Cooper River at Charleston Harbor (IN MLLW)
20 mi- Level
- 7.0 ft
- Flow
- 1 cfs
Forecast peak 8.3 ft Mon 8 AM, major flooding
Reading from Sat 8:36 PM · NWS gauge page
3 active weather alerts
Coastal Flood Warning
Starts in 5 h 32 min
- When
- For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
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.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)Rip Current Statement
Ends in 21 h 32 min
- When
- For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
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.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)High Surf Advisory
Ends in 1 day 18 h
- When
- For the High Surf Advisory, until 5 PM EDT Monday. For the High Rip Current Risk, through Sunday evening. For the Coastal Flood Warning, from 4 AM to 11 AM EDT Sunday.
- Where
- Coastal Colleton and Charleston Counties.
Issued for this forecast zone · National Weather Service Charleston SC
What, impacts and precautionsHide details
What
For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Warning, one to two feet of inundation above ground level expected along shorelines and tidal waterways (7.9 to 8.1 feet Mean Lower Low Water at Charleston).
Impacts
Significant saltwater inundation will render numerous roads impassable. Properties may also flood. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional details
High tide will occur around 7:34 AM Sunday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
Precautionary actions
Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.
Visit water.weather.gov for additional water level and flood impact information.
Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
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.
Areas: Coastal Colleton; Charleston
See it on weather.gov (opens in a new tab)
Observed 9:35 PM EDT at KJZI
Rockville, SC weather
Coastal Flood Warning. 66°19° and clear now.
Today: low 56°13°, high 0°−18°.
Now 66°19°
Clear
- Wind
- 11 mph18 km/h
- From the north-northeast. 1118–16 mph26 km/h through 10 AM
- Dew point
- 54°12°
- Comfortable
- Air quality
- 33Good
- Main pollutant: Ozone
Next 48 hours
9°5° warmer than this time yesterday (57°14° then, 66°19° now)
Good hours for
TonightDown to 56°13° by 5 AM
Tomorrow morningUp to 67°19° by 11 AM
Tomorrow afternoonUp to 74°23° by 4 PM
Tomorrow nightDown to 56°13° by 4 AM
Monday morningUp to 66°19° by 11 AM
Monday afternoonUp to 74°23° by 4 PM
Monday nightDown to 60°16° by 9 PM
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 10p | Mostly clear | 63°17° (likely 63°17° to 65°18°) | 63°17° | 0% | 14 mph23 km/h from NE | 81% | — | — |
| Sat 11p | Mostly clear | 62°17° (likely 62°17° to 64°18°) | 62°17° | 0% | 13 mph21 km/h from NE | 84% | — | — |
| Sun 12a | Mostly clear | 60°16° (likely 60°16° to 63°17°) | 60°16° | 0% | 13 mph21 km/h from NE | 87% | — | — |
| Sun 1a | Mostly clear | 59°15° (likely 59°15° to 62°17°) | 59°15° | 0% | 13 mph21 km/h from NE | 87% | — | — |
| Sun 2a | Mostly clear | 58°14° (likely 58°14° to 62°17°) | 58°14° | 0% | 12 mph19 km/h from NE | 90% | — | — |
| Sun 3a | Mostly clear | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 13 mph21 km/h from NE | 93% | — | — |
| Sun 4a | Mostly clear | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 13 mph21 km/h from N | 96% | — | — |
| Sun 5a | Partly cloudy | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 14 mph23 km/h from N | 100% | — | — |
| Sun 6a | Partly cloudy | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 14 mph23 km/h from N | 100% | — | — |
| Sun 7a | Mostly clear | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 15 mph24 km/h from N | 100% | — | — |
| Sun 8a | Partly sunny | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 15 mph24 km/h from N | 100% | — | — |
| Sun 9a | Partly sunny | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 15 mph24 km/h from N | 96% | — | — |
| Sun 10a | Mostly sunny | 64°18° (likely 64°18° to 64°18°) | 64°18° | 0% | 16 mph26 km/h from N | 81% | — | — |
| Sun 11a | Partly sunny | 67°19° (likely 67°19° to 67°19°) | 67°19° | 0% | 16 mph26 km/h from NE | 73% | — | — |
| Sun 12p | Partly sunny | 69°21° (likely 69°21° to 69°21°) | 69°21° | 0% | 17 mph27 km/h from NE | 70% | — | — |
| Sun 1p | Partly sunny | 72°22° (likely 71°22° to 72°22°) | 72°22° | 0% | 18 mph29 km/h from NE | 64% | — | — |
| Sun 2p | Mostly cloudy | 73°23° (likely 72°22° to 73°23°) | 73°23° | 0% | 20 mph32 km/h from NE | 64% | — | — |
| Sun 3p | Mostly sunny | 73°23° (likely 73°23° to 73°23°) | 73°23° | 0% | 21 mph34 km/h from NE | 62% | — | — |
| Sun 4p | Mostly sunny | 74°23° (likely 72°22° to 74°23°) | 74°23° | 0% | 21 mph34 km/h from NE | 59% | — | — |
| Sun 5p | Partly sunny | 72°22° (likely 71°22° to 72°22°) | 72°22° | 0% | 20 mph32 km/h from NE | 64% | — | — |
| Sun 6p | Mostly sunny | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 20 mph32 km/h from NE | 64% | — | — |
| Sun 7p | Partly cloudy | 69°21° (likely 68°20° to 69°21°) | 69°21° | 0% | 20 mph32 km/h from NE | 73% | — | — |
| Sun 8p | Mostly clear | 65°18° (likely 65°18° to 67°19°) | 65°18° | 0% | 17 mph27 km/h from NE | 87% | — | — |
| Sun 9p | Partly cloudy | 64°18° (likely 64°18° to 66°19°) | 64°18° | 0% | 16 mph26 km/h from NE | 87% | — | — |
| Sun 10p | Partly cloudy | 63°17° (likely 63°17° to 65°18°) | 63°17° | 0% | 15 mph24 km/h from NE | 90% | — | — |
| Sun 11p | Mostly clear | 62°17° (likely 62°17° to 64°18°) | 62°17° | 0% | 14 mph23 km/h from NE | 90% | — | — |
| Mon 12a | Mostly clear | 61°16° (likely 61°16° to 63°17°) | 61°16° | 0% | 13 mph21 km/h from NE | 90% | — | — |
| Mon 1a | Mostly clear | 60°16° (likely 60°16° to 62°17°) | 60°16° | 0% | 12 mph19 km/h from NE | 90% | — | — |
| Mon 2a | Mostly clear | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 12 mph19 km/h from NE | 93% | — | — |
| Mon 3a | Mostly clear | 58°14° (likely 58°14° to 60°16°) | 58°14° | 0% | 12 mph19 km/h from NE | 93% | — | — |
| Mon 4a | Partly cloudy | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 12 mph19 km/h from N | 96% | — | — |
| Mon 5a | Mostly clear | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 12 mph19 km/h from N | 96% | — | — |
| Mon 6a | Partly cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 12 mph19 km/h from N | 96% | — | — |
| Mon 7a | Mostly clear | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 12 mph19 km/h from N | 100% | — | — |
| Mon 8a | Mostly sunny | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 12 mph19 km/h from N | 100% | — | — |
| Mon 9a | Partly sunny | 57°14° (likely 57°14° to 58°14°) | 57°14° | 0% | 13 mph21 km/h from N | 93% | — | — |
| Mon 10a | Partly sunny | 62°17° (likely 61°16° to 62°17°) | 62°17° | 0% | 13 mph21 km/h from N | 81% | — | — |
| Mon 11a | Mostly sunny | 66°19° (likely 64°18° to 66°19°) | 66°19° | 0% | 13 mph21 km/h from N | 73% | — | — |
| Mon 12p | Mostly sunny | 69°21° (likely 68°20° to 69°21°) | 69°21° | 0% | 13 mph21 km/h from NE | 68% | — | — |
| Mon 1p | Sunny | 71°22° (likely 70°21° to 71°22°) | 71°22° | 0% | 13 mph21 km/h from NE | 66% | — | — |
| Mon 2p | Sunny | 72°22° (likely 72°22° to 72°22°) | 72°22° | 0% | 13 mph21 km/h from NE | 64% | — | — |
| Mon 3p | Sunny | 73°23° (likely 73°23° to 73°23°) | 73°23° | 0% | 13 mph21 km/h from NE | 62% | — | — |
| Mon 4p | Sunny | 74°23° (likely 74°23° to 74°23°) | 74°23° | 0% | 13 mph21 km/h from NE | 57% | — | — |
| Mon 5p | Sunny | 72°22° (likely 72°22° to 72°22°) | 72°22° | 0% | 12 mph19 km/h from NE | 61% | — | — |
| Mon 6p | Sunny | 69°21° (likely 69°21° to 69°21°) | 69°21° | 0% | 10 mph16 km/h from NE | 68% | — | — |
| Mon 7p | Clear | 65°18° (likely 65°18° to 65°18°) | 65°18° | 0% | 8 mph13 km/h from NE | 81% | — | — |
| Mon 8p | Clear | 62°17° (likely 62°17° to 62°17°) | 62°17° | 0% | 7 mph11 km/h from NE | 90% | — | — |
| Mon 9p | Clear | 60°16° (likely 60°16° to 60°16°) | 60°16° | 0% | 6 mph10 km/h from NE | 93% | — | — |
Days ahead
Tap a day for its hours and the official wording.
Today, Oct 24. Mostly sunny. High 0°−18°, low 56°13°. Dry. One forecast only.
Evening
6 PM–midnight
Mostly clear, 62°17°Dry
Overnight
midnight–6 AM
Mostly clear, 56°13°Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 56. Northeast wind around 14 mph, with gusts as high as 25 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 0°−18°
- Low, likely
- 56°13°
- Wind
- —
Tomorrow, Oct 25. Mostly sunny. High 74°23°, low 54°12°. Dry. One forecast only.
Morning
6 AM–noon
Partly sunny, 56°13°Dry
Afternoon
noon–6 PM
Mostly sunny, 74°23°Dry
Evening
6 PM–midnight
Partly cloudy, 65°18°Dry
Overnight
midnight–6 AM
Mostly clear, 56°13°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 74. Northeast wind 14 to 21 mph, with gusts as high as 33 mph.
Night: Mostly clear, with a low around 54. Northeast wind 12 to 20 mph, with gusts as high as 31 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–74°23°
- Low, likely
- 54°12°–59°15°
- Wind
- 17 mph27 km/h
Monday, Oct 26. Mostly sunny. High 74°23°, low 52°11°. Dry. One forecast only.
Morning
6 AM–noon
Partly sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 74°23°Dry
Evening
6 PM–midnight
Clear, 62°17°Dry
Official NWS forecast
Day: Sunny, with a high near 74. Northeast wind around 13 mph, with gusts as high as 22 mph.
Night: Mostly clear, with a low around 52. Northeast wind 6 to 10 mph.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 72°22°–74°23°
- Low, likely
- 52°11°–57°14°
- Wind
- 12 mph20 km/h
Tuesday, Oct 27. Sunny. High 74°23°, low 56°13°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 56.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 73°23°–74°23°
- Low, likely
- 56°13°
- Wind
- 9 mph15 km/h
Wednesday, Oct 28. Mostly sunny. High 75°24°, low 60°16°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 75.
Night: Partly cloudy, with a low around 60.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 75°24°
- Low, likely
- 58°14°–60°16°
- Wind
- 12 mph19 km/h
Thursday, Oct 29. Partly sunny. High 76°24°, low 59°15°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: Partly cloudy, with a low around 59.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°
- Low, likely
- 59°15°–65°18°
- Wind
- 13 mph20 km/h
Friday, Oct 30. Mostly sunny. High 76°24°, low 61°16°. Dry. One forecast only.
Official NWS forecast
Day: Sunny, with a high near 76.
Night: Mostly clear, with a low around 61.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°
- Low, likely
- 61°16°–65°18°
- Wind
- 11 mph17 km/h
Saturday, Oct 31. Partly sunny. High 77°25°, low 66°19°. Dry. One forecast only.
Official NWS forecast
Day: Mostly sunny, with a high near 77.
One forecast onlyOnly one forecast covers this day, so there is nothing to compare against.
- High, likely
- 76°24°–77°25°
- Low, likely
- 66°19°
- Wind
- 11 mph18 km/h
The outlook
Today
Dry, high 0°, low 56°.
Tomorrow
Dry, high 74°, low 54°, warming up.
Monday
Dry, high 74°, low 52°.
Rest of week
Mostly dry, highs 74–77°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (CHS) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Action stage
Kiawah River at Kiawah Island (IN MLLW)
3.4 mi- Level
- 7.5 ft
Reading from Sat 8:30 PM · NWS gauge page
St. Pierre Creek near Edisto Beach (IN MLLW)
11 mi- Level
- 8.1 ft
Reading from Sat 8:45 PM · NWS gauge page
Church Creek near West Ashley
17 mi- Level
- 2.5 ft
Reading from Sat 8:45 PM · NWS gauge page
Sun & moon
Sun
Sunrise 7:31 AM, sunset 6:37 PM.
- Daylight
- 11 h 6 min
- Losing 1 min 53 s a day; shortest Dec 21, 1 h 6 min less
- Golden hour
- 6:03–6:53 PM
- Morning 7:16–8:05 AM
- Blue hour
- 6:53–7:02 PM
- Morning 7:06–7:16 AM; first light 7:06 AM
Stars tonight? Unknown
Cloud forecast not available for tonight.
Moon
Waxing gibbous
98% lit · growing
- Today
- sets 5:48 AM · rises 5:32 PM
- Full moon
- Oct 26
- New moon
- Nov 9
