Saturday, March28, 2020
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Marine Weather and Tides
Pawleys Island, SC

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 7:06AMSunset 7:35PM Saturday March 28, 2020 7:42 PM EDT (23:42 UTC) Moonrise 8:38AMMoonset 10:34PM Illumination 24% Phase: Waxing Crescent; Moon at 5 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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AMZ256 Coastal Waters From Murrells Inlet To South Santee River Sc Out 20 Nm- 626 Pm Edt Sat Mar 28 2020
Overnight..SW winds 10 to 15 kt. Seas 3 to 4 ft. Patchy fog late.
Sun..SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Patchy fog in the morning.
Sun night..SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft.
Mon..NW winds 10 kt. Seas 2 to 3 ft.
Mon night..SW winds 10 kt or less, becoming nw 10 kt or less after midnight. Seas 2 ft.
Tue..E winds 10 kt, becoming sw. Seas 2 to 3 ft. Showers.
Wed..N winds 10 to 15 kt. Seas 2 to 3 ft.
Thu..NW winds 10 kt, becoming w. Seas 2 to 3 ft.
AMZ200 626 Pm Edt Sat Mar 28 2020
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. High pressure offshore will keep a summer like pattern across the waters for the remainder of the weekend with mainly southwest winds. Winds will become more changeable early next week as a cold front moves across Sun night followed by a low pressure system Tue into Wed. Weak high pressure will prevail Thu.


7 Day Forecast for Marine Location Near Pawleys Island, SC
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location: 33.45, -79.11     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 281911 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 311 PM EDT Sat Mar 28 2020

SYNOPSIS. Very warm weather will continue until a cold front brings some slightly cooler weather by Monday. Rain arrives with low pressure on Tuesday followed by a trend towards slightly cool weather later in the week.

NEAR TERM /THROUGH SUNDAY NIGHT/. The strong ridge of high pressure will continue to be the story for the near term although conditions do change a bit in the later parts of the period. The heat is on once again this afternoon as it appears Florence has broken a record and Wilmington is nearing one although the sea breeze is knocking on the door. The overnight hours will be warm and dry once again while Sunday should be similar to today. Heights do fall slightly as a weakening shortwave moves across the Midwest and a trailing cold front moves across our area Sunday evening. Perhaps a few more clouds may be in store Sunday but highs should once again have ample opportunity to tease record values in the middle and upper 80s. Warm overnight lows as well in the lower to middle 60s with the lower values Monday AM.

SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/. Cold front moves offshore on Monday and brings slightly cooler and drier weather. Low pressure develops over the central US late Monday and moisture associated with the low will spread eastward across the southeast. Clouds increase Monday night inhibiting overnight lows with southerly return flow increasing humidity. The low pressure system continues eastward and pushes the previous cold front northward as a warm front on Tuesday. Rain chances increase during the day on Tuesday and peak Tuesday evening as the low jumps to the Carolina coastal waters. Showers are expected to taper off Tuesday night into Wednesday morning with a slight chance of rain lingering into early Wednesday morning.

LONG TERM /WEDNESDAY THROUGH SATURDAY/. Rain chances taper off on Wednesday from west to east. Behind the low pressure system, much cooler and drier air will funnel into the Carolinas with cold air advection continuing overnight Wednesday. Temperatures continue below normal on Thursday. During the day on Friday, southerly winds increase ahead of the next cold front. Cold front moves through the area next weekend bringing increased rain chances.

AVIATION /19Z SATURDAY THROUGH THURSDAY/. Passing cirrus this afternoon with some CU possible. Southwest flow with near record temperatures. A southerly resultant is possible at the coastal terminal. Tonight, fair skies with chance of some brief fog near sunrise.

Extended Outlook . Predominately VFR through Monday. Flight restrictions are possible mid week.

MARINE. Steady state conditions for the marine community for the next 24 hours or so. Southwest winds of 10-15 knots will continue for the overnight and morning hours Sunday. A weakening front will increase the gradient slightly later Sunday possibly increasing the winds to a range of 15-20 knots. By the end of the period a modest westerly flow will be in place in the wake of the front. Significant seas will be 2-4 feet with the higher values later Sunday with the uptick in winds. Even a handful of five footers are possible into the evening hours Sunday. Some sea fog is possible once again tonight and added patchy to the forecast to address.

Benign marine conditions through Tuesday before low pressure rides the coastline and brings elevated offshore winds on Wednesday at 15- 20 knots. Seas remain 2-4 feet, but breezy conditions could create steep seas for small vessels. Winds remain below 10 knots until Friday evening and Saturday when southerly winds increase ahead of the next cold front. The front looks to be progressive enough to limit the impact to the coastal waters, but it is likely to cause steep seas and breezy conditions.

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



SYNOPSIS . ILM NEAR TERM . SHK SHORT TERM . 21 LONG TERM . 21 AVIATION . 43 MARINE . SHK/21


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
NIWS1 - North Inlet-Winyah Bay Reserve, SC 8 mi117 min SSW 16 78°F 1013 hPa66°F
MROS1 - 8661070 - Springmaid Pier, SC 18 mi54 min 67°F
41024 - Sunset Nearshore (SUN 2) 43 mi94 min SW 16 G 21 67°F 62°F1013.9 hPa
41119 43 mi82 min 63°F4 ft

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Georgetown County Airport , SC15 mi47 minSSW 12 G 1610.00 miFair75°F59°F57%1015.2 hPa
Myrtle Beach International Airport, SC19 mi46 minS 17 G 2410.00 miFair70°F64°F82%1014.7 hPa

Link to 5 minute data for KGGE

Wind History from GGE (wind in knots)
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Tide / Current Tables for Midway Inlet North, Pawleys Island, South Carolina
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Midway Inlet North
Click for Map
Sat -- 05:36 AM EDT     0.48 feet Low Tide
Sat -- 07:08 AM EDT     Sunrise
Sat -- 09:37 AM EDT     Moonrise
Sat -- 11:01 AM EDT     3.91 feet High Tide
Sat -- 05:43 PM EDT     0.44 feet Low Tide
Sat -- 07:34 PM EDT     Sunset
Sat -- 11:19 PM EDT     4.54 feet High Tide
Sat -- 11:34 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.33.62.71.810.60.51.12.13.13.73.93.83.32.61.710.60.512.13.24.14.5

Tide / Current Tables for Allston Creek, South Carolina
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Allston Creek
Click for Map
Sat -- 06:26 AM EDT     0.46 feet Low Tide
Sat -- 07:08 AM EDT     Sunrise
Sat -- 09:37 AM EDT     Moonrise
Sat -- 11:37 AM EDT     3.77 feet High Tide
Sat -- 06:33 PM EDT     0.42 feet Low Tide
Sat -- 07:34 PM EDT     Sunset
Sat -- 11:34 PM EDT     Moonset
Sat -- 11:55 PM EDT     4.38 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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4.33.93.22.41.50.90.50.61.32.33.23.73.73.532.21.50.90.50.51.12.33.44.2

Weather Map
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wmap_A
GEOS Local Image of Southeast    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 (19,4,5,8)
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Ground Weather Radar Station Wilmington, NC
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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.