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 04:54 PM.
Days 1–3 Weather SummaryHeavy rain (total 26mm), heaviest during Mon night. Cool air temperatures (max 16°C on Sun morning, min 13°C on Sat morning). Winds decreasing (fresh winds from the SSE on Sat morning, calm by Sat night). | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Tue morning. Cool air temperatures (max 13°C on Tue morning, min 9°C on Tue night). Wind will be generally light. | Days 7–9 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 15°C on Sat morning, min 10°C on Sun night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Very mild (max 13°C on Mon morning, min 9°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 1 | |||||||||||||||||||||||||
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 | 2:20PM1.26m | 4:19AM1.49m | 3:33PM1.11m | 4:55AM1.53m | 5:02PM1.01m | 5:29AM1.58m | 6:38PM1.00m | 6:02AM1.63m | 7:59PM1.06m | 9:01PM1.13m | 7:13AM1.73m | 9:50PM1.21m | 7:51AM1.78m | 10:32PM1.26m | 8:30AM1.82m | 11:10PM1.30m | 9:10AM1.86m | 11:47PM1.34m | 9:51AM1.87m | 00:20AM1.37m | 10:34AM1.87m | 00:55AM1.40m | ||||||||||||||
Low Tide | 9:27AM0.86m | 9:12PM0.25m | 10:37AM0.73m | 9:59PM0.41m | 11:41AM0.58m | 10:47PM0.58m | 12:35PM0.40m | 11:37PM0.72m | 1:22PM0.23m | 00:27AM0.84m | 2:03PM0.08m | 1:16AM0.94m | 2:41PM-0.05m | 2:01AM1.00m | 3:17PM-0.16m | 2:43AM1.03m | 3:53PM-0.24m | 3:23AM1.04m | 4:30PM-0.30m | 4:04AM1.04m | 5:08PM-0.34m | 4:46AM1.00m | 5:46PM-0.33m | 5:34AM0.96m | ||||||||||||
W 18 | W 17 | W 16 | W 16 | W 15 | W 15 | W 17 | W 20 | W 18 | W 17 | W 16 | W 15 | W 14 | W 14 | W 14 | W 14 | W 15 | W 15 | W 15 | W 14 | W 14 | W 15 | W 17 | W 16 | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 12 | W 12 | W 11 | W 11 | WNW 8 | W 17 | |
 |  |  |  | | | | |  |  |  |  | | | | | | | | |  | | | | | | | | | | | | | | | | |
light rain | cloudy | light rain | some clouds | cloudy | light rain | cloudy | some clouds | rain shwrs | rain shwrs | clear | clear | clear | some clouds | light rain | cloudy | cloudy | light rain | light rain | cloudy | some clouds | some clouds | cloudy | some clouds | cloudy | light rain | some clouds | clear | clear | some clouds | cloudy | cloudy | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
1.0 | — | 1.0 | — | — | 1.0 | — | — | 23 | 2.0 | — | — | — | — | 1.0 | — | — | 2.0 | 1.0 | — | — | — | — | — | — | 1.0 | — | — | — | — | — | — | — | — | — | — | |
max°C | 14 | 14 | 14 | 16 | 16 | 15 | 16 | 16 | 15 | 13 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 15 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 10 | 12 | 12 | 11 |
Moonrise | — | — | 11:36 | — | — | — | 12:33 | — | — | 1:31 | — | — | 2:30 | — | — | 3:30 | — | — | 4:33 | — | — | 5:37 | — | — | 6:39 | — | — | 7:36 | — | — | 8:27 | — | — | 9:09 | — | — |
Moonset | 11:42 | — | — | 12:03 | — | — | 12:24 | — | — | 12:46 | — | — | 1:10 | — | — | 1:38 | — | — | 2:12 | — | — | 2:53 | — | — | — | 3:43 | — | — | 4:43 | — | — | 5:50 | — | — | 7:00 | — |
 | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — |
 | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:57 | — | — | 4:58 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — |
Today's sea temperature in Half Moon Bay is 12.3 °C (Statistics for 21 Dec 1981-2005 – mean: 12.4 max: 14.8 min: 10.8°C) | ||||||||||||||||||||||||||||||||||||
Nearest