Mad River Slough, Arcata Bay, Humboldt Bay Sea Conditions and Tide Table

Mad River Slough, Arcata Bay, Humboldt Bay 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 04:50 PM.

	Days 1–4 Weather Summary Heavy rain (total 38mm), heaviest during Thu night. Cool air temperatures (max 15°C on Thu afternoon, min 8°C on Fri night). Winds decreasing (fresh winds from the S on Thu night, calm by Sat afternoon).											Days 5–7 Weather Summary Moderate rain (total 18mm), heaviest on Tue morning. Cool air temperatures (max 14°C on Wed morning, min 7°C on Tue afternoon). Wind will be generally light.									Days 8–10 Weather Summary Heavy rain (total 61mm), heaviest during Wed afternoon. Very mild (max 12°C on Wed afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the SSE on Thu night, light winds from the SE by Fri night).									Days 11–13 Weather Summary Heavy rain (total 37mm), heaviest during Mon morning. Very mild (max 13°C on Sun morning, min 5°C on Mon night). Winds decreasing (fresh winds from the SSE on Sun night, calm by Tue morning).
	Thu 18		Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29			Tue 30
	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		00:53AM1.83m	11:08AM2.55m		1:29AM1.86m	11:44AM2.55m		2:05AM1.87m	12:20PM2.52m		2:41AM1.89m	12:57PM2.47m		3:18AM1.91m		1:36PM2.37m	3:55AM1.95m		2:19PM2.24m	4:32AM2.02m		3:11PM2.07m	5:09AM2.12m		4:15PM1.88m	5:48AM2.24m		5:34PM1.70m	6:28AM2.39m			7:03PM1.59m	7:12AM2.55m		8:34PM1.59m	8:00AM2.70m
Low Tide	5:42PM-0.14m	5:04AM1.28m		6:18PM-0.20m	5:43AM1.28m		6:53PM-0.23m	6:21AM1.28m			7:29PM-0.23m	7:01AM1.26m		8:04PM-0.21m	7:45AM1.24m		8:40PM-0.15m	8:35AM1.20m		9:17PM-0.05m	9:33AM1.13m		9:55PM0.09m	10:41AM1.01m		10:36PM0.29m	11:53AM0.81m		11:21PM0.51m		1:04PM0.55m	00:13AM0.73m		2:09PM0.26m	1:12AM0.93m
Wave height (m) direction period (s)	WNW 10	WNW 11	W 11	WNW 11	WNW 11	WNW 12	WNW 11	WNW 11	WNW 11	WNW 11	WNW 11	WNW 10	WNW 10	WNW 12	WNW 12	WNW 12	WNW 12	WNW 12	WNW 11	SW 9	W 14	W 12	WSW 12	WSW 12	WSW 11	W 10	W 9	W 8	WNW 8	WNW 10	WNW 13	W 12	W 12	W 12	WNW 12	WNW 11

	cloudy	heavy rain	heavy rain	cloudy	some clouds	some clouds	cloudy	mod rain	cloudy	rain shwrs	rain shwrs	clear	some clouds	light rain	mod rain	mod rain	rain shwrs	some clouds	heavy rain	heavy rain	mod rain	light rain	heavy rain	risk tstorm	rain shwrs	rain shwrs	cloudy	cloudy	cloudy	some clouds	light rain	mod rain	heavy rain	light rain	clear	clear
km/h	S	S	WNW	N	NE	NNE	N	N	NNW	WSW	SSE	S	SW	ESE	ENE	E	SSE	SE	SE	SSE	SSE	SSE	SE	SSW	S	SE	SE	S	SE	SE	SSE	SE	NW	ENE	NE	ESE
mm	—	20	11	—	—	—	—	7	—	1	1	—	—	2	7	6	1	—	11	22	6	1	12	4	3	2	—	—	—	—	1	10	22	4	—	—
max°C	15	15	13	10	10	11	10	10	11	11	11	13	12	9	8	8	8	14	12	9	10	11	11	12	11	10	12	12	10	13	12	13	10	9	8	9
Moonrise	—	—	7:43	—	—	8:34	—	—	9:17	—	—	9:53	—	—	10:23	—	—	10:49	—	—	11:12	—	—	11:34	—	—	11:56	—	—	12:19	—	—	12:47	—	—	1:21
Moonset	3:30	—	—	4:19	—	—	5:16	—	—	6:18	—	—	7:24	—	—	8:31	—	—	—	9:38	—	—	10:45	—	—	11:53	—	—	—	1:04	—	—	2:17	—	—	3:35
	—	—	7:35	—	—	7:37	—	—	7:37	—	—	7:37	—	—	7:37	—	—	7:39	—	—	7:39	—	—	7:39	—	—	7:39	—	—	7:39	—	—	7:39	—	—	7:39
	4:50	—	—	4:51	—	—	4:51	—	—	4:52	—	—	4:52	—	—	4:52	—	—	4:52	—	—	4:53	—	—	4:53	—	—	4:54	—	—	4:55	—	—	4:57	—	—
	Today's sea temperature in Mad River Slough, Arcata Bay, Humboldt Bay is 12.4° C (Statistics for 18 Dec 1981-2005 – mean: 11.6 max: 13.5 min: 10.4°C)