Johnston Atoll 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 — and sunset is at 06:55 PM.
Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Warm air temperatures (max 28°C on Thu night, min 27°C on Thu night). Mainly fresh winds. | Days 5–7 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Warm air temperatures (max 27°C on Sun night, min 27°C on Sun night). Mainly fresh winds. | Days 8–10 Weather SummaryHeavy rain (total 20mm), heaviest during Fri afternoon. Warm (max 27°C on Wed night, min 24°C on Fri afternoon). Mainly fresh winds. | Days 11–13 Weather SummarySome drizzle, heaviest during Mon morning. Warm (max 27°C on Sat night, min 26°C on Mon afternoon). Winds decreasing (fresh winds from the ENE on Sat night, calm by Tue morning). | Days 14–17 Weather SummaryModerate rain (total 16mm), heaviest on Wed night. Warm (max 27°C on Tue night, min 26°C on Wed morning). Winds increasing (calm on Wed morning, fresh winds from the NE by Thu morning). | |||||||||||||||||||||||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Sat 31 | ||||||||||||||||||||||||||||||||
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 | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 8:20PM0.48m | 8:35AM0.62m | 9:14PM0.43m | 9:31AM0.57m | 10:39PM0.41m | 10:52AM0.54m | 00:27AM0.43m | 12:23PM0.54m | 1:44AM0.49m | 1:36PM0.58m | 2:33AM0.58m | 2:29PM0.62m | 3:11AM0.67m | 3:14PM0.66m | 3:46AM0.75m | 3:55PM0.68m | 4:20AM0.82m | 4:34PM0.69m | 4:56AM0.88m | 5:13PM0.69m | 5:32AM0.91m | 5:54PM0.66m | 6:10AM0.90m | 6:36PM0.62m | 6:51AM0.87m | 7:21PM0.58m | 7:36AM0.82m | 8:13PM0.53m | 8:27AM0.75m | ||||||||||||||||||
Low Tide | 1:54AM0.17m | 3:14PM0.18m | 2:37AM0.23m | 4:29PM0.22m | 3:49AM0.28m | 6:12PM0.22m | 6:01AM0.30m | 7:28PM0.18m | 7:36AM0.26m | 8:16PM0.14m | 8:34AM0.20m | 8:53PM0.09m | 9:19AM0.13m | 9:27PM0.04m | 10:00AM0.07m | 10:00PM0.00m | 10:39AM0.01m | 10:33PM-0.02m | 11:19AM-0.03m | 11:08PM-0.03m | 11:59AM-0.05m | 11:43PM-0.03m | 12:40PM-0.05m | 00:21AM-0.00m | 1:24PM-0.02m | 1:02AM0.04m | 2:14PM0.02m | 1:48AM0.10m | |||||||||||||||||||
Wave Height (m) Direction Period (s) | E 7 | E 7 | E 7 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | E 7 | E 7 | E 8 | W 10 | W 10 | E 9 | E 11 | ENE 10 | NNE 12 | NW 14 | NW 13 | NW 13 | NW 13 | ENE 9 | ENE 9 | ENE 8 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 |
 |  | | | | |  |  | | | | | | | |  | | | |  | | | |  | | | | | | |  | | | | | | | | | | | | | | | | | |
clear | clear | clear | clear | clear | clear | risk tstorm | risk tstorm | risk tstorm | risk tstorm | risk tstorm | risk tstorm | risk tstorm | risk tstorm | risk tstorm | rain shwrs | risk tstorm | clear | clear | some clouds | risk tstorm | risk tstorm | risk tstorm | mod rain | risk tstorm | some clouds | some clouds | clear | clear | clear | some clouds | risk tstorm | clear | clear | clear | clear | clear | clear | clear | risk tstorm | clear | clear | rain shwrs | risk tstorm | risk tstorm | risk tstorm | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 4 | 3 | 7 | 5 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 9 | — | — | 2 | 2 | 2 | 1 | — |
max °C | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 27 |
Moonrise | — | 12:33 | — | — | 1:21 | — | — | 2:05 | — | — | 2:45 | — | — | — | 3:23 | — | — | 4:00 | — | — | 4:36 | — | — | 5:13 | — | — | 5:53 | — | — | 6:36 | — | — | 7:24 | — | — | 8:19 | — | — | — | 9:20 | — | — | 10:25 | — | — | 11:31 | — |
Moonset | 10:52 | — | — | 11:45 | — | — | — | 12:37 | — | — | 1:30 | — | — | 2:22 | — | — | 3:13 | — | — | 4:04 | — | — | 4:56 | — | — | 5:51 | — | — | 6:48 | — | — | 7:49 | — | — | 8:54 | — | — | 10:01 | — | — | 11:07 | — | — | 12:08 | — | — | 1:04 |
 | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:15 |
 | 6:55 | — | 6:55 | — | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:51 | — | — | 6:50 | — | — | 6:50 | — | — | 6:49 | — | — | 6:49 | — | — | 6:47 | — | — | 6:47 | — | — |
Today's sea temperature in Johnston Atoll is 28.7°C (Statistics for 15 Oct 1981-2005 – mean: 27.9 max: 28.7 min: 26.9°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest