Hanahan, SC Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Hanahan, SC

June 24, 2024 3:39 PM EDT (19:39 UTC) Change Location
Sunrise 6:11 AM   Sunset 8:33 PM
Moonrise 10:13 PM   Moonset 7:38 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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AMZ330 Charleston Harbor- 245 Pm Edt Mon Jun 24 2024

Tonight - SW winds 10 to 15 kt with gusts to 20 kt, diminishing to 5 to 10 kt late. Scattered showers and tstms until early morning, then isolated showers and tstms late.

Tue - SW winds 5 to 10 kt, becoming se in the afternoon. A chance of showers and tstms in the afternoon.

Tue night - S winds 5 to 10 kt. A chance of showers and tstms, mainly in the evening.

Wed - S winds 5 kt, increasing to 10 to 15 kt in the afternoon. A slight chance of showers and tstms in the morning, then a chance of showers and tstms in the afternoon.

Wed night - S winds 10 kt. A chance of showers and tstms in the evening.

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

Thu night - S winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. A chance of showers and tstms.

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

Fri night - SE winds 5 to 10 kt. A slight chance of showers and tstms.

Sat - SE winds 5 to 10 kt. A slight chance of showers and tstms.

Sat night - S winds 5 to 10 kt.
winds and waves higher in and near tstms.
unless otherwise noted, waves 1 foot or less.
charleston harbor water temperature 84 degrees.

AMZ300 245 Pm Edt Mon Jun 24 2024

Synopsis for the coastal waters of south coastal south carolina and north coastal georgia - High pressure will remain over the western atlantic while a weak cold front approaches the area. This front will likely linger near the area through mid-week.


7 Day Forecast for Marine Location Near Hanahan, SC
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Area Discussion for - Charleston, SC
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FXUS62 KCHS 241915 AFDCHS

Area Forecast Discussion National Weather Service Charleston SC 315 PM EDT Mon Jun 24 2024

SYNOPSIS
High pressure will remain over the western Atlantic while a weak cold front approaches the area. This front will likely linger near the area through mid-week.

NEAR TERM /THROUGH TONIGHT/
Convection has been very slow to develop today. The last few runs of the WoFS since the initial 24/17z run have been trending drier with each run. Pops through the remainder of the afternoon have been lowered to 20-30% as a result. Dewpoints are finally showing signs of mixing out inland, but are holding well into the 70s across the coastal corridor. Heat indices have been as high as 108-113 based on the more reliable observation sites (with RAP dewpoint confirmation), mainly just inland from the coast where dewpoints are running in the mid-upper 70s. The current Heat Advisory through 6 PM looks on track. Heat indices may surge a bit farther inland as the sea breeze moves inland, but any 108+ values should hold in the current advisory area.
There may also be an isolated 113+, but any such instances look to remain fairly isolated and not enough for an upgrade to an Excessive Heat Warning.

Later this evening, the tail end of convection moving across the Pee Dee could interact with the inland moving sea breeze to spark off additional showers/tstms. There is a modest signal showing this cluster impacting areas roughly along/north of the I-26 corridor. Pops as high as 40-50% were highlighted in this area with 20-30% elsewhere. An isolated strong/severe tstm could occur with elevated DCAPE in place. Once convection moves offshore and/or dissipates, expect a warm/humid night with lows from the lower-mid 70s well inland to the lower 80s at the beaches and Downtown Charleston.

SHORT TERM /TUESDAY THROUGH THURSDAY/
Broad troughing will persist across the East Coast on Tuesday, gradually shifting to zonal flow on Wednesday and a return to broad troughing Thursday. At the surface a weak cold front will likely linger in the vicinity of the forecast area through midweek. 850 hPa temperature anomalies will remain rather warm through the period, which combined with little mixing each day, will yield hot and humid conditions. Heat index values are forecast to reach 102-107F inland. A few spots may make a run at 108F along the coastal counties, however coverage of these values is not enough to warrant Heat Advisories at this juncture. Each afternoon isolated to scattered showers and thunderstorms will be possible, as PWATs remain elevated with the front in the vicinity. PWAT values are forecast to remain near 1.6-1.8", which is slightly above normal for this time of year. CAPE values are forecast to reach around 1500 J/kg, with model soundings indicating >1000 J/kg of DCAPE. A strong to marginally severe thunderstorm cannot be ruled out any afternoon, with strong wind gusts as the main hazard.

LONG TERM /THURSDAY NIGHT THROUGH SUNDAY/
An anticyclone aloft will be positioned over the southern U.S.
and will slowly shift eastward over the southeastern states through the weekend. At the surface high pressure will extend into the forecast area from the east with the center of high pressure centered over Bermuda. Hot and humid conditions will likely persist into the weekend. Head index values are forecast to reach from around 103- 105F inland with values approaching 108F along the coastline. Head Advisories may be required. A summertime pattern is expected through the period, with the highest precipitation chances in the afternoon hours.

AVIATION /18Z MONDAY THROUGH SATURDAY/
24/18z TAF Discussion: KCHS/KJZI/KSAV: Best chances for tstm impacts this afternoon will be at KSAV and possibly a far north as KJZI. VCTS will be highlighted at both terminals from roughly 19-21z with a TEMPO for MVFR conditions in TSRA at the same time at KSAV. Risk for showers/tstms could increase at KCHS by mid-evening as some interaction with an approaching surface trough and inland moving sea breeze occurs. VCSH was highlighted 02-05z for now to trend. Otherwise, VFR through the period.

Extended Aviation Outlook: Brief flight restrictions will be possible at all terminals with afternoon showers and thunderstorms.

MARINE
Tonight: South to southwest winds 15-20 kt will dominate the waters tonight. There may be a few gusts to 25 kt, but durations do not look long enough to support a Small Craft Advisory at this time. Seas will average 3-5 ft.

Tuesday through Friday: Generally tranquil marine conditions are expected through the period. Winds will gradually back each day and veer overnight, strongest along the coastline as the afternoon sea breeze/overnight land breeze develops. Seas should average 2 to 3 ft.

CLIMATE
The low temperature at KCHS so far today is 80. If this holds, this will break the previous record high minimum of 79 set back 2016.

CHS WATCHES/WARNINGS/ADVISORIES
GA...Heat Advisory until 6 PM EDT this evening for GAZ117-119-139- 141.
SC...Heat Advisory until 6 PM EDT this evening for SCZ048>051.
MARINE...None.




Weather Reporting Stations
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Stations Dist Age Wind AirWater WavesinHgDewPt
CHTS1 9 mi51 minSW 8G12 91°F 84°F29.87
41029 - Capers Nearshore (CAP 2) 18 mi91 minSSW 18G21 82°F 82°F29.8679°F
41065 19 mi77 min 5 ft
41066 30 mi91 minSW 14G19 82°F 82°F29.8878°F
41076 30 mi91 min 4 ft
ACXS1 - ACE Basin Reserve, SC 36 mi114 minSW 2.9 93°F 29.8676°F


Wind History for Charleston, SC
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Airport Reports
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Wind History graph: CHS
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Tide / Current for Clouter Creek, north entrance, Cooper River, South Carolina
   
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Clouter Creek
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Mon -- 05:09 AM EDT     0.03 feet Low Tide
Mon -- 06:12 AM EDT     Sunrise
Mon -- 08:37 AM EDT     Moonset
Mon -- 11:12 AM EDT     5.00 feet High Tide
Mon -- 05:03 PM EDT     -0.08 feet Low Tide
Mon -- 08:31 PM EDT     Sunset
Mon -- 11:13 PM EDT     Moonrise
Mon -- 11:45 PM EDT     6.42 feet High Tide
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Clouter Creek, north entrance, Cooper River, South Carolina, Tide feet
12
am
6.1
1
am
5
2
am
3.5
3
am
1.9
4
am
0.6
5
am
0
6
am
0.3
7
am
1.3
8
am
2.6
9
am
3.8
10
am
4.6
11
am
5
12
pm
4.8
1
pm
4
2
pm
2.7
3
pm
1.4
4
pm
0.4
5
pm
-0.1
6
pm
0.3
7
pm
1.3
8
pm
2.9
9
pm
4.4
10
pm
5.5
11
pm
6.2


Tide / Current for Charleston Harbor Entrance, South Carolina Current
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Charleston Harbor Entrance
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Mon -- 02:01 AM EDT     -2.82 knots Max Ebb
Mon -- 05:11 AM EDT     0.00 knots Slack
Mon -- 06:12 AM EDT     Sunrise
Mon -- 07:26 AM EDT     1.54 knots Max Flood
Mon -- 08:37 AM EDT     Moonset
Mon -- 10:49 AM EDT     -0.00 knots Slack
Mon -- 02:01 PM EDT     -2.24 knots Max Ebb
Mon -- 04:55 PM EDT     0.00 knots Slack
Mon -- 07:47 PM EDT     1.86 knots Max Flood
Mon -- 08:31 PM EDT     Sunset
Mon -- 11:12 PM EDT     Moonrise
Mon -- 11:34 PM EDT     -0.00 knots Slack
Tide / Current data from XTide NOT FOR NAVIGATION
Sorry tide depth graphs only, please select another station.

Charleston Harbor Entrance, South Carolina Current, knots
12
am
-1.4
1
am
-2.4
2
am
-2.8
3
am
-2.4
4
am
-1.4
5
am
-0.2
6
am
0.8
7
am
1.5
8
am
1.5
9
am
1.1
10
am
0.6
11
am
-0.2
12
pm
-1.1
1
pm
-1.9
2
pm
-2.2
3
pm
-1.9
4
pm
-1
5
pm
0.1
6
pm
1
7
pm
1.7
8
pm
1.9
9
pm
1.6
10
pm
1.2
11
pm
0.6


Weather Map
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GEOS Local Image of southeast   
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Charleston, SC,




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