Johnston Atoll Sea Conditions and Tide Table

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 07:53 PM.

	Days 1–4 Weather Summary Light rain (total 2mm), mostly falling on Sun night. Warm air temperatures (max 27°C on Sun night, min 26°C on Sun night). Mainly fresh winds.										Days 5–7 Weather Summary Some drizzle, heaviest during Fri night. Warm air temperatures (max 27°C on Wed night, min 26°C on Wed night). Mainly fresh winds.									Days 8–10 Weather Summary Some drizzle, heaviest during Tue morning. Warm (max 27°C on Sun afternoon, min 26°C on Sat night). Mainly fresh winds.									Days 11–13 Weather Summary Heavy rain (total 20mm), heaviest during Wed night. Warm (max 27°C on Wed afternoon, min 26°C on Tue night). Mainly fresh winds.									Days 14–17 Weather Summary Moderate rain (total 10mm), heaviest on Mon morning. Warm (max 27°C on Fri night, min 26°C on Fri night). Wind will be generally light.
		Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Friday 31			Saturday 1			Sunday 2			Monday 3			Tue 4
	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	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM
Wave Height Map See all maps
High Tide	9:25PM0.55m	10:26AM0.61m		10:11PM0.47m		11:19AM0.60m	11:09PM0.41m		12:19PM0.59m	00:27AM0.36m		1:24PM0.59m	1:56AM0.36m		2:27PM0.60m	3:09AM0.38m		3:20PM0.63m	4:02AM0.42m		4:05PM0.67m	4:43AM0.46m		4:44PM0.70m		5:20AM0.50m		5:19PM0.73m	5:54AM0.54m		5:52PM0.75m	6:27AM0.58m		6:25PM0.76m	7:01AM0.62m		6:57PM0.74m	7:35AM0.65m		7:30PM0.71m	8:12AM0.67m		8:06PM0.66m	8:53AM0.68m
Low Tide	3:41AM0.04m		4:37PM0.20m	4:21AM0.09m			5:55PM0.22m	5:12AM0.13m		7:23PM0.21m	6:19AM0.16m		8:37PM0.17m	7:36AM0.16m		9:30PM0.12m	8:41AM0.14m		10:12PM0.07m	9:33AM0.11m		10:48PM0.02m	10:16AM0.08m		11:21PM-0.01m	10:55AM0.06m		11:52PM-0.04m		11:32AM0.04m	00:22AM-0.05m		12:08PM0.04m	00:51AM-0.06m		12:44PM0.05m	1:20AM-0.06m		1:23PM0.06m	1:50AM-0.05m		2:05PM0.09m	2:22AM-0.03m
Wave Height (m) Direction Period (s)	SSE 17	SSE 16	SSE 15	SSE 14	SSE 14	SSE 14	SSE 14	SSE 13	SSE 13	SSE 14	SSE 13	E 7	E 7	E 8	E 8	E 8	E 8	E 8	E 8	E 8	ENE 8	ENE 8	E 16	E 16	E 15	E 15	ESE 14	ESE 14	E 10	ENE 8	SSW 17	SSW 16	SSW 15	S 15	S 15	S 15	S 14	SSW 14	SSW 13	SW 13	WSW 12	W 12	SW 12	SW 12	SW 13	SSW 15	S 14

	risk tstorm	some clouds	clear	risk tstorm	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	risk tstorm	clear	clear	clear	clear	some clouds	clear	clear	some clouds	clear	risk tstorm	clear	clear	risk tstorm	risk tstorm	risk tstorm	risk tstorm	clear	risk tstorm	risk tstorm	risk tstorm	rain shwrs	some clouds	some clouds	some clouds	clear	clear	rain shwrs	risk tstorm	risk tstorm	risk tstorm	some clouds
km/h	E	E	ENE	ENE	ENE	ENE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	ENE	ENE	NE	ENE	ENE	ENE	SE	ESE	SE	ESE	SE	ESE	ESE	ESE	ESE	ESE	ESE	ESE	E	ESE	SE	ESE	ESE
mm	1	—	—	1	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	—	—	—	—	1	—	—	1	2	6	1	—	7	2	1	2	—	—	—	—	—	1	3	2	2	—
max °C	27	26	27	27	26	26	27	26	27	27	26	27	27	26	26	26	26	27	26	26	27	27	26	27	26	26	27	26	26	27	27	27	27	27	27	27	27	26	27	26	26	27	27	26	26	27	26
Moonrise	—	12:55	—	—	1:46	—	—	2:38	—	—	—	3:31	—	—	4:24	—	—	5:16	—	—	6:06	—	—	6:54	—	—	7:38	—	—	8:18	—	—	8:56	—	—	—	9:32	—	—	10:07	—	—	10:43	—	—	11:21	—
Moonset	—	12:05	—	—	12:41	—	—	1:20	—	—	2:01	—	—	2:45	—	—	3:34	—	—	4:25	—	—	5:18	—	—	6:12	—	—	7:05	—	—	7:57	—	—	8:48	—	—	9:39	—	—	10:30	—	—	11:22	—	—	12:17
	—	6:54	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:54	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:56	—	—	6:58	—	—	6:58	—	—	6:58	—	—	6:58	—	—	6:58
	7:53	—	7:53	—	—	7:52	—	—	7:52	—	—	7:52	—	—	7:52	—	—	7:52	—	—	7:52	—	—	7:52	—	—	7:51	—	—	7:51	—	—	7:51	—	—	7:50	—	—	7:50	—	—	7:50	—	—	7:49	—	—
	Today's sea temperature in Johnston Atoll is 27.8° C (Statistics for 19 Jul 1981-2005 – mean: 27.2 max: 27.7 min: 26.5°C)