Radar Station Wilmington, 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 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 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.