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 35mm), heaviest during Sun night. Cool air temperatures (max 15°C on Sun morning, min 11°C on Mon morning). Winds decreasing (strong winds from the WNW on Mon morning, calm by Tue afternoon). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Thu morning. Cool air temperatures (max 16°C on Fri afternoon, min 11°C on Tue night). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sat night). Wind will be generally light. | Days 11–13 Weather SummaryMostly dry. Very mild (max 13°C on Tue morning, min 7°C on Wed night). Winds decreasing (fresh winds from the NW on Mon night, light winds from the N by Thu night). | |||||||||||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thu 27 | |||||||||||||||||||||||||
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 | 7:42PM1.25m | 7:43AM1.70m | 8:42PM1.25m | 8:10AM1.72m | 9:35PM1.26m | 8:35AM1.73m | 10:24PM1.27m | 9:00AM1.73m | 11:10PM1.27m | 9:28AM1.72m | 11:54PM1.26m | 9:59AM1.70m | 00:38AM1.25m | 10:33AM1.67m | 1:24AM1.24m | 11:10AM1.63m | 2:11AM1.24m | 11:52AM1.57m | 2:59AM1.26m | 12:40PM1.50m | 3:44AM1.30m | 1:38PM1.41m | 4:24AM1.36m | 2:47PM1.31m | ||||||||||||
Low Tide | 1:19AM0.48m | 2:26PM0.14m | 1:58AM0.61m | 3:03PM0.02m | 2:34AM0.73m | 3:37PM-0.08m | 3:09AM0.83m | 4:09PM-0.14m | 3:43AM0.92m | 4:42PM-0.17m | 4:18AM0.99m | 5:16PM-0.17m | 4:53AM1.04m | 5:52PM-0.16m | 5:31AM1.09m | 6:33PM-0.13m | 6:17AM1.12m | 7:17PM-0.09m | 7:16AM1.12m | 8:05PM-0.03m | 8:32AM1.09m | 8:55PM0.04m | 9:53AM0.98m | |||||||||||||
W 12 | WNW 11 | W 12 | W 14 | WNW 10 | W 12 | W 11 | WNW 11 | WNW 10 | WNW 10 | WNW 10 | WSW 15 | WSW 14 | WSW 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 12 | W 17 | W 16 | W 16 | W 15 | W 15 | W 15 | W 14 | W 14 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | W 11 | W 11 | W 16 | |
 |  |  | | | | |  | |  | |  |  |  | | | | | | | | | | | | | | | | | | | | | | | |
rain shwrs | some clouds | light rain | rain shwrs | light rain | light rain | rain shwrs | clear | clear | clear | some clouds | cloudy | cloudy | rain shwrs | light rain | rain shwrs | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
6 | — | 1 | 21 | 2 | 3 | 2 | — | — | — | — | — | — | 4 | 5 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 14 | 15 | 15 | 14 | 12 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 15 | 16 | 14 | 16 | 17 | 14 | 17 | 15 | 13 | 14 | 13 | 12 | 13 | 12 | 11 | 12 | 13 | 11 | 10 | 11 |
Moonrise | — | 3:33 | — | — | 4:32 | — | — | 5:32 | — | — | 6:33 | — | — | 7:34 | — | — | 8:33 | — | — | 9:27 | — | — | 10:16 | — | — | 10:59 | — | — | 11:35 | — | — | 12:06 | — | — | 12:33 | — |
Moonset | — | 2:58 | — | — | — | 3:22 | — | — | 3:48 | — | — | 4:19 | — | — | 4:56 | — | — | 5:40 | — | — | 6:31 | — | — | 7:28 | — | — | 8:30 | — | — | — | 9:34 | — | — | 10:38 | — | — |
 | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — | 7:01 | — | — | 7:01 | — |
 | — | — | 4:58 | — | — | 4:57 | — | — | 4:57 | — | — | 4:55 | — | — | 4:54 | — | — | 4:54 | — | — | 4:53 | — | — | 4:53 | — | — | 4:53 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 |
Today's sea temperature in Half Moon Bay is 14.8° C (Statistics for 15 Nov 1981-2005 – mean: 13.6 max: 16.2 min: 11.8°C) | ||||||||||||||||||||||||||||||||||||
Nearest