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 07:20 AM and sunset is at 04:53 PM.
Days 1–3 Weather SummaryHeavy rain (total 32mm), heaviest during Sun afternoon. Cool air temperatures (max 15°C on Sat morning, min 11°C on Mon night). Winds decreasing (strong winds from the S on Sun morning, calm by Mon night). | Days 4–6 Weather SummaryHeavy rain (total 88mm), heaviest during Wed night. Cool air temperatures (max 16°C on Tue afternoon, min 10°C on Wed night). Winds increasing (light winds from the SSW on Tue night, near gales from the SSE by Wed night). | Days 7–9 Weather SummaryLight rain (total 4mm), mostly falling on Fri morning. Very mild (max 14°C on Sat morning, min 10°C on Sat night). Winds decreasing (fresh winds from the S on Fri morning, light winds from the NE by Sun night). | Days 10–12 Weather SummaryMostly dry. Very mild (max 13°C on Mon morning, min 9°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | |||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 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 | 8:20PM1.19m | 9:24PM1.30m | |||||||||||||||
Low Tide | 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 | 1:25PM-0.12m | 00:40AM0.86m | 2:17PM-0.32m | 1:40AM0.93m | |||||||||||||
W 12 | W 12 | W 11 | W 11 | WSW 7 | W 8 | W 10 | W 10 | WNW 10 | W 12 | W 12 | S 8 | WNW 12 | W 12 | S 7 | SSW 10 | SW 9 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 8 | WSW 8 | SW 7 | WSW 7 | W 7 | W 14 | W 13 | W 12 | W 12 | W 11 | W 11 | W 12 | |
 |  |  | |  |  | | | | | |  | |  | | |  |  |  |  | | |  |  | | |  | | | | | | | | | | |
cloudy | light rain | light rain | light rain | heavy rain | rain shwrs | cloudy | light rain | light rain | light rain | light rain | heavy rain | light rain | risk tstorm | rain shwrs | light rain | mod rain | mod rain | rain shwrs | clear | light rain | light rain | some clouds | cloudy | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | some clouds | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
— | 1 | 1 | 3 | 20 | 2 | — | 1 | 4 | 2 | 2 | 35 | 5 | 2 | 25 | 4 | 6 | 7 | 2 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 15 | 16 | 16 | 12 | 14 | 15 | 13 | 13 | 14 | 13 | 13 | 12 | 14 | 14 | 12 | 13 | 14 | 12 | 13 | 13 | 11 | 12 | 11 | 12 | 12 | 12 | 11 |
Moonrise | 8:14 | — | — | 8:58 | — | — | 9:36 | — | — | 10:08 | — | — | 10:37 | — | — | 11:02 | — | — | 11:26 | — | — | 11:51 | — | — | 12:17 | — | — | 12:47 | — | — | 1:24 | — | — | 2:10 | — | — |
Moonset | — | 5:22 | — | — | 6:23 | — | — | 7:27 | — | — | 8:32 | — | — | — | 9:36 | — | — | 10:40 | — | — | 11:46 | — | — | — | 12:53 | — | — | 2:04 | — | — | 3:19 | — | — | 4:36 | — | — |
 | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | 4:53 | — | — | 4:54 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:57 | — | — | 4:58 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — |
Today's sea temperature in Half Moon Bay is 13.0° C (Statistics for 20 Dec 1981-2005 – mean: 12.5 max: 14.8 min: 10.8°C) | ||||||||||||||||||||||||||||||||||||
Nearest