Friday, January19, 2018

Marine Weather and Tides
Forestbrook, SC

Version 3.4
What's New / NOTES
6/25/2017 - NOAA is having a major issue that impact the 7 day forecast load times. Many users are reporting problems. The issue has been reported.
5/23/2017 - Worked with NOAA again to speed up the 7 day forecast load times. Thanks to them for being responsive.
5/19/2016 - There were issues with the 3 day airport observation history. I switched to another data source. Let me know if you see any issues with the data feeds.

Sunrise 7:17AMSunset 5:35PM Friday January 19, 2018 12:01 PM EST (17:01 UTC) Moonrise 8:55AMMoonset 8:04PM Illumination 9% Phase: Waxing Crescent; Moon at 3 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
    EDIT      (on/off)   Help
AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 934 Am Est Fri Jan 19 2018
Rest of today..SW winds 10 to 15 kt. Seas 2 ft.
Tonight..SW winds 10 to 15 kt. Seas 2 ft.
Sat..SW winds 10 to 15 kt. Seas 2 ft.
Sat night..SW winds 10 to 15 kt, becoming W 10 kt after midnight. Seas 2 ft.
Sun..NW winds 10 kt or less, becoming S in the afternoon. Seas 1 to 2 ft.
Sun night..SE winds 10 kt or less. Seas 1 to 2 ft.
Mon..SE winds 10 kt, becoming S 10 to 15 kt. Seas 1 to 2 ft, then 2 to 4 ft. A chance of showers.
Tue..W winds 10 to 15 kt, becoming nw 10 kt. Seas 2 to 4 ft.
AMZ200 934 Am Est Fri Jan 19 2018
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. High pressure will migrate slowly across the southeast, moving offshore on Sunday. A cold front will approach from the west Monday night, moving offshore during Tuesday.

7 Day Forecast for Marine Location Near Forestbrook, SC
   Hourly   EDIT   Help
location: 33.74, -78.93     debug

Area Discussion for - Wilmington, NC
      (on/off)   Help   NOTE: mouseover dotted underlined text for definition
Fxus62 kilm 191559
area forecast discussion
national weather service wilmington nc
1100 am est Fri jan 19 2018

High pressure will migrate across the southeast through the
weekend shifting off the coast by early next week, bringing a
warming trend and maintaining dry weather. A cold front will
bring increasing rain chances late Monday into Tuesday. Slightly
cooler temperatures will follow this front, but are expected to
remain at or above seasonable levels.

Near term through tonight
As of 950 am Friday... Only forecast update is to tweak the smoke
plume from the warehouse fire to our west, now showing up in the
0.87 micron band extending all the day into columbus county. Though
the plume extends farther than though its source region seems to
have ceased as the fire may be nearly over with. No other changes
to the forecast on this very quiet and finally seasonable day.

Discussion from 300 am follows...

high pressure will migrate slowly across the southeast through
tonight. The center will remain south, maintaining a light w-sw
flow. The flow aloft will remain fairly zonal, although a
shortwave will begin to move east from the western gulf coast by
early sat. This may throw a few clouds our way by the end of
this period, but overall expect mainly clear skies. The 850
temps will be on an upward trend in WAA reaching about 5 to 7c
this afternoon with a westerly downslope flow. Overall, plenty
of sunshine today will help temps rebound nicely, bringing them
back up toward normal, reaching mid 50s most places.

Dewpoint temps will climb a good 5 degrees by tonight, leaving
mid 20s most places. With clear skies and very light winds
tonight, expect temps to drop down between 25 and 30 most

Short term Saturday through Sunday night
As of 300 am Friday... This weekend is going to feel amazing coming
after january temperatures that have so far averaged 7 to 8 degrees
below normal. Surface high pressure moving across georgia on
Saturday will relocate a few hundred miles east of CAPE fear by late
Sunday. Light winds and gradual warm advection should allow temps to
rise into the 60s both days away from the beaches. The land-to-
marine temperature differences should become large enough to
generate a seabreeze both days. For those hoping to enjoy a warm day
on the beach, a january seabreeze is going to spoil your plans as
high temperatures on the sand could have trouble getting out of the
lower to middle 50s with all that cold water nearby.

An upper level low across south texas will move eastward within the
southern branch of the jet and will pass just to our south on
Sunday. Some cirrus clouds could move across the area Saturday
afternoon and Saturday night ahead of this feature. Unusually weak
low-level baroclinicity plus ridging to the north of the upper low
should prevent any surface reflection from developing as the upper
system moves off the ga fl coast Sunday afternoon evening.

Long term Monday through Thursday
As of 300 pm Thursday... Mid upper level trough axis will shift off
the SE CONUS Sunday, along with associated mid-level cloudiness.

This will set the stage for a period of above normal temps to
continue through Wednesday ahead of a cold front. Moisture will
begin to return in low-level southerly flow Monday, with the
possibility of some showers advecting in off the ocean during the
day. Consensus on timing of the frontal passage appears to be
Tuesday morning, and that will coincide with the highest pops during
the period. Models suggest there will be little cold air arriving
immediately behind the front, with temperatures on Tuesday still
rising to around 60. They will, however, drop back into the 50s for
Thursday due to height falls and surface winds becoming more

Aviation 18z Friday through Wednesday
As of 18z...VFR conditions through the forecast period. Winds will
continue from the west southwest. Little to no clouds expected.

Tonight, no fog expected. Winds at the boundary layer around 18 kts,
with an unfavorable moisture profile for even ground fog. Saturday,
sunny with clouds increasing but after end of TAF period.

Extended outlook...VFR except for possible MVFR in scattered showers
Monday into early Tuesday.

Near term through tonight ... As of 930 am Friday... No changes at
all so have left the previous discussion:
as of 300 am Friday... High pressure will migrate slowly across the
southeast with the center to the southwest of the waters leaving a
general w-sw flow across the waters. Winds will remain 10 to 15 kts
through the period with seas 2 to 3 ft. SW swells up to 10 sec will
dampen out through tonight as shorter period SW wind wave becomes

Short term Saturday through Sunday night ...

as of 300 am Friday... High pressure centered over georgia Saturday
morning will slide east and out into the atlantic during the
afternoon hours. This should maintain a westerly wind across the
carolina coastal waters during the morning, but as inland
temperatures exceed 60 degrees during the day a seabreeze should
develop with nearshore wind directions becoming more southerly. A
similar pattern is expected on Sunday, but with the high building
northward closer to the carolinas our overall wind speeds should be

Seas on Saturday will be a combination of 10 second southeast swell
with short period wind waves. By Sunday the wind waves should
disappear leaving only the southeast swell.

Long term Monday through Tuesday ...

as of 300 pm Thursday... Weak southeasterly flow on Monday will
increase to 15-20 knots by Tuesday night ahead of a cold front.

Scattered showers will be possible Monday moving south to north,
with increasing coverage along the cold front, which is
expected to move off the coast Tuesday morning. An offshore wind
after FROPA on Tuesday looks to be relatively weak, generally
10 knots or less, in a relaxed gradient.

Ilm watches warnings advisories
Sc... None.

Nc... None.

Marine... None.


near term... mbb rgz
short term... Tra
long term... Crm
aviation... Dl

Weather Reporting Stations
   EDIT       (on/off)   Help   NOTE: Click on distance to see the station location on a map
Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
MROS1 - 8661070 - Springmaid Pier, SC 6 mi61 min 1028.9 hPa (+0.5)
41024 - Sunset Nearshore (SUN 2) 25 mi53 min WSW 7.8 G 9.7 43°F 1025.4 hPa
NIWS1 - North Inlet-Winyah Bay Reserve, SC 30 mi76 min WSW 6 49°F 1026 hPa16°F
41108 49 mi31 min 45°F2 ft

Wind History for Springmaid Pier, SC
(wind in knots)    EDIT      (on/off)   Help
1 day
2 days

Airport Reports
    EDIT      (on/off)   Help   Click EDIT to display multiple airports
AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Myrtle Beach Air Force Base, SC3 mi65 minW 710.00 miFair51°F17°F26%1026.4 hPa
Conway Horry County Airport, SC12 mi66 minSW 57.00 miFair46°F19°F34%1026.1 hPa
North Myrtle Beach Grand Strand Airport, SC12 mi68 minSSW 610.00 miFair48°F26°F42%1025.6 hPa

Wind History from MYR (wind in knots)
Last 24hrNW10NW16
1 day agoSE4CalmN7NW9NW10NW8NW7NW9NW14
2 days ago4S5SE8SE7SE7S4S3CalmCalmN3CalmCalmCalmCalmCalmCalmCalmCalmCalmN3CalmCalmE10SE9

Tide / Current Tables for Myrtle Beach, Combination Bridge, South Carolina
   EDIT   RT Ports Option   Weekend mode (on/off)   (on/off)   Help   One Week of Data
Myrtle Beach
Click for Map
Fri -- 07:10 AM EST     -0.08 feet Low Tide
Fri -- 07:19 AM EST     Sunrise
Fri -- 08:54 AM EST     Moonrise
Fri -- 12:14 PM EST     1.89 feet High Tide
Fri -- 05:34 PM EST     Sunset
Fri -- 07:50 PM EST     -0.03 feet Low Tide
Fri -- 08:04 PM EST     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Tide / Current Tables for Myrtle Beach (Springmaid Pier), South Carolina
   EDIT      (on/off)   Help   One Week of Data
Myrtle Beach (Springmaid Pier)
Click for Map
Fri -- 02:26 AM EST     -0.25 feet Low Tide
Fri -- 07:18 AM EST     Sunrise
Fri -- 08:48 AM EST     5.11 feet High Tide
Fri -- 08:54 AM EST     Moonrise
Fri -- 03:05 PM EST     -0.25 feet Low Tide
Fri -- 05:34 PM EST     Sunset
Fri -- 08:04 PM EST     Moonset
Fri -- 08:58 PM EST     4.41 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Weather Map and Satellite Images
       (on/off)   Help
Weather Map
IR Satellite Image from GEOS

GOES Local Image of Southeast    EDIT

Wind Forecast for Wilmington, NC (12,3,4,5)
      (on/off)   Help

Ground Weather Radar Station Wilmington, NC
   (on/off)   Help
weather_mapweather_map weather_map

Ad by Google

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.