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
    Email Access
    Web Data Guide
    Maintenance Schedule
    Station Status Report

 Program Info
    TAO
    DART®
    VOS
    IOOS®

 Publications
    NDBC PEA
    NDBC FONSI
    NDBC DQC Handbook

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

The NDBC website is now available only via HTTPS. Please update your bookmarks and/or links to use https://www.ndbc.noaa.gov/.

National Weather Service Marine Forecast FZUS52 KCHS

FZUS52 KCHS 230705
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
305 AM EDT Mon Jul 23 2018

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

AMZ300-231915-
305 AM EDT Mon Jul 23 2018

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
Low pressure will persist over the southeast United States
through Wednesday before dissipating. Atlantic high pressure is
expected to build across the region by late week.



AMZ330-231915-
Charleston Harbor-
305 AM EDT Mon Jul 23 2018

TODAY
S winds 5 kt, increasing to 10 kt late this morning. A
slight chance of showers and tstms this morning, then a chance of
showers and tstms this afternoon.

TONIGHT
S winds 10 kt. A chance of showers and tstms.

TUE
S winds 10 to 15 kt. A chance of showers and tstms.

TUE NIGHT
S winds 10 to 15 kt. A chance of showers and tstms.

WED
S winds 10 to 15 kt. A chance of showers and tstms.

WED NIGHT
S winds 10 to 15 kt. A chance of showers and tstms.

THU
SW winds 5 to 10 kt. A slight chance of showers and tstms.

THU NIGHT
SW winds 10 kt. A slight chance of showers and
tstms.

FRI
SW winds 5 to 10 kt. A slight chance of showers and tstms.

FRI NIGHT
SW winds 10 kt. 

Mariners are reminded that winds and waves higher in and near tstms.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 85 degrees.



AMZ350-231915-
Waters from South Santee River to Edisto Beach SC out 20 NM-
305 AM EDT Mon Jul 23 2018

TODAY
S winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms this morning, then a chance of showers and
tstms this afternoon.

TONIGHT
S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. A chance of showers and tstms.

TUE
S winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. A chance of showers and tstms.

TUE NIGHT
S winds 15 to 20 kt with gusts to 25 kt. Seas 4 to
6 ft. A chance of showers and tstms.

WED
SW winds 15 kt with gusts to 20 kt. Seas 4 to 6 ft,
subsiding to 4 to 5 ft in the afternoon. A chance of showers and
tstms.

WED NIGHT
S winds 15 to 20 kt, becoming SW 10 to 15 kt after
midnight. Seas 4 to 5 ft. A chance of showers and tstms.

THU
SW winds 10 to 15 kt. Seas 4 to 5 ft. A slight chance of
showers and tstms.

THU NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms.

FRI
SW winds 10 kt. Seas 3 to 4 ft. A slight chance of showers
and tstms.

FRI NIGHT
SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ352-231915-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
305 AM EDT Mon Jul 23 2018

TODAY
S winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms this morning, then a chance of showers and
tstms this afternoon.

TONIGHT
S winds 10 to 15 kt. Seas 3 to 4 ft. A chance of
showers and tstms.

TUE
S winds 10 to 15 kt. Seas 4 to 5 ft. A chance of showers
and tstms.

TUE NIGHT
S winds 15 kt with gusts to 20 kt. Seas 4 to 5 ft. A
chance of showers and tstms.

WED
S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to 5 ft. A
chance of showers and tstms.

WED NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. A chance of showers and tstms.

THU
SW winds 10 kt. Seas 3 to 4 ft. A slight chance of showers
and tstms.

THU NIGHT
SW winds 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

FRI
SW winds 5 to 10 kt. Seas 3 ft. A slight chance of showers
and tstms.

FRI NIGHT
SW winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ354-231915-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
305 AM EDT Mon Jul 23 2018

TODAY
S winds 5 to 10 kt. Seas 2 ft. A slight chance of
showers and tstms this morning, then a chance of showers and
tstms this afternoon.

TONIGHT
S winds 10 to 15 kt. Seas 2 to 3 ft, building to 3 to
4 ft after midnight. A chance of showers and tstms.

TUE
S winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms in the morning, then a chance of showers and
tstms in the afternoon.

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. A chance of showers and tstms.

WED
S winds 10 to 15 kt. Seas 3 ft. A chance of showers and
tstms.

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

THU
SW winds 10 kt. Seas 3 ft. A slight chance of showers and
tstms.

THU NIGHT
SW winds 10 kt. Seas 3 ft. A slight chance of
showers and tstms.

FRI
SW winds 5 to 10 kt. Seas 2 to 3 ft. A slight chance of
showers and tstms.

FRI NIGHT
S winds 10 to 15 kt. Seas 3 ft. A slight chance of
showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.



AMZ374-231915-
Waters from Savannah GA to Altamaha Sound GA extending from 20 to
60 NM-
305 AM EDT Mon Jul 23 2018

TODAY
S winds 10 kt. Seas 3 ft. A slight chance of showers and
tstms this morning, then a chance of showers and tstms this
afternoon.

TONIGHT
S winds 10 to 15 kt. Seas 3 to 4 ft, building to 4 to
5 ft after midnight. A chance of showers and tstms.

TUE
S winds 10 to 15 kt. Seas 5 ft. A chance of showers and
tstms.

TUE NIGHT
S winds 15 to 20 kt. Seas 4 to 6 ft. A chance of
showers and tstms.

WED
S winds 15 kt with gusts to 20 kt. Seas 4 to 6 ft, then
around 5 ft in the afternoon. A chance of showers and tstms.

WED NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. A chance of showers and tstms.

THU
SW winds 10 to 15 kt. Seas 4 ft. A slight chance of
showers and tstms.

THU NIGHT
SW winds 10 to 15 kt. Seas 4 ft. A slight chance of
showers and tstms.

FRI
SW winds 5 to 10 kt. Seas 3 to 4 ft. A slight chance of
showers and tstms.

FRI NIGHT
SW winds 10 to 15 kt. Seas 3 to 4 ft. A slight
chance of showers and tstms. 

Mariners are reminded that winds and seas higher in and near tstms.