Cooper River at Charleston Harbor (IN MLLW)
18 mi- Level
- 5.1 ft
Forecast peak 8.0 ft Mon 8 AM, major flooding
Reading from Sun 5:36 PM · NWS gauge page
Appearance
Starts in 9 h 42 min
Issued for this forecast zone · National Weather Service Charleston SC
What
For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.2 to 7.4 feet Mean Lower Low Water at Charleston). For the Coastal Flood Watch, one to two feet of inundation above ground level possible 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 7:56 PM today and 8:18 AM Monday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. Beach erosion is most likely to occur near the time of high tides.
Precautionary 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.
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)Ends in 1 day
Issued for this forecast zone · National Weather Service Charleston SC
What
For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.2 to 7.4 feet Mean Lower Low Water at Charleston). For the Coastal Flood Watch, one to two feet of inundation above ground level possible 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 7:56 PM today and 8:18 AM Monday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. Beach erosion is most likely to occur near the time of high tides.
Precautionary 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.
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)Ends in 21 h 42 min
Issued for this forecast zone · National Weather Service Charleston SC
What
For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.2 to 7.4 feet Mean Lower Low Water at Charleston). For the Coastal Flood Watch, one to two feet of inundation above ground level possible 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 7:56 PM today and 8:18 AM Monday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. Beach erosion is most likely to occur near the time of high tides.
Precautionary 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.
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)Ends in 2 h 42 min
Issued for this forecast zone · National Weather Service Charleston SC
What
For the High Rip Current Risk, dangerous rip currents. For the High Surf Advisory, large breaking waves of 4 to 6 feet in the surf zone. For the Coastal Flood Advisory, up to one half foot of inundation above ground level expected along shorelines and tidal waterways (7.2 to 7.4 feet Mean Lower Low Water at Charleston). For the Coastal Flood Watch, one to two feet of inundation above ground level possible 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 7:56 PM today and 8:18 AM Monday at Charleston. Saltwater inundation will be possible 1 to 2 hours before and after high tide. Beach erosion is most likely to occur near the time of high tides.
Precautionary 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.
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 6:35 PM EDT at KJZI
Sunny and 70°21°.
Today: low 52°11° (likely 52°11° to 56°13°), high 74°23° (likely 73°23° to 74°23°).
Now 70°21°
Sunny
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sun 7p | Clear | 67°19° (likely 66°19° to 68°20°) | 67°19° | 0% | 14 mph23 km/h from NE, gusts 21 mph34 km/h | 78% | 2% | 0 |
| Sun 8p | Clear | 65°18° (likely 65°18° to 66°19°) | 65°18° | 0% | 13 mph21 km/h from NE, gusts 20 mph32 km/h | 84% | 0% | 0 |
| Sun 9p | Clear | 63°17° (likely 63°17° to 65°18°) | 63°17° | 0% | 12 mph19 km/h from NE, gusts 20 mph32 km/h | 87% | 0% | 0 |
| Sun 10p | Clear | 62°17° (likely 62°17° to 64°18°) | 62°17° | 0% | 12 mph19 km/h from NE, gusts 17 mph28 km/h | 90% | 0% | 0 |
| Sun 11p | Clear | 61°16° (likely 61°16° to 63°17°) | 61°16° | 0% | 12 mph19 km/h from NE, gusts 16 mph26 km/h | 90% | 0% | 0 |
| Mon 12a | Clear | 60°16° (likely 60°16° to 62°17°) | 60°16° | 0% | 12 mph19 km/h from NE, gusts 16 mph25 km/h | 90% | 0% | 0 |
| Mon 1a | Clear | 59°15° (likely 59°15° to 62°17°) | 59°15° | 0% | 10 mph16 km/h from NE, gusts 15 mph24 km/h | 90% | 0% | 0 |
| Mon 2a | Clear | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 9 mph14 km/h from NE, gusts 15 mph24 km/h | 93% | 0% | 0 |
| Mon 3a | Clear | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 10 mph16 km/h from NE, gusts 16 mph27 km/h | 93% | 0% | 0 |
| Mon 4a | Clear | 54°12° (likely 54°12° to 59°15°) | 54°12° | 0% | 10 mph16 km/h from N, gusts 16 mph26 km/h | 100% | 0% | 0 |
| Mon 5a | Clear | 54°12° (likely 54°12° to 58°14°) | 54°12° | 0% | 10 mph16 km/h from N, gusts 18 mph29 km/h | 96% | 0% | 0 |
| Mon 6a | Clear | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 10 mph16 km/h from N, gusts 18 mph29 km/h | 93% | 1% | 0 |
| Mon 7a | Clear | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 12 mph19 km/h from N, gusts 18 mph28 km/h | 100% | 1% | 0 |
| Mon 8a | Sunny | 52°11° (likely 52°11° to 56°13°) | 52°11° | 0% | 12 mph19 km/h from N, gusts 17 mph28 km/h | 96% | 8% | 0 |
| Mon 9a | Sunny | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 12 mph19 km/h from N, gusts 23 mph37 km/h | 93% | 4% | 1 |
| Mon 10a | Sunny | 61°16° (likely 61°16° to 62°17°) | 61°16° | 0% | 12 mph19 km/h from NE, gusts 22 mph35 km/h | 81% | 2% | 2 |
| Mon 11a | Sunny | 65°18° (likely 65°18° to 66°19°) | 65°18° | 0% | 12 mph19 km/h from NE, gusts 21 mph34 km/h | 70% | 1% | 3 |
| Mon 12p | Sunny | 68°20° (likely 68°20° to 69°21°) | 68°20° | 0% | 10 mph16 km/h from NE, gusts 20 mph32 km/h | 65% | 0% | 5 |
| Mon 1p | Sunny | 71°22° (likely 71°22° to 71°22°) | 71°22° | 0% | 10 mph16 km/h from N, gusts 18 mph30 km/h | 61% | 1% | 5 |
| Mon 2p | Sunny | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 10 mph16 km/h from N, gusts 17 mph27 km/h | 59% | 5% | 5 |
| Mon 3p | Sunny | 73°23° (likely 73°23° to 74°23°) | 73°23° | 0% | 9 mph14 km/h from N, gusts 16 mph25 km/h | 57% | 0% | 5 |
| Mon 4p | Sunny | 74°23° (likely 73°23° to 74°23°) | 74°23° | 0% | 8 mph13 km/h from N, gusts 14 mph23 km/h | 51% | 1% | 4 |
| Mon 5p | Sunny | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 8 mph13 km/h from NE, gusts 13 mph22 km/h | 57% | 0% | 2 |
| Mon 6p | Sunny | 70°21° (likely 69°21° to 70°21°) | 70°21° | 0% | 6 mph10 km/h from N, gusts 11 mph17 km/h | 61% | 0% | 1 |
| Mon 7p | Clear | 67°19° (likely 65°18° to 67°19°) | 67°19° | 0% | 6 mph10 km/h from N, gusts 9 mph14 km/h | 70% | 0% | 0 |
| Mon 8p | Clear | 61°16° (likely 61°16° to 62°17°) | 61°16° | 0% | 3 mph5 km/h from N, gusts 9 mph15 km/h | 84% | 0% | 0 |
| Mon 9p | Clear | 59°15° (likely 59°15° to 60°16°) | 59°15° | 0% | 3 mph5 km/h from NE, gusts 8 mph12 km/h | 90% | 22% | 0 |
| Mon 10p | Clear | 58°14° (likely 58°14° to 59°15°) | 58°14° | 0% | 3 mph5 km/h from NE, gusts 9 mph15 km/h | 90% | 31% | 0 |
| Mon 11p | Clear | 56°13° (likely 56°13° to 58°14°) | 56°13° | 0% | 3 mph5 km/h from NE, gusts 9 mph15 km/h | 96% | 40% | 0 |
| Tue 12a | Clear | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 3 mph5 km/h from NE, gusts 9 mph14 km/h | 96% | 40% | 0 |
| Tue 1a | Clear | 54°12° (likely 54°12° to 56°13°) | 54°12° | 0% | 3 mph5 km/h from NE, gusts 10 mph15 km/h | 96% | 40% | 0 |
| Tue 2a | Clear | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 5 mph8 km/h from N, gusts 10 mph17 km/h | 96% | 40% | 0 |
| Tue 3a | Mostly clear | 52°11° (likely 52°11° to 55°13°) | 52°11° | 0% | 5 mph8 km/h from N, gusts 11 mph17 km/h | 96% | 47% | 0 |
| Tue 4a | Partly cloudy | 52°11° (likely 52°11° to 54°12°) | 52°11° | 0% | 5 mph8 km/h from N, gusts 11 mph17 km/h | 93% | 41% | 0 |
| Tue 5a | Mostly clear | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 6 mph10 km/h from N, gusts 11 mph18 km/h | 96% | 63% | 0 |
| Tue 6a | Mostly clear | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 6 mph10 km/h from N, gusts 11 mph18 km/h | 93% | 53% | 0 |
| Tue 7a | Mostly clear | 51°11° (likely 51°11° to 53°12°) | 51°11° | 0% | 6 mph10 km/h from N, gusts 11 mph18 km/h | 93% | 46% | 0 |
| Tue 8a | Mostly sunny | 50°10° (likely 50°10° to 53°12°) | 48°9° | 0% | 6 mph10 km/h from N, gusts 12 mph19 km/h | 96% | 13% | 0 |
| Tue 9a | Sunny | 56°13° (likely 55°13° to 58°14°) | 56°13° | 0% | 6 mph10 km/h from N, gusts 17 mph27 km/h | 83% | 1% | 1 |
| Tue 10a | Sunny | 62°17° (likely 60°16° to 63°17°) | 62°17° | 0% | 7 mph11 km/h from NE, gusts 16 mph26 km/h | 70% | 10% | 2 |
| Tue 11a | Sunny | 66°19° (likely 66°19° to 67°19°) | 66°19° | 0% | 8 mph13 km/h from NE, gusts 17 mph27 km/h | 63% | 12% | 3 |
| Tue 12p | Sunny | 70°21° (likely 69°21° to 71°22°) | 70°21° | 0% | 8 mph13 km/h from NE, gusts 15 mph24 km/h | 55% | 11% | 5 |
| Tue 1p | Sunny | 72°22° (likely 72°22° to 73°23°) | 72°22° | 0% | 8 mph13 km/h from NE, gusts 14 mph23 km/h | 51% | 10% | 5 |
| Tue 2p | Sunny | 74°23° (likely 73°23° to 76°24°) | 74°23° | 0% | 7 mph11 km/h from NE, gusts 13 mph21 km/h | 46% | 8% | 5 |
| Tue 3p | Sunny | 75°24° (likely 73°23° to 77°25°) | 75°24° | 0% | 7 mph11 km/h from NE, gusts 13 mph21 km/h | 45% | 8% | 5 |
| Tue 4p | Sunny | 75°24° (likely 73°23° to 77°25°) | 75°24° | 0% | 6 mph10 km/h from NE, gusts 13 mph21 km/h | 45% | 3% | 4 |
| Tue 5p | Sunny | 74°23° (likely 71°22° to 75°24°) | 74°23° | 0% | 6 mph10 km/h from NE, gusts 13 mph22 km/h | 46% | 0% | 2 |
| Tue 6p | Sunny | 70°21° (likely 66°19° to 71°22°) | 70°21° | 0% | 6 mph10 km/h from NE, gusts 12 mph20 km/h | 55% | 1% | 1 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Tonight: Clear, with a low around 52. Northeast wind 9 to 14 mph, with gusts as high as 26 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 74. Northeast wind 8 to 12 mph.
Night: Mostly clear, with a low around 50. Northeast wind around 6 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Sunny, with a high near 75. Northeast wind around 8 mph.
Night: Mostly clear, with a low around 55. Northeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 62.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 78.
Night: Mostly clear, with a low around 60.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 79.
Night: Mostly clear, with a low around 61.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 79.
Night: Partly cloudy, with a low around 63.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
20% chance · 0.09 in2.3 mm
Evening
6 PM–midnight
30% chance · 0.04 in1 mm
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Dry, high 74°, low 52°.
Dry, high 74°, low 50°.
Dry, high 75°, low 55°.
Highs 76–79°; chance of precipitation on Sunday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (CHS) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 8.0 ft Mon 8 AM, major flooding
Reading from Sun 5:36 PM · NWS gauge page
Reading from Sun 5:45 PM · NWS gauge page
Reading from Sun 4:45 PM · NWS gauge page
Reading from Sun 5:45 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 16% more heating than a typical week.
Heating degree days, base 65°F
Sizing a new system? Room-by-room loads on calc.blue (opens in a new tab)
Dry air outside (dew point 54°F).
Today, 8:00 PM–12:00 AM
Good stretch to open the windows (air quality forecast not available for part of this window).
Today’s expected high is about typical for the date.
On average 5°3° colder than normal (daily mean temperature).
Ravenel weather by month: normals, records, snow and freeze dates
Sunrise 7:32 AM, sunset 6:36 PM.
Clear 7:18 PM–7:08 AM, but the moon is 100% lit and up.
Full moon
100% lit · growing