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 07:37 AM and sunset is at 06:45 PM.
Days 1–3 Weather SummaryLight rain (total 7mm), mostly falling on Mon night. Warm air temperatures (max 26°C on Mon afternoon, min 24°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 7mm), mostly falling on Thu night. Warm air temperatures (max 25°C on Tue morning, min 24°C on Tue night). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 25mm), heaviest during Fri night. Warm (max 26°C on Sat afternoon, min 23°C on Sat morning). Winds increasing (light winds from the SE on Fri morning, fresh winds from the SSE by Sun morning). | Days 10–12 Weather SummaryMostly dry. Warm (max 27°C on Mon morning, min 25°C on Tue afternoon). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 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 | 12:53PM0.46m | 1:55AM0.63m | 2:02PM0.45m | 2:41AM0.67m | 3:01PM0.45m | 3:21AM0.70m | 3:49PM0.47m | 3:59AM0.72m | 4:31PM0.48m | 4:35AM0.74m | 5:09PM0.50m | 5:10AM0.75m | 5:46PM0.51m | 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 | |||||||||||||
Low Tide | 7:35AM0.24m | 7:08PM0.15m | 8:38AM0.20m | 7:59PM0.14m | 9:25AM0.14m | 8:45PM0.13m | 10:05AM0.09m | 9:28PM0.11m | 10:41AM0.04m | 10:07PM0.09m | 11:15AM0.01m | 10:44PM0.07m | 11:49AM-0.02m | 11:19PM0.06m | 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 | ||||||||||||
N 10 | NW 15 | NW 14 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | N 12 | N 14 | NNW 13 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | N 13 | N 13 | N 13 | N 13 | N 13 | N 13 | N 13 | N 12 | N 12 | N 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNW 13 | NW 12 | NW 11 | NW 11 | NW 10 | NW 10 | NW 10 | |
 | |  | | |  | | | | | | | | |  | | | |  |  | | | | | | |  |  |  | | | | | | | | |
clear | clear | risk tstorm | clear | clear | clear | clear | clear | risk tstorm | clear | clear | risk tstorm | clear | clear | rain shwrs | clear | clear | risk tstorm | risk tstorm | rain shwrs | risk tstorm | risk tstorm | risk tstorm | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 1 | — | — | — | — | — | 6 | — | — | 2 | — | — | 1 | — | — | 4 | 5 | 2 | 12 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 25 |
Moonrise | 2:30 | — | — | 3:18 | — | — | 4:07 | — | — | 4:57 | — | — | 5:49 | — | — | 6:42 | — | — | 7:35 | — | — | 8:27 | — | — | 9:16 | — | — | 10:01 | — | — | 10:43 | — | — | 11:22 | — | — |
Moonset | 2:31 | — | — | — | 3:05 | — | — | 3:41 | — | — | 4:21 | — | — | 5:04 | — | — | 5:52 | — | — | 6:44 | — | — | 7:38 | — | — | 8:33 | — | — | — | 9:27 | — | — | 10:21 | — | — | 11:14 |
 | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:39 | — | — | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:41 | — | — | 7:43 | — | — | 7:43 | — | — |
 | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:49 | — | — | 6:49 | — | — | 6:50 | — | — | 6:50 | — | — | 6:51 | — | — | 6:51 | — |
Today's sea temperature in Johnston Atoll is 26.8° C (Statistics for 13 Dec 1981-2005 – mean: 26.4 max: 27.2 min: 25.5°C) | ||||||||||||||||||||||||||||||||||||
Nearest