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 06:03 AM and sunset is at 08:17 PM.
Days 1–3 Weather SummaryHeavy rain (total 25mm), heaviest during Thu morning. Cool air temperatures (max 10°C on Wed afternoon, min 8°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 8mm), mostly falling on Sun night. Cool air temperatures (max 10°C on Sat morning, min 6°C on Sun night). Wind will be generally light. | Days 7–9 Weather SummaryLight rain (total 6mm), mostly falling on Thu afternoon. Very mild (max 11°C on Wed afternoon, min 6°C on Tue morning). Wind will be generally light. | Days 10–12 Weather SummarySome drizzle, heaviest during Fri morning. Very mild (max 17°C on Sun afternoon, min 8°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | |||||||||||||||||||||||||
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 | 7:25PM2.08m | 5:14AM2.09m | 8:14PM2.16m | 5:30AM2.08m | 9:06PM2.22m | 5:42AM2.08m | 10:04PM2.25m | 5:44AM2.07m | 11:07PM2.27m | 5:19AM2.05m | 00:11AM2.30m | 1:04AM2.32m | 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 | |||||||||||||||
Low Tide | 12:02PM-0.21m | 00:17AM1.50m | 12:33PM-0.37m | 00:56AM1.68m | 1:08PM-0.46m | 1:38AM1.84m | 1:47PM-0.49m | 2:29AM1.97m | 2:32PM-0.46m | 4:00AM2.05m | 3:24PM-0.38m | 4:23PM-0.26m | 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 | |||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 |  |  | |  |  | | |  | | |  | | | |  | | | | | | | | | | |  | | |  | | | | | | | |
light rain | cloudy | cloudy | light rain | mod rain | mod rain | light rain | light rain | rain shwrs | light rain | light rain | some clouds | cloudy | light rain | rain shwrs | some clouds | some clouds | cloudy | some clouds | cloudy | some clouds | cloudy | cloudy | cloudy | light rain | light rain | light rain | light rain | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
2.0 | — | — | 5 | 6 | 6 | 4 | 1.0 | 1.0 | 1.0 | 1.0 | — | — | 1.0 | 5 | — | — | — | — | — | — | — | — | — | 2.0 | 3 | 1.0 | 1.0 | — | — | — | — | — | — | — | — | |
max°C | 9 | 10 | 10 | 8 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 10 | 9 | 7 | 10 | 10 | 9 | 11 | 11 | 9 | 10 | 9 | 9 | 12 | 11 | 9 | 13 | 13 | 11 | 17 | 15 |
Moonrise | — | — | 9:40 | — | — | 10:55 | — | — | — | 12:08 | — | — | 1:14 | — | — | 2:09 | — | — | 2:51 | — | — | 3:22 | — | — | 3:46 | — | — | 4:05 | — | — | 4:22 | — | — | 4:38 | — | — |
Moonset | 6:08 | — | — | 6:29 | — | — | 6:56 | — | — | 7:34 | — | — | 8:25 | — | — | 9:31 | — | — | 10:48 | — | — | 12:11 | — | — | 1:35 | — | — | — | 3:00 | — | — | 4:24 | — | — | 5:48 | — |
 | 6:03 | — | — | 6:01 | — | — | 6:00 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:50 | — | — | 5:50 | — | — | 5:48 | — | — | 5:46 | — | — | 5:45 | — | — |
 | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — | 8:23 | — | — | 8:24 | — | — | 8:25 | — | — | 8:28 | — | — | 8:29 | — | — | 8:30 | — | — | 8:31 | — | — | 8:34 | — |
Today's sea temperature in Roche Harbor, San Juan Island is 9.2 °C (Statistics for 24 Apr 1981-2005 – mean: 10.4 max: 11.9 min: 9.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest