Tide Table for Johnston Atoll

Johnston Atoll tide table for the next 7 days

Issued (local time): 7 am Friday 17 Sep 2021

Forecast update inUpdates in  hr  min  sUpdate imminent 

Johnston Atoll tide table for the next 7 days

Issued (local time): 7 am Friday 17 Sep 2021
Forecast update inUpdates in  hr  min  sUpdate imminent 
Days 0–3 Weather Summary: Heavy rain (total 27mm), heaviest during Fri night. Warm air temperatures (max 27°C on Fri morning, min 25°C on Fri night). Winds decreasing (strong winds from the ESE on Fri night, moderate winds from the E by Sun afternoon). Days 4–6 Weather Summary: Light rain (total 5mm), mostly falling on Wed afternoon. Warm air temperatures (max 27°C on Mon morning, min 26°C on Mon morning). Mainly fresh winds.
  Friday 17 Saturday 18 Sunday 19 Monday 20 Tuesday 21 Wednesday 22
 Time of Day 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 		after-
noon 		night
Wave Height Map See all maps
High Tide
height (m)
3:38PM
0.72
4:17AM
0.62
4:21PM
0.75
4:53AM
0.68
4:58PM
0.77
5:26AM
0.73
5:31PM
0.77
5:57AM
0.77
6:03PM
0.74
6:26AM
0.78
6:33PM
0.71
Low Tide
height (m)
9:21AM
0.12
10:08PM
0.01
10:08AM
0.07
10:43PM
-0.02
10:48AM
0.04
11:14PM
-0.04
11:25AM
0.02
11:43PM
-0.04
11:59AM
0.02
00:09AM
-0.02
12:32PM
0.03
00:36AM
0.00
Swell (m)
direction
1.8
ENE
1.9
E
1.8
ESE
2
E
2
E
1.9
E
1.8
E
1.8
E
1.9
E
1.9
E
1.9
E
1.8
E
1.8
NE
1.9
NE
1.9
NNW
2
NNW
1.9
NNW
1.9
NNW
Wave Height (m) 1.8 1.9 1.8 2.0 2.0 1.9 1.8 1.8 1.9 1.9 1.9 1.8 1.8 1.9 1.9 2.0 1.9 1.9
Period (s) 7 7 7 8 8 8 8 8 8 9 8 8 10 10 13 12 12 12
Wind
(km/h)
40
ESE
40
ESE
35
ESE
35
E
25
E
25
ENE
30
E
25
E
25
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
  Today's sea temperature in Johnston Atoll is 27.9 °C (Statistics for 17 Sep 1981-2005 – mean: 27.9 max: 28.4 min: 27.1 °C)
  thunderstorm thunderstorm thunderstorm part cloud clear thunderstorm thunderstorm clear rain showers part cloud clear part cloud clear clear clear part cloud thunderstorm thunderstorm
Summary risk
tstorm		 risk
tstorm		 risk
tstorm		 some
clouds		 clear risk
tstorm		 risk
tstorm		 clear rain
shwrs		 some
clouds		 clear some
clouds		 clear clear clear some
clouds		 risk
tstorm		 risk
tstorm
Rain mm 1 4 15 - - 4 2 - 1 - - - - - - - 3 2
High °C 27 26 27 27 27 27 27 27 27 27 27 27 26 27 26 27 27 27
Low °C 26 26 25 27 27 26 27 27 26 26 27 26 26 26 26 26 27 26
Chill °C 27 26 27 27 27 27 27 27 27 27 27 27 26 27 26 27 27 27
Sunrise 7:05 - - 7:05 - - 7:05 - - 7:05 - - 7:05 - - 7:07 - -
Sunset - 7:17 - - 7:16 - - 7:15 - - 7:15 - - 7:15 - - 7:14 -

Tide datum: Mean Lower Low Water.

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