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 08:57 PM.
Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sun night. Warm air temperatures (max 20°C on Sat night, min 13°C on Sat night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 13mm), heaviest on Mon night. Warm air temperatures (max 20°C on Wed afternoon, min 15°C on Mon afternoon). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Warm (max 23°C on Fri night, min 16°C on Fri morning). Wind will be generally light. | Days 11–13 Weather SummaryMostly dry. Warm (max 21°C on Sun afternoon, min 14°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Fri 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | Wed 7 | ||||||||||||||||||||||||
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 | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 9:59PM2.47m | 10:40AM1.56m | 10:31PM2.46m | 12:39PM1.62m | 11:03PM2.43m | 2:39PM1.84m | 11:37PM2.38m | 4:00PM2.11m | 00:17AM2.31m | 4:55PM2.30m | 1:04AM2.23m | 5:37PM2.39m | 6:14PM2.41m | 6:46PM2.38m | 7:15PM2.33m | 7:40PM2.27m | 5:36AM1.86m | 8:02PM2.22m | 6:27AM1.76m | |||||||||||||||||
Low Tide | 3:08PM0.37m | 4:50AM0.54m | 3:56PM0.85m | 5:50AM0.23m | 4:53PM1.31m | 6:48AM-0.03m | 6:09PM1.69m | 7:43AM-0.22m | 7:41PM1.92m | 8:35AM-0.34m | 9:10PM1.99m | 9:25AM-0.40m | 10:22PM1.96m | 10:11AM-0.42m | 11:15PM1.87m | 10:53AM-0.41m | 11:55PM1.74m | 11:32AM-0.36m | 00:30AM1.59m | 12:09PM-0.28m | 1:05AM1.43m | 12:44PM-0.15m | 1:43AM1.24m | |||||||||||||
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 |  | |  | | | |  |  | |  | | | |  | |  | | | | | | | | | | | | | | | | | | | | |
clear | some clouds | clear | some clouds | some clouds | some clouds | some clouds | rain shwrs | light rain | light rain | mod rain | light rain | some clouds | some clouds | cloudy | some clouds | clear | clear | some clouds | clear | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | some clouds | some clouds | clear | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | 2.0 | 2.0 | 3 | 9 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 18 | 18 | 15 | 17 | 20 | 15 | 18 | 19 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 20 | 19 | 17 | 22 | 22 | 18 | 22 | 23 | 19 | 21 | 21 | 18 | 21 | 20 | 15 | 21 | 20 | 17 | 20 | 21 | 15 |
Moonrise | — | 11:29 | — | — | 11:48 | — | — | — | 12:11 | — | — | 12:41 | — | — | 1:21 | — | — | 2:14 | — | — | 3:19 | — | — | 4:31 | — | — | 5:45 | — | — | 6:57 | — | — | 8:08 | — | — | 9:15 |
Moonset | 12:27 | — | 1:49 | — | — | — | 3:13 | — | — | 4:35 | — | — | 5:52 | — | — | 6:59 | — | — | 7:52 | — | — | 8:31 | — | — | 8:59 | — | — | — | 9:21 | — | — | 9:37 | — | — | 9:51 | 10:04 |
 | — | — | 5:41 | — | — | 5:41 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:48 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 |
 | 8:57 | — | — | 8:55 | — | — | 8:53 | — | — | 8:52 | — | — | 8:52 | — | — | 8:50 | — | — | 8:49 | — | — | 8:46 | — | — | 8:45 | — | — | 8:44 | — | — | 8:43 | — | — | 8:40 | — | — |
Today's sea temperature in Roche Harbor, San Juan Island is 11.2 °C (Statistics for 26 Jul 1981-2005 – mean: 14.4 max: 16.3 min: 12.3°C) | ||||||||||||||||||||||||||||||||||||
Nearest