Cooper River at Charleston Harbor (IN MLLW)
12 mi- Level
- 6.2 ft
- Flow
- under 1 cfs
Forecast peak 8.3 ft Mon 8 AM, major flooding
Reading from Sat 5:36 PM · NWS gauge page
Appearance
Starts in 2 h 6 min
Issued for this forecast zone · National Weather Service Charleston SC
What
Northeast winds 15 to 20 knots with gusts up to 30 knots and waves 2 to 3 feet expected on Lake Moultrie.
Impacts
Strong winds and rough waves on Lake Moultrie will create hazardous conditions for small craft.
Additional details
Minor lakeshore erosion and some overwash due to significant wave action is possible along southwestern portions of the lake, including Pinopolis and Blacks Camp.
Precautionary actions
Boaters on Lake Moultrie should use extra caution since strong winds and rough waves can overturn small craft.
Areas: Inland Berkeley
See it on weather.gov (opens in a new tab)Observed 6:35 PM EDT at KCHS
Overcast and 70°21°.
Today: low 55°13° (likely 53°12° to 55°13°), high 74°23° (likely 73°23° to 74°23°).
Now 70°21°
Cloudy
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 6p | Sunny | 72°22° (likely 69°21° to 72°22°) | 72°22° | 0% | 13 mph21 km/h from NE, gusts 22 mph35 km/h | 57% | 16% | 1 |
| Sat 7p | Clear | 69°21° (likely 66°19° to 69°21°) | 69°21° | 0% | 12 mph19 km/h from NE, gusts 17 mph28 km/h | 66% | 20% | 0 |
| Sat 8p | Clear | 66°19° (likely 65°18° to 66°19°) | 66°19° | 0% | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 73% | 18% | 0 |
| Sat 9p | Partly cloudy | 64°18° (likely 63°17° to 65°18°) | 64°18° | 0% | 10 mph16 km/h from NE, gusts 15 mph24 km/h | 75% | 49% | 0 |
| Sat 10p | Clear | 63°17° (likely 62°17° to 64°18°) | 63°17° | 0% | 10 mph16 km/h from NE, gusts 15 mph24 km/h | 75% | 5% | 0 |
| Sat 11p | Clear | 61°16° (likely 61°16° to 63°17°) | 61°16° | 0% | 10 mph16 km/h from NE, gusts 16 mph26 km/h | 78% | 1% | 0 |
| Sun 12a | Clear | 60°16° (likely 60°16° to 62°17°) | 60°16° | 0% | 12 mph19 km/h from NE, gusts 19 mph31 km/h | 81% | 0% | 0 |
| Sun 1a | Clear | 59°15° (likely 59°15° to 61°16°) | 59°15° | 0% | 10 mph16 km/h from NE, gusts 20 mph32 km/h | 80% | 1% | 0 |
| Sun 2a | Mostly clear | 58°14° (likely 58°14° to 60°16°) | 58°14° | 0% | 10 mph16 km/h from NE, gusts 19 mph31 km/h | 83% | 26% | 0 |
| Sun 3a | Clear | 57°14° (likely 57°14° to 60°16°) | 57°14° | 0% | 10 mph16 km/h from NE, gusts 20 mph32 km/h | 90% | 7% | 0 |
| Sun 4a | Mostly clear | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 12 mph19 km/h from N, gusts 22 mph35 km/h | 96% | 52% | 0 |
| Sun 5a | Partly cloudy | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 12 mph19 km/h from NE, gusts 21 mph34 km/h | 96% | 38% | 0 |
| Sun 6a | Partly cloudy | 55°13° (likely 55°13° to 59°15°) | 55°13° | 0% | 13 mph21 km/h from NE, gusts 21 mph33 km/h | 100% | 41% | 0 |
| Sun 7a | Partly cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 13 mph21 km/h from NE, gusts 23 mph36 km/h | 100% | 24% | 0 |
| Sun 8a | Sunny | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 13 mph21 km/h from N, gusts 23 mph37 km/h | 100% | 15% | 0 |
| Sun 9a | Sunny | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 13 mph21 km/h from NE, gusts 26 mph41 km/h | 100% | 29% | 1 |
| Sun 10a | Partly sunny | 63°17° (likely 61°16° to 63°17°) | 63°17° | 0% | 14 mph23 km/h from NE, gusts 26 mph42 km/h | 81% | 28% | 2 |
| Sun 11a | Mostly sunny | 67°19° (likely 65°18° to 68°20°) | 67°19° | 0% | 14 mph23 km/h from NE, gusts 26 mph42 km/h | 70% | 25% | 3 |
| Sun 12p | Partly sunny | 69°21° (likely 68°20° to 72°22°) | 69°21° | 0% | 15 mph24 km/h from NE, gusts 26 mph41 km/h | 68% | 20% | 4 |
| Sun 1p | Partly sunny | 73°23° (likely 70°21° to 74°23°) | 73°23° | 0% | 15 mph24 km/h from NE, gusts 26 mph42 km/h | 59% | 49% | 4 |
| Sun 2p | Mostly sunny | 73°23° (likely 71°22° to 75°24°) | 73°23° | 0% | 16 mph26 km/h from NE, gusts 28 mph46 km/h | 59% | 42% | 2 |
| Sun 3p | Partly sunny | 73°23° (likely 72°22° to 75°24°) | 73°23° | 0% | 17 mph27 km/h from NE, gusts 27 mph44 km/h | 57% | 45% | 2 |
| Sun 4p | Partly sunny | 74°23° (likely 72°22° to 74°23°) | 74°23° | 0% | 16 mph26 km/h from NE, gusts 27 mph44 km/h | 53% | 22% | 3 |
| Sun 5p | Sunny | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 15 mph24 km/h from NE, gusts 28 mph45 km/h | 55% | 16% | 2 |
| Sun 6p | Sunny | 72°22° (likely 69°21° to 72°22°) | 72°22° | 0% | 14 mph23 km/h from NE, gusts 28 mph44 km/h | 59% | 12% | 1 |
| Sun 7p | Clear | 69°21° (likely 67°19° to 69°21°) | 69°21° | 0% | 14 mph23 km/h from NE, gusts 28 mph44 km/h | 68% | 10% | 0 |
| Sun 8p | Clear | 66°19° (likely 65°18° to 66°19°) | 66°19° | 0% | 13 mph21 km/h from NE, gusts 23 mph37 km/h | 81% | 7% | 0 |
| Sun 9p | Clear | 64°18° (likely 63°17° to 65°18°) | 64°18° | 0% | 12 mph19 km/h from NE, gusts 23 mph38 km/h | 84% | 4% | 0 |
| Sun 10p | Clear | 63°17° (likely 62°17° to 64°18°) | 63°17° | 0% | 12 mph19 km/h from NE, gusts 19 mph31 km/h | 84% | 0% | 0 |
| Sun 11p | Clear | 62°17° (likely 61°16° to 63°17°) | 62°17° | 0% | 12 mph19 km/h from NE, gusts 18 mph29 km/h | 84% | 0% | 0 |
| Mon 12a | Clear | 61°16° (likely 60°16° to 63°17°) | 61°16° | 0% | 12 mph19 km/h from NE, gusts 22 mph35 km/h | 87% | 0% | 0 |
| Mon 1a | Clear | 60°16° (likely 59°15° to 62°17°) | 60°16° | 0% | 10 mph16 km/h from NE, gusts 18 mph29 km/h | 87% | 0% | 0 |
| Mon 2a | Clear | 58°14° (likely 57°14° to 61°16°) | 58°14° | 0% | 9 mph14 km/h from NE, gusts 18 mph29 km/h | 90% | 0% | 0 |
| Mon 3a | Clear | 57°14° (likely 56°13° to 59°15°) | 57°14° | 0% | 9 mph14 km/h from NE, gusts 17 mph28 km/h | 90% | 1% | 0 |
| Mon 4a | Clear | 55°13° (likely 55°13° to 58°14°) | 55°13° | 0% | 9 mph14 km/h from N, gusts 17 mph28 km/h | 96% | 1% | 0 |
| Mon 5a | Clear | 55°13° (likely 55°13° to 57°14°) | 55°13° | 0% | 9 mph14 km/h from N, gusts 17 mph27 km/h | 93% | 12% | 0 |
| Mon 6a | Clear | 54°12° (likely 54°12° to 57°14°) | 54°12° | 0% | 9 mph14 km/h from N, gusts 17 mph28 km/h | 96% | 12% | 0 |
| Mon 7a | Clear | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 10 mph16 km/h from N, gusts 17 mph27 km/h | 96% | 13% | 0 |
| Mon 8a | Sunny | 53°12° (likely 53°12° to 56°13°) | 53°12° | 0% | 10 mph16 km/h from N, gusts 20 mph32 km/h | 96% | 14% | 0 |
| Mon 9a | Sunny | 56°13° (likely 56°13° to 59°15°) | 56°13° | 0% | 10 mph16 km/h from N, gusts 23 mph37 km/h | 93% | 14% | 1 |
| Mon 10a | Sunny | 61°16° (likely 59°15° to 63°17°) | 61°16° | 0% | 10 mph16 km/h from N, gusts 24 mph38 km/h | 81% | 8% | 2 |
| Mon 11a | Sunny | 66°19° (likely 64°18° to 66°19°) | 66°19° | 0% | 10 mph16 km/h from N, gusts 22 mph36 km/h | 70% | 1% | 3 |
| Mon 12p | Sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 10 mph16 km/h from N, gusts 19 mph31 km/h | 63% | 1% | 5 |
| Mon 1p | Sunny | 72°22° (likely 70°21° to 72°22°) | 72°22° | 0% | 9 mph14 km/h from NE, gusts 18 mph28 km/h | 59% | 0% | 5 |
| Mon 2p | Sunny | 73°23° (likely 72°22° to 74°23°) | 73°23° | 0% | 9 mph14 km/h from NE, gusts 16 mph25 km/h | 57% | 0% | 5 |
| Mon 3p | Sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 8 mph13 km/h from NE, gusts 15 mph24 km/h | 52% | 2% | 5 |
| Mon 4p | Sunny | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 8 mph13 km/h from NE, gusts 14 mph22 km/h | 52% | 7% | 4 |
| Mon 5p | Sunny | 73°23° (likely 73°23° to 74°23°) | 73°23° | 0% | 7 mph11 km/h from NE, gusts 13 mph20 km/h | 53% | 2% | 2 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 55. Northeast wind around 13 mph, with gusts as high as 23 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: Mostly sunny, with a high near 75. Northeast wind 13 to 17 mph, with gusts as high as 30 mph.
Night: Partly cloudy, with a low around 53. 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 75. Northeast wind 7 to 10 mph.
Night: Clear, with a low around 49. North 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
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 76.
Night: Mostly clear, with a low around 54.
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: Partly cloudy, with a low around 58.
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 77.
Night: Partly cloudy, with a low around 57.
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: Sunny, with a high near 79.
Night: Mostly clear, with a low around 59.
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.
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.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
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
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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 74°, low 55°.
Dry, high 75°, low 53°.
Dry, high 75°, low 49°.
Mostly dry, highs 76–80°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (CHS) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Forecast peak 8.3 ft Mon 8 AM, major flooding
Reading from Sat 5:36 PM · NWS gauge page
Reading from Sat 4:45 PM · NWS gauge page
Reading from Sat 5:30 PM · NWS gauge page
Reading from Sat 5:15 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 5% more heating than a typical week.
Heating degree days, base 65°F
Comfortable, non-humid air (dew point 55°F).
Today, 7:00 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 2°1° colder than typical.
On average 7°4° colder than normal (daily mean temperature).
Hanahan weather by month: normals, records, snow and freeze dates
Sunrise 7:31 AM, sunset 6:36 PM.
Mostly clear 10 PM–2 AM, but the moon is 99% lit and up.
Waxing gibbous
98% lit · growing