Fort Johnson, Charleston Harbor Sea Conditions table showing wave height, swell direction and period.
High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 07:22 AM and sunset is at 05:34 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 12°C on Tue afternoon, min -3°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Icy conditions (max 14°C on Sat afternoon, min -1°C on Sun night). Winds increasing (calm on Fri morning, fresh winds from the WNW by Sun morning). | Days 7–9 Weather SummaryMostly dry. Very mild (max 13°C on Wed night, min 1°C on Mon morning). Wind will be generally light. | Days 10–12 Weather SummaryModerate rain (total 15mm), heaviest on Thu night. Freeze-thaw conditions (max 21°C on Sat morning, min -1°C on Sun morning). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 3:46PM1.20m | 4:34AM1.48m | 4:38PM1.21m | 5:23AM1.53m | 5:27PM1.23m | 6:10AM1.58m | 6:13PM1.26m | 6:53AM1.62m | 6:56PM1.30m | 7:33AM1.65m | 7:36PM1.33m | 8:10AM1.66m | 8:14PM1.37m | 8:46AM1.65m | 8:52PM1.41m | 9:21AM1.62m | 9:33PM1.46m | 9:58AM1.57m | 10:17PM1.50m | 10:39AM1.51m | 11:06PM1.53m | 11:26AM1.44m | 00:01AM1.55m | |||||||||||||
Low Tide | 9:57AM0.27m | 10:02PM0.14m | 10:50AM0.23m | 10:52PM0.10m | 11:40AM0.18m | 11:40PM0.05m | 12:26PM0.13m | 00:24AM0.01m | 1:09PM0.09m | 1:06AM-0.03m | 1:49PM0.05m | 1:47AM-0.06m | 2:28PM0.02m | 2:27AM-0.07m | 3:06PM-0.00m | 3:07AM-0.06m | 3:43PM-0.02m | 3:49AM-0.04m | 4:22PM-0.03m | 4:35AM0.01m | 5:04PM-0.04m | 5:26AM0.07m | 5:51PM-0.03m | 6:24AM0.13m | ||||||||||||
SE 8 | SE 8 | SE 8 | SSW 4 | SE 8 | SW 5 | SW 4 | SSE 4 | NNE 3 | SE 9 | ESE 9 | SSW 4 | SSW 4 | SSW 5 | SSW 5 | WNW 4 | W 4 | SSE 7 | SE 9 | SE 9 | SW 5 | SW 4 | SE 9 | SE 10 | SE 9 | ESE 9 | E 4 | ESE 5 | SE 6 | SE 8 | SE 9 | SE 9 | SE 9 | SE 10 | SE 10 | SE 11 | |
 | |  |  | | | |  |  | | | | | | | | | | | | | | | | | | | | |  |  | | | | | | |
clear | clear | some clouds | cloudy | cloudy | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | cloudy | mod rain | rain shwrs | some clouds | some clouds | some clouds | rain shwrs | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 6 | — | — | — | 2 | — | |
max°C | 11 | 12 | 12 | 12 | 11 | 10 | 6 | 6 | 3 | 3 | 6 | 9 | 13 | 14 | 12 | 6 | 7 | 4 | 6 | 9 | 11 | 5 | 6 | 3 | 7 | 7 | 13 | 16 | 17 | 19 | 18 | 19 | 20 | 21 | 16 | 9 |
Moonrise | 3:06 | — | — | 4:04 | — | — | 5:01 | — | — | 5:55 | — | — | 6:44 | — | — | 7:27 | — | — | 8:05 | — | — | 8:38 | — | — | 9:07 | — | — | 9:35 | — | — | 10:03 | — | — | 10:31 | — | — |
Moonset | 1:13 | — | — | 1:53 | — | — | 2:40 | — | — | — | 3:33 | — | — | 4:32 | — | — | 5:33 | — | — | 6:36 | — | — | 7:38 | — | — | 8:40 | — | — | — | 9:42 | — | — | 10:44 | — | — | 11:49 |
 | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:40 | — | — | 5:42 | — | — | 5:43 | — | — | 5:44 | — |
Today's sea temperature in Fort Johnson, Charleston Harbor is 14.2° C (Statistics for 13 Jan 1981-2005 – mean: 20.2 max: 22.3 min: 16.6°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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