Half Moon Bay Sea Conditions and Tide Table

Half Moon 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 04:53 PM.

	Days 1–4 Weather Summary Heavy rain (total 54mm), heaviest during Sat night. Cool air temperatures (max 15°C on Fri morning, min 13°C on Thu afternoon). Wind will be generally light.											Days 5–7 Weather Summary Heavy rain (total 74mm), heaviest during Mon night. Cool air temperatures (max 15°C on Sun afternoon, min 11°C on Tue night). Winds increasing (calm on Mon morning, strong winds from the S by Tue afternoon).									Days 8–10 Weather Summary Heavy rain (total 63mm), heaviest during Wed night. Very mild (max 14°C on Wed afternoon, min 10°C on Thu morning). Winds decreasing (near gales from the SSE on Wed afternoon, calm by Sat morning).									Days 11–13 Weather Summary Heavy rain (total 20mm), heaviest during Mon afternoon. Very mild (max 12°C on Sat afternoon, min 10°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the SSE by Mon 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		11:09PM1.29m	9:04AM1.77m		11:46PM1.30m	9:41AM1.76m		00:22AM1.31m	10:18AM1.75m		00:57AM1.32m	10:57AM1.71m		1:31AM1.34m	11:38AM1.64m		2:06AM1.37m	12:24PM1.54m		2:42AM1.43m		1:18PM1.41m	3:18AM1.50m		2:24PM1.26m	3:54AM1.59m		3:48PM1.12m	4:34AM1.69m		5:27PM1.06m	5:16AM1.80m			7:03PM1.09m
Low Tide	3:53PM-0.18m	3:26AM1.03m		4:27PM-0.21m	4:03AM1.05m		5:01PM-0.22m	4:40AM1.06m		5:36PM-0.22m	5:20AM1.06m		6:12PM-0.20m	6:04AM1.05m		6:50PM-0.14m	6:58AM1.01m			7:30PM-0.06m	8:01AM0.93m		8:11PM0.06m	9:12AM0.80m		8:56PM0.22m	10:24AM0.61m		9:46PM0.40m	11:30AM0.37m		10:40PM0.58m	12:30PM0.12m		11:39PM0.74m
Wave height (m) direction period (s)	WNW 11	W 10	W 10	W 11	W 11	WNW 12	W 12	W 11	W 11	W 11	W 10	W 10	WNW 10	W 13	S 7	S 7	SSW 7	WNW 12	S 6	SW 8	W 15	W 14	W 14	W 13	W 12	W 11	W 10	W 10	W 9	WNW 8	WNW 8	W 14	W 12	W 12	W 12	W 11

	clear	some clouds	some clouds	light rain	light rain	mod rain	mod rain	heavy rain	light rain	cloudy	light rain	cloudy	light rain	heavy rain	mod rain	heavy rain	heavy rain	clear	some clouds	heavy rain	mod rain	risk tstorm	mod rain	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	light rain	light rain	mod rain	rain shwrs	clear
km/h	NNW	S	S	S	SSE	SSE	SSE	S	S	S	SW	N	NNW	S	SSE	S	W	SSE	SSE	S	SSW	S	SSW	SSW	SSW	SSE	NE	NW	SSE	ESE	S	SSE	SSE	SSE	NW	NW
mm	—	—	—	3	5	8	10	25	3	—	2	—	3	31	7	13	18	—	—	43	6	5	9	—	—	—	—	—	—	—	—	2	2	7	9	—
max°C	13	14	15	14	14	15	15	15	15	15	14	13	12	14	15	14	14	13	14	12	13	14	14	13	13	11	12	12	11	12	12	12	12	12	11	11
Moonrise	—	—	7:22	—	—	8:14	—	—	8:58	—	—	9:36	—	—	10:08	—	—	10:37	—	—	11:02	—	—	11:26	—	—	11:51	—	—	12:17	—	—	12:47	—	—	1:24
Moonset	3:37	—	—	4:26	—	—	5:22	—	—	6:23	—	—	7:27	—	—	8:32	—	—	—	9:36	—	—	10:40	—	—	11:46	—	—	—	12:53	—	—	2:04	—	—	3:19
	—	—	7:18	—	—	7:20	—	—	7:20	—	—	7:20	—	—	7:20	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:22	—	—	7:24
	4:53	—	—	4:53	—	—	4:53	—	—	4:54	—	—	4:54	—	—	4:55	—	—	4:57	—	—	4:57	—	—	4:58	—	—	4:58	—	—	4:59	—	—	5:00	—	—
	Today's sea temperature in Half Moon Bay is 12.9° C (Statistics for 18 Dec 1981-2005 – mean: 12.6 max: 14.8 min: 11.3°C)