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Marine Weather and Tide Forecast for Conway, SC

April 30, 2025 8:45 AM EDT (12:45 UTC)
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Sunrise 6:26 AM   Sunset 8:00 PM
Moonrise 7:27 AM   Moonset 10:54 PM 
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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
AMZ254 Coastal Waters From Little River Inlet To Murrells Inlet Sc Out 20 Nm- 530 Am Edt Wed Apr 30 2025

Today - SW winds 10 to 15 kt, becoming S 15 to 20 kt late. Seas 2 to 3 ft. Wave detail: S 3 ft at 5 seconds and se 3 ft at 8 seconds.

Tonight - SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 4 seconds and E 2 ft at 8 seconds.

Thu - SW winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds.

Thu night - S winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and E 2 ft at 8 seconds.

Fri - S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Seas 3 to 4 ft. Wave detail: S 3 ft at 5 seconds and E 1 ft at 8 seconds.

Fri night - S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas 3 to 4 ft. Wave detail: S 3 ft at 5 seconds and E 1 ft at 8 seconds.

Sat - S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers. A chance of tstms in the afternoon.

Sat night - S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of tstms in the evening. Showers likely.

Sun - NE winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely, mainly in the morning.

Sun night - NE winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers.
winds and seas higher in and near tstms.
AMZ200 530 Am Edt Wed Apr 30 2025

Synopsis for coastal waters from surf city north carolina to south santee river south carolina out to 20 nautical miles - High pressure will remain centered between bermuda and the carolinas through Friday. A cold front will approach from the west Saturday and may stall near the area early next week.

7 Day Forecast for Marine Location Near Conway, SC
   
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Tide / Current for Conway, RR. bridge, Waccamaw River, South Carolina
  
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Conway
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Wed -- 05:47 AM EDT     1.69 feet High Tide
Wed -- 06:27 AM EDT     Sunrise
Wed -- 08:26 AM EDT     Moonrise
Wed -- 12:18 PM EDT     -0.14 feet Low Tide
Wed -- 06:16 PM EDT     1.28 feet High Tide
Wed -- 07:59 PM EDT     Sunset
Wed -- 11:54 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Conway, RR. bridge, Waccamaw River, South Carolina does not exist in database. Press Edit above and select a valid nearby location.

Conway, RR. bridge, Waccamaw River, South Carolina, Tide feet
12
am
-0.4
1
am
-0.1
2
am
0.4
3
am
0.9
4
am
1.3
5
am
1.6
6
am
1.7
7
am
1.5
8
am
1.2
9
am
0.8
10
am
0.4
11
am
0
12
pm
-0.1
1
pm
-0.1
2
pm
0.2
3
pm
0.5
4
pm
0.9
5
pm
1.1
6
pm
1.3
7
pm
1.2
8
pm
1
9
pm
0.7
10
pm
0.3
11
pm
-0.1

Tide / Current for Keysfield, Waccamaw River, South Carolina
  
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Keysfield
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Wed -- 04:37 AM EDT     1.90 feet High Tide
Wed -- 06:28 AM EDT     Sunrise
Wed -- 08:27 AM EDT     Moonrise
Wed -- 11:10 AM EDT     -0.17 feet Low Tide
Wed -- 05:06 PM EDT     1.43 feet High Tide
Wed -- 07:59 PM EDT     Sunset
Wed -- 11:12 PM EDT     -0.32 feet Low Tide
Wed -- 11:53 PM EDT     Moonset
Tide / Current data from XTide NOT FOR NAVIGATION
        
  Sorry, Keysfield, Waccamaw River, South Carolina does not exist in database. Press Edit above and select a valid nearby location.

Keysfield, Waccamaw River, South Carolina, Tide feet
12
am
-0.1
1
am
0.5
2
am
1.1
3
am
1.6
4
am
1.8
5
am
1.9
6
am
1.7
7
am
1.3
8
am
0.8
9
am
0.4
10
am
0
11
am
-0.2
12
pm
-0.1
1
pm
0.2
2
pm
0.7
3
pm
1
4
pm
1.3
5
pm
1.4
6
pm
1.3
7
pm
1.1
8
pm
0.7
9
pm
0.2
10
pm
-0.1
11
pm
-0.3

Area Discussion for Wilmington, NC
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FXUS62 KILM 301033 AFDILM

Area Forecast Discussion National Weather Service Wilmington NC 633 AM EDT Wed Apr 30 2025

SYNOPSIS
High pressure off the coast will bring unusually warm temperatures through the rest of the week. Shower and thunderstorm chances will increase over the weekend as a cold front approaches from the west. This front may linger near the area next week, keeping cloudiness and showers around.

NEAR TERM /THROUGH TONIGHT/
Surface high pressure will remain between the Carolina coast and Bermuda, shifting southward just enough to turn our low level winds southwesterly. Compared to yesterday this should limit the amount of cooling marine influence for locations like Burgaw, Wilmington, and Conway which should run 5-7 degrees hotter today. Dewpoints have been creeping up a little each of the past few days and even during peak mixing should remain in the 58-61 range this afternoon. Despite the increasing theta-e, warm and dry air aloft within the 700 mb ridge centered over South Carolina should keep the area rain-free.

Forecast highs range from the mid to upper 70s at the beaches to the upper 80s inland. This should be one of the top 3 warmest days of the year (so far) in Florence and could be the warmest in Lumberton.
Air temperature differences from offshore to inland reaching 15-18 degrees should fuel a healthy seabreeze with winds at the beaches increasing to 15-20 mph from mid afternoon through early evening.

Storms could fire across northern and central North Carolina late this afternoon outside of the subsidence within our mid level ridge.
There's a low chance one of these showers or storms could approach Robeson or Bladen counties early this evening, but forecast PoPs remain less than 10 percent in accordance with the latest HRRR.
Enough low level wind should continue tonight to keep temperatures warmer than the past few nights and forecast lows range from 62-65, except a few degrees cooler across the inland southern portion of the Pee Dee region where winds have the best chance to dip to calm overnight.

SHORT TERM /THURSDAY THROUGH THURSDAY NIGHT/
Another abnormally warm and dry day looks to be in store for Thursday as offshore high pressure keeps south-southwesterly low-level flow in place while mid-level ridging maintains subsidence and dry air above any shallow cumulus clouds that manage to develop. Highs are expected to reach the mid-upper 80s away from the coast with low-mid 80s nearer to the shore.
The pressure gradient between the offshore high and low pressure over the Great Lakes should keep steady south- southwesterly winds going all night with lows in the low-mid 60s.

LONG TERM /FRIDAY THROUGH TUESDAY/
The trend towards a slower, sharper mid-level shortwave trough leading to a slower cold front continues, with guidance now suggesting a closed mid-upper low will take shape over the Ohio Valley over the weekend. While the GFS and its ensembles remain progressive with the shortwave, which is a known bias, both the Canadian and European operational models and their ensembles continue to trend in this slower and more amplified direction. The confidence in the forecast for this weekend remains abnormally low, and those with weekend events or plans should continue to monitor future forecast updates as this situation evolves.

The slower timing of the cold front means that Friday should end up being a mostly dry day, except perhaps for isolated pop- up showers and storms near and west of the I-95 corridor. Highs in the mid-upper 80s can be expected with low-mid 80s near the coast once again. Depending on how far west the cold front is, Friday night may also end up being dry with muggy lows in the mid-upper 60s as steady south-southwesterly winds continue in light of a tightening pressure gradient.

On Saturday, the location of the cold front is crucial as this will determine whether scattered to numerous showers and storms develop over the area ahead of it, or if only isolated pop-up convection develops before more widespread activity arrives late in the day and/or overnight. PoPs are held in the 40-60% range for the afternoon, but this period is subject to change in future updates - drier if the front is further west. Otherwise, yet another abnormally warm day would be in store with a slower cold front, leading to mid-upper 80s inland once again. At this time, temps are nudged a degree or two up to mark this trend, with mid-80s now forecast inland.

Confidence remains low in what happens from Saturday onward as the guidance continues its trend towards not just a sharper shortwave trough, but a significant closed mid-upper low taking shape over the Ohio Valley, which is notoriously difficult to forecast. Details regarding its position, magnitude, and the spokes of vorticity rotating around its center will have significant implications on whether we see a clean cold frontal passage with dry and mild weather in its wake or precip chances lingering into next week. For now, PoPs have seen an upward adjustment from the previous forecast, with rain chances holding in the 20-40% range from Sunday through Tuesday, with additional adjustments expected in the coming days as finer- scale details hopefully become clearer. Temperatures will also be subject to change pending these details.

AVIATION /12Z WEDNESDAY THROUGH SUNDAY/
VFR conditions are expected to continue over the coming 24 hours. There there is a very low (<10%) chance of a shower or thunderstorm approaching the KLBT airport from the north this evening between 23z-03z.

Extended Outlook...VFR conditions are expected through Friday.
There is a low moderate probability of periodic MVFR/IFR visibility in showers and thunderstorms Friday night, increasing to a moderate probability Saturday into Sunday.

MARINE
Through Tonight...Surface high pressure between the Carolinas and Bermuda will sink a little farther south today as a storm system moving across New England lowers pressures across the Mid Atlantic region. This will tend to veer our wind directions about 30 degrees clockwise from yesterday. Combined with today's seabreeze, wind speeds could increase to as high as 15-20 knots nearshore late this afternoon into this evening. Although mariners this evening may see thunderstorms in the distance to the north, this convective activity is expected to remain north of Surf City with no impacts across our portion of the Carolinas.

Thursday through Sunday...
Offshore high pressure will remain in place through the weekend, maintaining south-southwesterly flow with enhanced flow nearshore due to the sea breeze and abnormally warm temps over land. The cold front slated for Saturday continues to carry low confidence as guidance tools continue to delay its arrival.
Showers and thunderstorms can be expected along and ahead of it when it does arrive, and the front may linger near the area into next week. Seas are expected to hold in the 2-3 ft range through Friday before the approaching front tightens the pressure gradient and drives increasing wind waves into the 3-4 ft range over the weekend. The ever-present ESErly 8 sec swells are expected to hold in the 1-2 ft range through the period with southerly wind waves dominating the wave spectrum.

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


Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
MROS1 - 8661070 - Springmaid Pier, SC 14 mi45 minW 7G11 68°F 72°F30.20
SSBN7 29 mi35 min 70°F2 ft
41024 - Sunset Nearshore (SUN 2) 30 mi37 minWSW 12G16 70°F 70°F30.1866°F
NIWS1 - North Inlet-Winyah Bay Reserve, SC 35 mi60 minSSW 1.9 66°F 30.1863°F


Wind History for Springmaid Pier, SC
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Airport Reports
   
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KHYW CONWAYHORRY COUNTY,SC 4 sm30 mincalm10 smClear63°F61°F94%30.20
KMYR MYRTLE BEACH INTL,SC 12 sm52 minW 0410 smClear66°F61°F83%30.21
KCRE GRAND STRAND,SC 17 sm52 minno data10 smClear66°F61°F83%30.19

Weather Map
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GEOS Local Image of southeast  
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Wilmington, NC,





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