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 07:41 AM and sunset is at 06:49 PM.
Days 1–3 Weather SummaryLight rain (total 8mm), mostly falling on Sat night. Warm air temperatures (max 26°C on Sat morning, min 25°C on Sat night). Mainly fresh winds. | Days 4–6 Weather SummaryMostly dry. Warm air temperatures (max 26°C on Tue morning, min 25°C on Tue morning). Mainly fresh winds. | Days 7–9 Weather SummaryLight rain (total 2mm), mostly falling on Fri night. Warm (max 25°C on Fri morning, min 24°C on Sat night). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Warm (max 26°C on Wed afternoon, min 25°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||||||
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 | 5:45AM0.76m | 6:21PM0.52m | 6:20AM0.76m | 6:57PM0.52m | 6:54AM0.75m | 7:35PM0.53m | 7:31AM0.73m | 8:16PM0.54m | 8:09AM0.70m | 9:03PM0.56m | 8:52AM0.65m | 9:55PM0.58m | 9:41AM0.59m | 10:55PM0.61m | 10:42AM0.53m | 11:59PM0.64m | 11:57AM0.47m | 1:06AM0.69m | 1:19PM0.45m | 2:09AM0.73m | 2:38PM0.45m | 3:07AM0.78m | 3:47PM0.47m | 4:01AM0.81m | ||||||||||||
Low Tide | 12:22PM-0.03m | 11:55PM0.05m | 12:55PM-0.04m | 00:30AM0.06m | 1:30PM-0.03m | 1:08AM0.08m | 2:05PM-0.02m | 1:50AM0.11m | 2:42PM-0.00m | 2:39AM0.15m | 3:24PM0.02m | 3:39AM0.19m | 4:10PM0.04m | 4:57AM0.21m | 5:05PM0.06m | 6:29AM0.20m | 6:09PM0.07m | 7:55AM0.14m | 7:18PM0.07m | 9:03AM0.07m | 8:25PM0.05m | 9:59AM-0.01m | 9:26PM0.03m | |||||||||||||
N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | NNE 11 | ENE 9 | ENE 9 | NNW 12 | NNW 11 | N 10 | NNE 10 | NE 10 | NE 9 | NE 10 | ENE 9 | ENE 9 | ENE 8 | NW 17 | NW 15 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NW 11 | NNW 13 | N 15 | N 14 | N 14 | N 14 | N 13 | N 12 | N 12 | N 13 | |
 |  |  | | |  | |  | |  | |  | | | | | | | | |  | | | | | | | | | | | | | | | | |
some clouds | risk tstorm | risk tstorm | risk tstorm | some clouds | some clouds | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | rain shwrs | cloudy | clear | risk tstorm | clear | clear | clear | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | risk tstorm | |
km/h | ||||||||||||||||||||||||||||||||||||
— | 1 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | |
max°C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 |
Moonrise | 8:27 | — | — | 9:16 | — | — | 10:01 | — | — | 10:43 | — | — | 11:22 | — | — | 11:59 | — | — | 12:35 | — | — | 1:13 | — | — | 1:52 | — | — | 2:36 | — | — | — | 3:26 | — | — | 4:23 | — |
Moonset | — | 7:38 | — | — | 8:33 | — | — | — | 9:27 | — | — | 10:21 | — | — | 11:14 | — | — | — | 12:06 | — | — | 12:58 | — | — | 1:53 | — | — | 2:51 | — | — | 3:53 | — | — | 5:00 | — | — |
 | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:45 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — |
 | — | 6:49 | — | — | 6:50 | — | — | 6:50 | — | — | 6:51 | — | — | 6:51 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:53 | — | — | 6:54 | — | — | 6:54 | — |
Today's sea temperature in Johnston Atoll is 26.9° C (Statistics for 20 Dec 1981-2005 – mean: 26.2 max: 26.9 min: 25.7°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest