Roche Harbor, San Juan Island 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 08:28 PM.
Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Fri night. Cool air temperatures (max 14°C on Fri afternoon, min 8°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Sat night. Cool air temperatures (max 12°C on Sun afternoon, min 8°C on Sat night). Mainly fresh winds. | Days 8–10 Weather SummaryMostly dry. Very mild (max 16°C on Thu night, min 7°C on Tue night). Wind will be generally light. | Days 11–13 Weather SummaryMostly dry. Very mild (max 16°C on Fri night, min 9°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Mon 13 | |||||||||||||||||||||||||
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 | 1:44AM2.33m | 10:40AM1.65m | 2:16AM2.34m | 12:55PM1.61m | 2:44AM2.34m | 2:41PM1.70m | 3:11AM2.36m | 4:04PM1.88m | 3:36AM2.37m | 5:14PM2.08m | 6:17PM2.26m | 7:15PM2.40m | 8:10PM2.47m | 5:27AM2.24m | 9:06PM2.48m | 5:59AM2.12m | 10:01PM2.45m | 6:33AM1.97m | 10:57PM2.40m | 7:12AM1.80m | ||||||||||||||||
Low Tide | 5:28PM-0.11m | 8:20AM1.59m | 6:34PM0.07m | 8:39AM1.26m | 7:36PM0.29m | 9:10AM0.85m | 8:33PM0.55m | 9:45AM0.40m | 9:28PM0.84m | 10:23AM-0.03m | 10:19PM1.14m | 11:02AM-0.39m | 11:11PM1.41m | 11:42AM-0.64m | 00:05AM1.63m | 12:23PM-0.75m | 1:02AM1.79m | 1:06PM-0.73m | 2:09AM1.87m | 1:51PM-0.61m | 3:38AM1.87m | 2:38PM-0.41m | 5:33AM1.77m | 3:29PM-0.18m | ||||||||||||
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 |  | |  | |  |  |  | | | | |  | | |  | | | | | | | | | | | | | | | | | | | | | |
some clouds | clear | clear | clear | some clouds | cloudy | light rain | light rain | light rain | light rain | light rain | some clouds | rain shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | 2.0 | 1.0 | 1.0 | 1.0 | 2.0 | — | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 11 | 9 | 13 | 13 | 10 | 14 | 11 | 10 | 11 | 9 | 10 | 12 | 10 | 11 | 12 | 10 | 10 | 11 | 11 | 9 | 10 | 11 | 10 | 14 | 16 | 12 | 16 | 16 | 12 | 15 | 15 | 11 | 12 | 12 | 10 | 13 |
Moonrise | 3:22 | 3:46 | — | — | 4:05 | — | — | 4:22 | — | — | 4:38 | — | — | 4:55 | — | — | 5:15 | — | — | 5:39 | — | — | 6:12 | — | — | 6:55 | — | — | 7:52 | — | — | 8:58 | — | — | 10:11 | — |
Moonset | 12:11 | 1:35 | — | — | — | 3:00 | — | — | 4:24 | — | — | 5:48 | — | — | 7:15 | — | — | 8:42 | — | — | — | 10:09 | — | — | 11:29 | — | — | — | 12:36 | — | — | 1:27 | — | — | 2:04 | — |
 | — | 5:50 | — | — | 5:48 | — | — | 5:46 | — | — | 5:45 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — | 5:37 | — | — | 5:35 | — | — | 5:33 | — | — | 5:33 | — |
 | 8:28 | — | 8:29 | — | — | 8:30 | — | — | 8:31 | — | — | 8:34 | — | — | 8:35 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — | 8:40 | — | — | 8:42 | — | — | 8:43 | — | — | 8:45 |
Today's sea temperature in Roche Harbor, San Juan Island is 9.2 °C (Statistics for 01 May 1981-2005 – mean: 11.0 max: 12.9 min: 9.7°C) | ||||||||||||||||||||||||||||||||||||
Nearest