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 07:18 AM and sunset is at 04:53 PM.
Days 1–3 Weather SummaryHeavy rain (total 48mm), heaviest during Sat night. Cool air temperatures (max 15°C on Fri morning, min 12°C on Thu morning). Winds increasing (calm on Thu morning, fresh winds from the SSW by Sat night). | Days 4–6 Weather SummaryHeavy rain (total 54mm), heaviest during Mon afternoon. Cool air temperatures (max 15°C on Sun morning, min 11°C on Mon afternoon). Winds increasing (calm on Mon morning, near gales from the S by Tue afternoon). | Days 7–9 Weather SummaryHeavy rain (total 57mm), heaviest during Wed night. Very mild (max 14°C on Wed morning, min 10°C on Thu morning). Winds decreasing (gales from the SSE on Wed afternoon, calm by Fri night). | Days 10–12 Weather SummaryLight rain (total 7mm), mostly falling on Tue morning. Very mild (max 12°C on Sat morning, min 8°C on Sun night). Winds increasing (calm on Sun morning, fresh winds from the SSE by Tue morning). | |||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||||||
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 | 8:29AM1.76m | 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 | |||||||||||||
W 11 | W 11 | W 10 | W 10 | WNW 11 | W 11 | WNW 11 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | WNW 10 | WNW 10 | SSW 7 | SSW 8 | SSW 9 | WNW 12 | S 7 | SSW 10 | SW 10 | WSW 12 | W 13 | W 14 | W 12 | WSW 11 | W 10 | W 10 | W 9 | W 9 | W 8 | W 15 | W 13 | W 12 | W 12 | |
 | |  |  |  |  | |  |  | | |  |  | | | |  |  | |  | | | | |  | |  | | | | | | | | |  | |
clear | clear | some clouds | some clouds | light rain | mod rain | light rain | heavy rain | heavy rain | light rain | light rain | cloudy | cloudy | heavy rain | mod rain | light rain | mod rain | rain shwrs | clear | rain shwrs | heavy rain | mod rain | some clouds | mod rain | risk tstorm | rain shwrs | clear | clear | some clouds | some clouds | some clouds | some clouds | clear | some clouds | some clouds | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 2 | 6 | 3 | 16 | 21 | 4 | 1 | — | — | 21 | 9 | 3 | 7 | 9 | — | 1 | 32 | 10 | — | 7 | 6 | 1 | — | — | — | — | — | — | — | — | — | 1 | |
max°C | 14 | 13 | 14 | 15 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 12 | 13 | 11 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 11 | 11 | 12 | 12 | 10 | 11 | 12 | 10 | 12 | 12 | 12 |
Moonrise | 6:26 | — | — | 7:22 | — | — | 8:14 | — | — | 8:58 | — | — | 9:36 | — | — | 10:08 | — | — | 10:37 | — | — | 11:02 | — | — | 11:26 | — | — | 11:51 | — | — | 12:17 | — | — | 12:47 | — | — |
Moonset | — | 3:37 | — | — | 4:26 | — | — | 5:22 | — | — | 6:23 | — | — | 7:27 | — | — | 8:32 | — | — | — | 9:36 | — | — | 10:40 | — | — | 11:46 | — | — | — | 12:53 | — | — | 2:04 | — | — |
 | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — |
 | — | 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) | ||||||||||||||||||||||||||||||||||||
Nearest