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 —.
Days 1–4 Weather SummaryHeavy rain (total 27mm), heaviest during Thu night. Cool air temperatures (max 12°C on Sat morning, min 6°C on Thu night). Winds increasing (light winds from the SSE on Fri night, fresh winds from the WSW by Sun afternoon). | Days 5–7 Weather SummaryModerate rain (total 11mm), heaviest on Tue night. Low air temperatures (max 7°C on Mon afternoon, min 3°C on Tue night). Mainly strong winds. | Days 8–10 Weather SummaryMild with moderate rain (total 14mm) on Sat afternoon. Becoming colder with a light covering of snow, mostly falling on Sat afternoon. Mild temperatures (max 6°C on Fri morning, min 2°C on Sat morning). Winds decreasing (strong winds from the SW on Thu afternoon, light winds from the S by Fri night). | Days 11–13 Weather SummaryMild with heavy rain (total 52mm), heaviest during Sat night. Becoming colder with a moderate fall of snow, heaviest on Mon night. Mild temperatures (max 6°C on Sun morning, min 2°C on Sat night). Winds decreasing (strong winds from the W on Sun morning, calm by Tue night). | ||||||||||||||||||||||||||||||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Sat 21 | ||||||||||||||||||||||||||||||||
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 | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 6:21AM2.33m | 7:18PM1.93m | 8:21PM1.90m | 9:37PM1.90m | 7:19AM2.17m | 11:22PM1.94m | 7:42AM2.11m | 1:20AM2.06m | 8:08AM2.05m | 2:21AM2.17m | 8:46AM1.98m | 2:58AM2.24m | 10:02AM1.91m | 3:25AM2.27m | 11:41AM1.86m | 3:46AM2.28m | 1:07PM1.87m | 4:03AM2.27m | 2:17PM1.90m | 4:21AM2.28m | 3:18PM1.94m | 4:38AM2.29m | 4:16PM2.00m | 4:58AM2.32m | 5:14PM2.05m | 5:19AM2.35m | |||||||||||||||||||||
Low Tide | 00:07AM0.74m | 12:52PM0.41m | 00:44AM1.05m | 1:30PM0.27m | 1:22AM1.35m | 2:11PM0.20m | 3:07AM1.62m | 2:58PM0.17m | 3:13AM1.84m | 3:52PM0.18m | 5:22AM1.97m | 4:54PM0.20m | 7:24AM1.96m | 6:00PM0.19m | 8:32AM1.88m | 7:01PM0.15m | 9:03AM1.78m | 7:53PM0.10m | 9:23AM1.63m | 8:37PM0.09m | 9:42AM1.43m | 9:16PM0.12m | 10:05AM1.17m | 9:52PM0.21m | 10:32AM0.87m | 10:28PM0.39m | 11:05AM0.53m | 11:04PM0.63m | 11:42AM0.21m | ||||||||||||||||||
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heavy rain | light rain | mod rain | light rain | clear | some clouds | rain shwrs | cloudy | cloudy | some clouds | some clouds | some clouds | cloudy | light rain | cloudy | mod rain | rain shwrs | clear | some clouds | rain shwrs | rain shwrs | some clouds | light rain | some clouds | light rain | light snow | light snow | rain shwrs | rain shwrs | clear | some clouds | cloudy | mod rain | mod snow | mod rain | light rain | light rain | light rain | light rain | mod rain | light rain | light rain | cloudy | some clouds | some clouds | rain shwrs | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
11 | 3 | 6 | 4 | — | — | 3 | — | — | — | — | — | — | 1 | — | 8 | 2 | — | — | 4 | 2 | — | 1 | — | 1 | — | 6 | 25 | 1 | — | — | — | 7 | 8 | 7 | 3 | 1 | 1 | 2 | 9 | 2 | 1 | — | — | — | 2 | — | |
max°C | 9 | 6 | 7 | 8 | 12 | 11 | 10 | 8 | 8 | 5 | 6 | 7 | 5 | 6 | 6 | 5 | 6 | 6 | 5 | 5 | 4 | 4 | 6 | 6 | 5 | 3 | 3 | 4 | 6 | 6 | 5 | 3 | 2 | 3 | 4 | 5 | 7 | 8 | 8 | 9 | 10 | 9 | 5 | 7 | 7 | 6 | 7 |
Moonrise | 9:06 | — | — | 10:17 | — | — | 11:29 | — | — | — | 1:40 | — | — | 2:47 | — | — | 3:48 | — | — | 4:39 | — | — | 5:19 | — | — | 5:51 | — | — | 6:15 | — | — | 6:34 | — | — | 6:51 | — | — | 7:06 | — | — | 7:22 | — | — | 7:39 | — | — | 7:59 |
Moonset | — | 7:37 | — | — | 7:54 | — | — | 9:14 | — | — | 9:41 | — | — | 10:15 | — | — | 11:00 | — | — | 11:56 | — | — | 1:02 | — | — | 2:14 | — | — | — | 3:30 | — | — | 4:47 | — | — | 6:05 | — | — | 7:24 | — | — | 8:45 | — | — | — | 10:09 | — |
 | — | 6:43 | — | — | 6:41 | — | — | 7:39 | — | — | 6:37 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:15 | — | — | 6:11 |
 | — | — | 6:04 | — | — | 6:05 | — | — | 7:07 | — | — | 6:08 | — | — | 6:09 | — | — | 6:12 | — | — | 6:13 | — | — | 6:15 | — | — | 6:15 | — | — | 6:17 | — | — | 6:19 | — | — | 6:21 | — | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — | — |
Today's sea temperature in Roche Harbor, San Juan Island is 8.5° C (Statistics for 05 Mar 1981-2005 – mean: 8.2 max: 9.9 min: 7.2°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest