Wednesday, February24, 2021
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Marine Weather and Tides
Florence, SC

Version 3.4
NOTICE
1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:51AMSunset 6:12PM Wednesday February 24, 2021 9:49 PM EST (02:49 UTC) Moonrise 3:25PMMoonset 5:16AM Illumination 97% Phase: Waxing Gibbous; Moon at 13 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- 643 Pm Est Wed Feb 24 2021
Tonight..SW winds 10 to 15 kt. Seas 2 to 3 ft.
Thu..W winds 5 to 10 kt, becoming S in the afternoon. Seas 2 to 3 ft.
Thu night..E winds 10 to 15 kt, becoming ne 15 to 20 kt after midnight. Seas 3 to 4 ft.
Fri..NE winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. A slight chance of rain in the morning, then a chance of rain in the afternoon.
Fri night..E winds 15 to 20 kt with gusts up to 25 kt, becoming se 5 to 10 kt after midnight. Seas 3 to 5 ft. A chance of showers.
Sat..SW winds 5 to 10 kt. Seas 3 to 4 ft.
Sat night..S winds 5 to 10 kt. Seas 2 to 3 ft.
Sun..SW winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers through the night.
Mon..SW winds 10 to 15 kt, becoming n. Seas 3 to 5 ft. Showers likely through the day, then a chance of showers through the night.
AMZ200 643 Pm Est Wed Feb 24 2021
Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles.. Southerly flow continues tonight around offshore high pressure. A dry cold front drops south across the area on Thursday, stalling to the south Thursday night through Friday. Weak surface lows will move along the front Friday into the upcoming weekend bringing unsettled weather. Sca conditions possible for nc coastal waters Friday into Saturday.


7 Day Forecast for Marine Location Near Florence, SC
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location: 34.14, -79.74     debug


Area Discussion for - Wilmington, NC
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FXUS62 KILM 250239 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 939 PM EST Wed Feb 24 2021

SYNOPSIS. A weak boundary will slip through from the north today but Thursday will still remain on the mild side of climatology as the cool behind the boundary is delayed until Friday. It will wash out over the weekend allowing for a warmup. Rain will return on Monday, possibly lingering into early next week.

UPDATE. No changes with the mid and late evening updates.

NEAR TERM /THROUGH THURSDAY NIGHT/. Continued warm advection tonight around offshore high pressure will keep min temps above normal in the mid to upper 40s. A shallow and dry cold front approaches from the north early Thursday, moving across the area during the day. Parallel flow aloft will slow the front's progress, with it finally being pushed just to our south Thursday night as high pressure moves north of the area. Mid level clouds near and just behind the front Thursday may limit max temps. Current forecast is slightly below MOS guidance in the mid to upper 60s, with higher values to the south. Depending on timing and extent of cloud cover, could see max temps differ by several degrees from forecast. Increased cloud cover and light northeast winds will keep temps Thursday night in the low to mid 40s.

SHORT TERM /FRIDAY THROUGH FRIDAY NIGHT/. Surface wedge will be set up Friday as a low amplitude and very progressive shortwave passes by late in the day. Temperatures and convective potential a bit difficult to assess as the eastern periphery of the wedge may give way to a warm front moving in from the ocean according to some guidance. With the absence of a wedge- enforcing confluence of mid level flow the main factor that should maintain the wedge will be rainfall . which will likely be a bit slower than forecast, a common model bias. Additionally the highest QPF stays over far northwestern zones. Have opened up the high temp forecast a bit by allowing for warmer temps along the coast while inland struggles with the wedge a bit. Wedge breaks down Friday night, possibly enough for a non-diurnal curve.

LONG TERM /SATURDAY THROUGH WEDNESDAY/. With the wedge gone a broad but weak swath of southerly surface flow will develop Saturday with WSW flow aloft. This will favor a warm afternoon with temperature at or just above 70. A few showers and perhaps a thunderstorm become possible on Sunday with the approach of a cold front and a mid level back to SW. Overall with some degree of cloud cover lingering some of the warmer temperature guidance implying temperatures near 80 appears ambitious, though Sunday will wind up the warmer of the two afternoons. The front pushes through on Monday, possibly favoring morning highs followed by decreasing temperatures. Rain coming largely after FROPA due to lagging mid level shortwaves in the still low amplitude flow. The next high that builds in will serve as an overrunning surface for a possibly healthy rainfall on Tuesday.

AVIATION /03Z THURSDAY THROUGH MONDAY/. VFR conditions expected through the period. Winds will shift around to the north then northeast later tomorrow with the passage of a dry cold front. Some clouds associated with this feature as well but certainly nowhere near any flight restrictions.

Extended Outlook . VFR to dominate thru late Thu with high pressure prevailing across the Carolinas. Cold front to drop south and stall across the area late Thu night into Sun with periods of MVFR/IFR possible Fri thru Sun.

MARINE. Through Thursday Night . Relatively quiet marine conditions continue through Thursday night. 10-15 kt SW flow tonight will weaken to less than 10 kts Thursday as a slow moving cold front drops south across the area. Behind the front, 15-20 kt northeast winds develop over the coastal waters Thursday evening and night. 2-3 ft seas tonight and during the day Thursday increase to 3-4 ft Thursday night, primarily wind waves with a 1 ft 9 sec SE swell mixed in.

Friday through Monday . Friday initializes with a wedge-induced pinched gradient winds out of the NE. Guidance is trending towards turning the wind ashore with a warm front later in the day but little drop in wind speed. This could import/advect a few 6 ft seas along the outer edges of our 20 nm forecast zones necessitating a Small Craft Advisory. The wedge will be gone on Saturday but some backswell could still keep Advisory flags in effect at least over northern zones as Cape Fear may lead to wave height shadowing further south. Southwesterly flow on Sunday will increase with the approach of a cold front. For now it appears that 6 ft seas remain outside of 20 nm including as we head into Monday. The later Monday FROPA will help to keep these larger waves at bay especially as the wind speeds decrease as the high builds in behind the boundary.

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

SYNOPSIS . ILM UPDATE . SHK NEAR TERM . VAO SHORT TERM . mbB LONG TERM . mbB AVIATION . SHK MARINE .


Weather Reporting Stations
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Stations Dist Age Wind Air TempWater Temp WavesPressureDewPt
WATS1 - Lake Wateree, SC 53 mi79 min Calm G 1.9 56°F 1016.9 hPa
MROS1 - 8661070 - Springmaid Pier, SC 55 mi49 min 53°F

Wind History for Springmaid Pier, SC
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Florence - Florence Regional Airport, SC4 mi56 minSSW 710.00 miFair60°F38°F44%1017.4 hPa
Marion County Airport, SC22 mi54 minSSW 810.00 miFair57°F37°F48%1017.9 hPa
Darlington, Darlington County Jetport Airport, SC23 mi53 minSSW 510.00 miFair57°F39°F51%1017.5 hPa

Link to 5 minute data for KFLO

Wind History from FLO (wind in knots)
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Last 24hrSW5S3CalmCalmCalmCalmCalmCalmCalmCalmCalmCalmSE4S6SW10SW14SW15SW12
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1 day agoCalmCalmSW3W5W7W6W6W6W6W4W4W5CalmW6W8W11
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2 days agoE4E3E7SE3E5E3N4E3CalmS4CalmS8S14S10
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SW7N6CalmCalmCalm

Tide / Current Tables for Rhems, Black Mingo Creek, Black River, South Carolina
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Rhems
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Wed -- 05:13 AM EST     Moonset
Wed -- 05:27 AM EST     0.11 feet Low Tide
Wed -- 06:51 AM EST     Sunrise
Wed -- 11:33 AM EST     1.94 feet High Tide
Wed -- 03:24 PM EST     Moonrise
Wed -- 06:10 PM EST     Sunset
Wed -- 06:11 PM EST     0.39 feet Low Tide
Wed -- 11:55 PM EST     1.65 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.51.310.60.30.10.20.40.91.31.71.91.91.81.51.20.80.50.40.50.71.11.41.6

Tide / Current Tables for Conway, RR. bridge, Waccamaw River, South Carolina
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Conway
Click for Map
Wed -- 12:23 AM EST     1.07 feet High Tide
Wed -- 05:12 AM EST     Moonset
Wed -- 06:42 AM EST     0.08 feet Low Tide
Wed -- 06:50 AM EST     Sunrise
Wed -- 12:52 PM EST     1.35 feet High Tide
Wed -- 03:22 PM EST     Moonrise
Wed -- 06:08 PM EST     Sunset
Wed -- 07:26 PM EST     0.27 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

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1.110.90.70.50.30.10.10.20.50.81.11.31.31.31.10.90.60.40.30.30.50.70.9

Weather Map
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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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