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 06:43 PM.
Days 1–4 Weather SummaryHeavy rain (total 56mm), heaviest during Thu night. Warm air temperatures (max 26°C on Fri afternoon, min 20°C on Thu night). Winds decreasing (near gales from the NNE on Thu night, moderate winds from the ESE by Sat afternoon). | Days 5–7 Weather SummaryLight rain (total 3mm), mostly falling on Sun night. Warm air temperatures (max 26°C on Sun afternoon, min 25°C on Mon night). Mainly fresh winds. | Days 8–10 Weather SummaryModerate rain (total 13mm), heaviest on Thu night. Warm (max 25°C on Wed afternoon, min 24°C on Wed night). Mainly fresh winds. | Days 11–13 Weather SummaryModerate rain (total 11mm), heaviest on Sun night. Warm (max 26°C on Mon morning, min 24°C on Sat night). Mainly fresh winds. | |||||||||||||||||||||||||||||||||
Thu 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tue 16 | ||||||||||||||||||||||||
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 | 5:33PM0.59m | 5:44AM0.90m | 6:21PM0.58m | 6:28AM0.87m | 7:09PM0.56m | 7:13AM0.81m | 7:59PM0.55m | 7:58AM0.75m | 8:52PM0.53m | 8:45AM0.68m | 9:50PM0.53m | 9:36AM0.61m | 10:53PM0.53m | 10:34AM0.54m | 11:59PM0.55m | 11:40AM0.49m | 1:01AM0.59m | 12:53PM0.46m | 1:55AM0.63m | 2:02PM0.45m | 2:41AM0.67m | 3:01PM0.45m | 3:21AM0.70m | |||||||||||||
Low Tide | 11:38AM-0.09m | 11:13PM-0.02m | 12:22PM-0.10m | 11:59PM-0.00m | 1:07PM-0.09m | 00:44AM0.03m | 1:51PM-0.05m | 1:31AM0.08m | 2:38PM-0.01m | 2:22AM0.14m | 3:26PM0.04m | 3:22AM0.20m | 4:18PM0.08m | 4:38AM0.25m | 5:14PM0.12m | 6:11AM0.27m | 6:12PM0.14m | 7:35AM0.24m | 7:08PM0.15m | 8:38AM0.20m | 7:59PM0.14m | 9:25AM0.14m | 8:45PM0.13m | 10:05AM0.09m | ||||||||||||
NNW 13 | NNW 13 | NNW 14 | NNW 14 | N 13 | NNW 13 | NNW 13 | N 13 | N 12 | N 12 | E 8 | NW 14 | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NNW 14 | NW 11 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | N 12 | N 11 | N 10 | N 12 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NW 15 | |
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risk tstorm | rain shwrs | some clouds | clear | rain shwrs | cloudy | risk tstorm | risk tstorm | some clouds | some clouds | risk tstorm | some clouds | clear | clear | clear | clear | clear | clear | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | risk tstorm | risk tstorm | rain shwrs | risk tstorm | some clouds | cloudy | cloudy | rain shwrs | risk tstorm | risk tstorm | risk tstorm | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
17 | 34 | — | — | 1 | — | 3 | 1 | — | — | 3 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 4 | 1 | 2 | 2 | 1 | 1 | — | — | — | 6 | 1 | 2 | 1 | — | |
max°C | 22 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 25 |
Moonrise | 6:45 | — | — | 7:52 | — | — | — | 9:00 | — | — | 10:05 | — | — | 11:06 | — | — | — | 12:01 | — | — | 12:53 | — | — | 1:42 | — | — | 2:30 | — | — | 3:18 | — | — | 4:07 | — | — | 4:57 |
Moonset | — | — | 8:34 | — | — | 9:39 | — | — | 10:37 | — | — | 11:27 | — | — | 12:10 | — | — | 12:49 | — | — | 1:24 | — | — | 1:58 | — | — | 2:31 | — | — | — | 3:05 | — | — | 3:41 | — | — |
 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 |
 | 6:43 | — | — | 6:44 | — | — | 6:44 | — | — | 6:44 | — | — | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — |
Today's sea temperature in Johnston Atoll is 27.4° C (Statistics for 04 Dec 1981-2005 – mean: 26.6 max: 27.3 min: 25.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest