Johnston Atoll tide table for the next 7 days
Issued (local time): 1 pm Saturday 17 Apr 2021
Forecast update inUpdates in hr min sUpdate imminent
Johnston Atoll tide table for the next 7 daysForecast update inUpdates in hr min sUpdate imminent
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Days 0–3 Weather Summary: Light rain (total 4mm), mostly falling on Mon morning. Warm air temperatures (max 25°C on Sun afternoon, min 24°C on Sat afternoon). Mainly fresh winds. | Days 4–6 Weather Summary: Heavy rain (total 30mm), heaviest during Wed night. Warm air temperatures (max 25°C on Tue afternoon, min 23°C on Wed night). Winds decreasing (fresh winds from the ESE on Wed night, light winds from the E by Thu night). | ||||||||||||||||
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| Sat | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Fri | ||||||||||||
| Time of Day |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
after- noon |
night |
morn- ing |
| Wave Height Map See all maps |
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High Tide height (m) |
8:58PM
0.55 |
9:38AM
0.34 |
9:55PM
0.50 |
10:59AM
0.32 |
11:13PM
0.48 |
12:37PM
0.34 |
00:39AM
0.48 |
1:55PM
0.41 |
1:53AM
0.52 |
2:50PM
0.51 |
2:52AM
0.56 |
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Low Tide height (m) |
2:18PM
0.05 |
3:38AM
0.05 |
3:04PM
0.10 |
4:51AM
0.07 |
4:19PM
0.15 |
6:24AM
0.07 |
6:14PM
0.16 |
7:40AM
0.03 |
7:48PM
0.11 |
8:33AM
-0.03 |
8:52PM
0.05 |
9:17AM
-0.08 |
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Swell (m) direction |
NE | NE | NE | NE | ENE | E | ENE | NNE | NE | ENE | E | E | ESE | N | NNE | ENE | E | ENE |
| Wave Height (m) | 2.0 | 1.8 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.6 | 1.5 | 1.5 | 1.5 | 1.6 | 1.7 | 1.7 | 1.6 | 1.7 | 1.7 | 1.5 |
| Period (s) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 9 | 10 |
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Wind (km/h) |
ENE |
E |
E |
ESE |
ESE |
ESE |
ESE |
ESE |
ESE |
ESE |
ESE |
SE |
SE |
ESE |
ESE |
ESE |
ESE |
ENE |
| Today's sea temperature in Johnston Atoll is 25.6 °C (Statistics for 17 Apr 1981-2005 – mean: 25.7 max: 26.4 min: 24.7 °C) | ||||||||||||||||||
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| Summary | cloudy | some clouds |
some clouds |
clear | some clouds |
risk tstorm |
risk tstorm |
cloudy | risk tstorm |
risk tstorm |
risk tstorm |
risk tstorm |
risk tstorm |
risk tstorm |
cloudy | risk tstorm |
clear | clear |
| Rain mm | - | - | - | - | - | 1 | 1 | - | 2 | 1 | 2 | 1 | 11 | 14 | - | 1 | - | - |
| High °C | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 |
| Low °C | 24 | 24 | 24 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 24 | 25 | 24 | 25 |
| Chill °C | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 |
| Sunrise | - | - | 7:00 | - | - | 6:58 | - | - | 6:58 | - | - | 6:58 | - | - | 6:58 | - | - | 6:56 |
| Sunset | 7:34 | - | - | 7:34 | - | - | 7:34 | - | - | 7:34 | - | - | 7:35 | - | - | 7:35 | - | - |
Tide datum: Mean Lower Low Water.