Skip Navigation Links weather.gov 
NOAA logo-Select to go to the NOAA homepage NDBC Title GraphicClick to go to NDBC home page   Select to go to the NWS homepage
Home About Us Contact Us
 
 
    
    Station List

 Data Access
    Mobile Access
    Classic Maps
         Recent
         DART®
    Obs Search
    Ship Obs Report
    BuoyCAMs
    TAO
    DODS
    OceanSITES
    HF Radar
    OSMC
    Dial-A-Buoy
    RSS Feeds Image indicating link to RSS feed access page
    Web Widget
    Web Data Guide
    Maintenance Schedule
    Station Status Report

 Program Info
    TAO
    DART®
    IOOS®

 Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

 Visitor Information
 
USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 230824
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
324 AM EST Sat Jan 23 2021

South Santee River SC to Savannah GA out 20 NM and Savannah GA
to Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-232115-
324 AM EST Sat Jan 23 2021

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
High pressure will prevail through the weekend. A cold front will
impact the region Tuesday, followed by another storm system mid
week. High pressure will return late week.



AMZ330-232115-
Charleston Harbor-
324 AM EST Sat Jan 23 2021

TODAY
N winds 5 kt, becoming NE 10 to 15 kt. Areas of dense
fog early. Vsby 1/4 NM or less early.

TONIGHT
NE winds 10 kt.

SUN
NE winds 10 kt.

SUN NIGHT
SE winds 5 kt. A slight chance of showers.

MON
S winds 5 to 10 kt. A slight chance of showers.

MON NIGHT
SW winds 10 to 15 kt.

TUE
SW winds 10 to 15 kt. A slight chance of showers.

TUE NIGHT
W winds 5 to 10 kt. A chance of showers.

WED
NE winds 5 to 10 kt. A chance of showers.

WED NIGHT
NE winds 5 to 10 kt. Showers likely.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 53 degrees.



AMZ350-232115-
Waters from South Santee River to Edisto Beach SC out 20 NM-
324 AM EST Sat Jan 23 2021

TODAY
N winds 5 to 10 kt, becoming NE 15 to 20 kt. Seas 1
foot, then 3 to 4 ft. Areas of dense fog early. Vsby 1/4 NM or
less early.

TONIGHT
NE winds 10 to 15 kt with gusts to 20 kt. Seas 3 to
4 ft, subsiding to 2 to 3 ft after midnight.

SUN
E winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
E winds 5 to 10 kt, becoming S after midnight. Seas
2 to 3 ft. A slight chance of showers.

MON
S winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to 5 ft
in the afternoon. A slight chance of showers.

MON NIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
5 ft, building to 4 to 6 ft after midnight. A slight chance of
showers.

TUE
SW winds 15 to 20 kt. Seas 4 to 6 ft. A slight chance of
showers.

TUE NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

WED
NE winds 10 to 15 kt. Seas 3 to 4 ft. A chance of showers.

WED NIGHT
NE winds 10 to 15 kt. Seas 3 to 4 ft. Showers
likely. 



AMZ352-232115-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
324 AM EST Sat Jan 23 2021

TODAY
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt early this morning, then becoming NE 15 to 20 kt late
this morning. Seas 1 foot, then 3 to 4 ft. Areas of dense fog
early. Vsby 1/4 NM or less early.

TONIGHT
NE winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft,
subsiding to 2 to 3 ft after midnight.

SUN
E winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
E winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 3 ft.

MON
S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon.

MON NIGHT
SW winds 15 to 20 kt. Seas 4 to 5 ft.

TUE
SW winds 15 to 20 kt. Seas 3 to 4 ft.

TUE NIGHT
W winds 10 to 15 kt. Seas 2 to 3 ft. A chance of
showers.

WED
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

WED NIGHT
N winds 10 to 15 kt. Seas 3 to 4 ft. Showers likely.



AMZ354-232115-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
324 AM EST Sat Jan 23 2021

TODAY
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
to 20 kt this morning, then becoming NE 15 to 20 kt this
afternoon. Seas 1 foot, then 3 to 4 ft. Areas of dense fog early.
Vsby 1/4 NM or less early.

TONIGHT
NE winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.

SUN
NE winds 10 to 15 kt. Seas 2 to 3 ft.

SUN NIGHT
E winds 5 to 10 kt, becoming SE after midnight. Seas
2 to 3 ft.

MON
S winds 5 to 10 kt, increasing to 10 to 15 kt in the
afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the
afternoon.

MON NIGHT
SW winds 15 kt with gusts to 20 kt. Seas 3 to 4 ft.

TUE
SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers.

TUE NIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft. A chance of
showers.

WED
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

WED NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers. 



AMZ374-232115-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
324 AM EST Sat Jan 23 2021

TODAY
N winds 10 to 15 kt, becoming NE 15 to 20 kt late this
morning. Seas 2 to 3 ft, building to 4 to 5 ft this afternoon.

TONIGHT
NE winds 15 to 20 kt. Seas 4 to 5 ft.

SUN
E winds 10 to 15 kt. Seas 3 to 4 ft.

SUN NIGHT
SE winds 5 to 10 kt, becoming S after midnight. Seas
3 to 4 ft.

MON
S winds 10 to 15 kt. Seas 4 to 5 ft, building to 4 to 6 ft
in the afternoon.

MON NIGHT
SW winds 15 to 20 kt. Seas 4 to 6 ft, building to
5 to 6 ft after midnight.

TUE
SW winds 15 to 20 kt. Seas 4 to 6 ft.

TUE NIGHT
W winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers.

WED
NE winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.

WED NIGHT
SW winds 10 to 15 kt. Seas 4 to 5 ft. A chance of
showers.