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 07:26 AM and sunset is at 05:27 PM.
Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Fri afternoon. Cool air temperatures (max 10°C on Thu afternoon, min 5°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Low air temperatures (max 6°C on Sat morning, min 4°C on Sat night). Wind will be generally light. | Days 7–9 Weather SummaryLight rain (total 5mm), mostly falling on Tue night. Mild temperatures (max 9°C on Wed morning, min 6°C on Wed night). Winds increasing (calm on Tue morning, strong winds from the SE by Thu night). | Days 10–12 Weather SummaryModerate rain (total 10mm), heaviest on Sat night. Mild temperatures (max 9°C on Sat afternoon, min 6°C on Sun night). Winds decreasing (strong winds from the SE on Fri morning, light winds from the SE by Sat afternoon). | ||||||||||||||||||||||||||||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | ||||||||||||||||||||||||||||||||
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 | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 9:46AM2.19m | 3:51AM2.32m | 10:31AM2.14m | 4:20AM2.40m | 11:41AM2.11m | 4:45AM2.42m | 12:57PM2.09m | 5:06AM2.43m | 2:03PM2.08m | 5:25AM2.42m | 3:01PM2.08m | 5:44AM2.43m | 3:56PM2.05m | 6:03AM2.44m | 4:51PM2.01m | 6:24AM2.45m | 5:50PM1.96m | 6:46AM2.47m | 6:54PM1.91m | 7:09AM2.48m | 8:07PM1.87m | 7:33AM2.50m | 9:35PM1.86m | 7:58AM2.50m | 11:30PM1.95m | 8:27AM2.48m | 1:33AM2.15m | 9:04AM2.44m | |||||||||||||||||||
Low Tide | 6:50PM0.12m | 8:24AM2.10m | 7:42PM0.03m | 9:23AM2.05m | 8:28PM-0.06m | 9:57AM1.97m | 9:10PM-0.14m | 10:21AM1.86m | 9:47PM-0.19m | 10:44AM1.70m | 10:22PM-0.18m | 11:11AM1.49m | 10:56PM-0.09m | 11:42AM1.25m | 11:29PM0.09m | 12:19PM0.97m | 00:03AM0.37m | 12:59PM0.68m | 00:38AM0.71m | 1:44PM0.41m | 1:15AM1.10m | 2:35PM0.20m | 1:54AM1.49m | 3:32PM0.03m | 2:42AM1.84m | 4:35PM-0.08m | 4:11AM2.11m | ||||||||||||||||||||
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clear | some clouds | some clouds | some clouds | some clouds | light rain | cloudy | light rain | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | light rain | some clouds | cloudy | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | light rain | cloudy | rain shwrs | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | light rain | rain shwrs | cloudy | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 1 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | — | 4 | — | — | 4 | 1 | 1 | 3 | 1 | 2 | 2 | — | — | |
max°C | 6 | 7 | 7 | 8 | 10 | 9 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 5 | 4 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 8 | 7 | 8 | 7 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 8 | 7 | 7 | 6 | 6 | 7 | 6 | 5 | 6 |
Moonrise | 4:01 | — | — | 4:58 | — | — | 5:45 | — | — | 6:22 | — | — | 6:50 | — | — | 7:12 | — | — | 7:30 | — | — | 7:46 | — | — | 8:01 | — | — | 8:16 | — | — | 8:33 | — | — | 8:54 | — | — | 9:22 | — | — | 10:00 | — | — | 10:52 | — | — | 12:00 | — |
Moonset | 11:20 | — | — | 12:10 | — | — | 1:11 | — | — | 2:21 | — | — | — | 3:36 | — | — | 4:53 | — | — | 6:10 | — | — | 7:27 | — | — | 8:46 | — | — | — | 10:05 | — | — | 11:28 | — | — | — | 12:52 | — | — | 2:16 | — | — | 3:32 | — | — | 4:34 | — |
 | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — |
 | — | 5:27 | — | — | 5:29 | — | — | 5:30 | — | — | 5:31 | — | — | 5:34 | — | — | 5:35 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:50 | — | — | 5:51 |
Today's sea temperature in Roche Harbor, San Juan Island is 8.6° C (Statistics for 11 Feb 1981-2005 – mean: 7.7 max: 9.3 min: 5.8°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest