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Elev 14 ft, 32.79 °N, 80.11 °W

Johns Island, SC Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Johns Island, SC
Elevation: 14ft
Nearby Weather Stations

Active Weather Alerts

Rip Current Statement
Issued: 6:23 AM Oct. 28, 2026 – National Weather Service
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO
NOON EDT TODAY...

* WHAT...For the High Rip Current Risk, dangerous rip currents.
For the Coastal Flood Advisory, up to one foot of inundation
above ground level expected along shorelines and tidal
waterways (7.6 to 7.8 feet Mean Lower Low Water at Charleston).

* WHERE...Coastal Colleton and Charleston Counties.

* WHEN...For the High Rip Current Risk, through this evening.
For the Coastal Flood Advisory, from 8 AM this morning to noon
EDT today.

* IMPACTS...This will result in some roads becoming impassable
and minor flooding of properties. Rip currents can sweep even
the best swimmers away from shore into deeper water.

* ADDITIONAL DETAILS...High tide will occur around 9:57 AM today
at Charleston. Saltwater inundation will be possible 1 to 2
hours before and after high tide.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Visit water.weather.gov for additional water level and flood
impact information.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

Time of high total tides are approximate to the nearest hour.

Charleston Harbor SC
MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft

Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
27/09 PM     6.4        0.6        0.8       N/A      None
28/10 AM     7.7        1.9        0.8       N/A    Moderate
28/10 PM     6.3        0.5        0.8       N/A      None
29/11 AM     7.6        1.8        0.9       N/A    Moderate
29/11 PM     6.1        0.3        0.8       N/A      None
30/12 PM     7.3        1.5        0.8       N/A     Minor

&&

Coastal Flood Advisory
Issued: 6:23 AM Oct. 28, 2026 – National Weather Service
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING...
...COASTAL FLOOD ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO
NOON EDT TODAY...

* WHAT...For the High Rip Current Risk, dangerous rip currents.
For the Coastal Flood Advisory, up to one foot of inundation
above ground level expected along shorelines and tidal
waterways (7.6 to 7.8 feet Mean Lower Low Water at Charleston).

* WHERE...Coastal Colleton and Charleston Counties.

* WHEN...For the High Rip Current Risk, through this evening.
For the Coastal Flood Advisory, from 8 AM this morning to noon
EDT today.

* IMPACTS...This will result in some roads becoming impassable
and minor flooding of properties. Rip currents can sweep even
the best swimmers away from shore into deeper water.

* ADDITIONAL DETAILS...High tide will occur around 9:57 AM today
at Charleston. Saltwater inundation will be possible 1 to 2
hours before and after high tide.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.

Visit water.weather.gov for additional water level and flood
impact information.

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

Time of high total tides are approximate to the nearest hour.

Charleston Harbor SC
MLLW Categories - Minor 7.0 ft, Moderate 7.5 ft, Major 8.0 ft
MHHW Categories - Minor 1.2 ft, Moderate 1.7 ft, Major 2.2 ft

Total      Total    Departure
Day/Time    Tide       Tide     from Norm   Waves    Flood
ft MLLW    ft MHHW       ft       ft      Impact
--------  ---------  ---------  ---------  -------  --------
27/09 PM     6.4        0.6        0.8       N/A      None
28/10 AM     7.7        1.9        0.8       N/A    Moderate
28/10 PM     6.3        0.5        0.8       N/A      None
29/11 AM     7.6        1.8        0.9       N/A    Moderate
29/11 PM     6.1        0.3        0.8       N/A      None
30/12 PM     7.3        1.5        0.8       N/A     Minor

&&

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