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Marine Weather and Tide Forecast for Barnwell, SC

June 16, 2025 2:32 AM EDT (06:32 UTC)
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Sunrise 6:15 AM   Sunset 8:40 PM
Moonrise 11:45 PM   Moonset 10:11 AM 
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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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NOTE: Zones were updated 3/20/2025
AMZ330 Charleston Harbor- 219 Am Edt Mon Jun 16 2025

Today - SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts to 20 kt this afternoon. A slight chance of showers and tstms this afternoon.

Tonight - SW winds 10 to 15 kt. A chance of showers and tstms in the evening.

Tue - SW winds 10 to 15 kt. A slight chance of showers and tstms in the afternoon.

Tue night - SW winds 10 to 15 kt with gusts to 20 kt. A slight chance of showers and tstms in the evening.

Wed - SW winds 10 to 15 kt. A slight chance of showers and tstms in the afternoon.

Wed night - SW winds 10 to 15 kt. A slight chance of showers and tstms in the evening.

Thu - SW winds 10 to 15 kt. A slight chance of showers and tstms.

Thu night - SW winds 10 to 15 kt. A slight chance of showers and tstms.

Fri - SW winds 5 to 10 kt. A chance of showers and tstms.

Fri night - SW winds 5 to 10 kt. A slight chance of showers and tstms.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 81 degrees.
AMZ300 219 Am Edt Mon Jun 16 2025

Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - Atlantic high pressure will continue to build across the southeast through the week. A cold front could move through Friday.

7 Day Forecast for Marine Location Near Barnwell, SC
   
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Tide / Current for Cuckolds Creek, Combahee River, South Carolina
  
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Cuckolds Creek
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Sun -- 03:54 AM EDT     3.72 feet High Tide
Sun -- 06:14 AM EDT     Sunrise
Sun -- 09:58 AM EDT     0.60 feet Low Tide
Sun -- 10:05 AM EDT     Moonset
Sun -- 04:20 PM EDT     3.15 feet High Tide
Sun -- 08:32 PM EDT     Sunset
Sun -- 09:55 PM EDT     0.97 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Cuckolds Creek, Combahee River, South Carolina does not exist in database. Press Edit above and select a valid nearby location.

Cuckolds Creek, Combahee River, South Carolina, Tide feet
12
am
2.1
1
am
2.8
2
am
3.3
3
am
3.6
4
am
3.7
5
am
3.5
6
am
3
7
am
2.3
8
am
1.5
9
am
0.9
10
am
0.6
11
am
0.8
12
pm
1.3
1
pm
2
2
pm
2.5
3
pm
2.9
4
pm
3.1
5
pm
3.1
6
pm
2.8
7
pm
2.2
8
pm
1.6
9
pm
1.1
10
pm
1
11
pm
1.2

Tide / Current for Tulifiny River, I-95 bridge, South Carolina
  
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Tulifiny River
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Sun -- 02:33 AM EDT     5.33 feet High Tide
Sun -- 06:15 AM EDT     Sunrise
Sun -- 09:17 AM EDT     0.25 feet Low Tide
Sun -- 10:06 AM EDT     Moonset
Sun -- 02:59 PM EDT     4.51 feet High Tide
Sun -- 08:32 PM EDT     Sunset
Sun -- 09:14 PM EDT     0.41 feet Low Tide
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Tulifiny River, I-95 bridge, South Carolina does not exist in database. Press Edit above and select a valid nearby location.

Tulifiny River, I-95 bridge, South Carolina, Tide feet
12
am
3.8
1
am
4.7
2
am
5.3
3
am
5.3
4
am
4.9
5
am
4.1
6
am
3
7
am
1.9
8
am
0.8
9
am
0.3
10
am
0.5
11
am
1.3
12
pm
2.5
1
pm
3.6
2
pm
4.3
3
pm
4.5
4
pm
4.3
5
pm
3.7
6
pm
2.8
7
pm
1.8
8
pm
0.9
9
pm
0.4
10
pm
0.6
11
pm
1.5

Area Discussion for Columbia, SC
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FXUS62 KCAE 160103 AFDCAE

Area Forecast Discussion National Weather Service Columbia SC 903 PM EDT Sun Jun 15 2025

SYNOPSIS
Warm and humid this afternoon with isolated to scattered showers and thunderstorms. Ridging will build into the Southeast US this week leading to warming temperatures and a more typical summertime pattern. Heat Index values may exceed 100 degrees later this week.

NEAR TERM /UNTIL 8 AM MONDAY MORNING/
Key Message(s):

- Warm and humid conditions continue overnight with a few showers around.

Not much change in the overall pattern with high PWAT's, modest instability, but very limited forcing. A weak shortwave pushed across NC and VA earlier this evening, and based on water vapor imagery, seems to have driven some subsidence across our area.
So, not really expecting much in the way precip overnight with good agreement in the hi-res models. Some overnight and early morning fog-stratus is possible but mid-level clouds will likely mitigate it for the most part.

SHORT TERM /8 AM MONDAY MORNING THROUGH WEDNESDAY/
A deep layered ridge will expand from the western Atlantic into the Southeast United States early next week, bringing a pretty typical summertime pattern to the area. High temps will increase a degree or two each day with values in the low to mid 90s.
Dewpoints solidly in the 70s will combine to produce 100-105F heat indices each day. Increasing mid-level subsidence should limit diurnal convective coverage, though with 1500-2000 J/kg CAPEs each day, isolated to scattered coverage expected.

LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/
A deep layered ridge will expand from the western Atlantic into the Southeast United States early next week, bringing a pretty typical summertime pattern to the area. High temps will increase a degree or two each day with values in the low to mid 90s. Dewpoints solidly in the 70s will combine to produce 100-105F heat indices each day.
Increasing mid-level subsidence should limit diurnal convective coverage, though with 1500-2000 J/kg CAPEs each day, isolated to scattered coverage expected.

AVIATION /00Z MONDAY THROUGH FRIDAY/
VFR conditions generally expected through the period with possible brief restrictions in predawn stratus at AGS/DNL.

Afternoon convection remains isolated and should not have much impact on terminals although a shower may move over OGB so included a tempo there. Otherwise, southerly winds gradually weaken through the night less than 5 knots. Models are not as aggressive with stratus tonight but there are some suggestions if it happens it would be in the CSRA so have included a tempo there for MVFR cigs 09z-13z. Winds should pick up to around 8 to 10 knots after 15z with VFR cumulus cloud development and scattered afternoon convection.

EXTENDED AVIATION OUTLOOK...Brief restrictions are possible each afternoon/evening with typical summertime convection.
Patchy early morning fog and stratus may also cause some restrictions.

CAE WATCHES/WARNINGS/ADVISORIES
SC...None.
GA...None.


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
LMFS1 - Lake Murray SC 61 mi72 minWSW 21G25 78°F


Wind History for Charleston, SC
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KBNL BARNWELL RGNL,SC 3 sm17 minSSW 0410 smClear73°F73°F100%30.08
KAQX ALLENDALE COUNTY,SC 17 sm17 mincalm10 smMostly Cloudy73°F73°F100%30.07

Weather Map
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GEOS Local Image of Southeast  
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Charleston, SC,





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