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 —.
Days 1–4 Weather SummaryHeavy rain (total 52mm), heaviest during Sat night. Cool air temperatures (max 15°C on Fri morning, min 13°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 40mm), heaviest during Tue night. Cool air temperatures (max 16°C on Tue afternoon, min 11°C on Tue night). Winds increasing (calm on Sun night, gales from the SSE by Tue night). | Days 8–10 Weather SummaryHeavy rain (total 52mm), heaviest during Wed night. Very mild (max 14°C on Fri morning, min 11°C on Wed night). Winds decreasing (fresh winds from the SSW on Wed night, calm by Fri afternoon). | Days 11–13 Weather SummaryModerate rain (total 12mm), heaviest on Sun night. Very mild (max 12°C on Sun morning, min 8°C on Tue afternoon). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tue 30 | |||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
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 | 3:26AM1.03m | 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 | 1:25PM-0.12m | |||||||||||||
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 6 | S 7 | S 9 | SSW 9 | SSW 8 | SSW 9 | WSW 10 | W 14 | W 15 | W 14 | W 12 | W 11 | W 10 | W 10 | W 9 | W 8 | W 8 | W 14 | W 12 | W 12 | W 11 | W 11 | W 13 | |
 |  |  |  | |  |  | | | | | | | |  | |  | | | | | | | |  | | | | | |  | | |  | | | |
some clouds | some clouds | light rain | mod rain | light rain | mod rain | heavy rain | mod rain | mod rain | heavy rain | some clouds | light rain | mod rain | light rain | cloudy | heavy rain | clear | some clouds | heavy rain | light rain | light rain | mod rain | light rain | some clouds | clear | clear | clear | some clouds | cloudy | cloudy | light rain | light rain | cloudy | cloudy | cloudy | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 1 | 6 | 3 | 6 | 21 | 8 | 7 | 11 | — | 4 | 7 | 1 | — | 17 | — | — | 36 | 4 | 2 | 9 | 1 | — | — | — | — | — | — | — | 3 | 2 | — | — | — | 5 | |
max°C | 13 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 15 | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 11 | 12 | 12 | 12 | 11 | 12 | 11 | 10 | 8 |
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 | — | — | 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 | — | — | 4:54 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:57 | — | — | 4:58 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 |
Today's sea temperature in Half Moon Bay is 13.0° C (Statistics for 18 Dec 1981-2005 – mean: 12.6 max: 14.8 min: 11.1°C) | ||||||||||||||||||||||||||||||||||||
Nearest