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 SummaryLight rain (total 2mm), mostly falling on Fri night. Cool air temperatures (max 12°C on Sat morning, min 4°C on Sun night). Mainly fresh winds. | Days 5–7 Weather SummaryHeavy rain (total 82mm), heaviest during Wed morning. Cool air temperatures (max 10°C on Wed afternoon, min 3°C on Mon night). Mainly fresh winds. | Days 8–10 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Mild temperatures (max 5°C on Thu night, min 2°C on Fri night). Wind will be generally light. | Days 11–13 Weather SummaryHeavy rain (total 48mm), heaviest during Tue afternoon. Very mild (max 10°C on Tue morning, min 4°C on Sun night). Winds decreasing (fresh winds from the SE on Sun night, light winds from the S by Tue afternoon). | ||||||||||||||||||||||||||||||||||||||||||||
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 | Saturday 21 | Sun 22 | ||||||||||||||||||||||||||||||||
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 | 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 | 6:14PM2.09m | 5:42AM2.37m | ||||||||||||||||||||
Low Tide | 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 | 11:42PM0.93m | 12:23PM-0.06m | ||||||||||||||||||
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light rain | some clouds | some clouds | rain shwrs | clear | clear | some clouds | some clouds | some clouds | rain shwrs | cloudy | cloudy | mod rain | heavy rain | heavy rain | light rain | cloudy | some clouds | some clouds | rain shwrs | some clouds | some clouds | some clouds | clear | cloudy | cloudy | light rain | heavy rain | mod rain | light rain | mod rain | light rain | heavy rain | some clouds | cloudy | clear | some clouds | rain shwrs | cloudy | rain shwrs | some clouds | clear | clear | clear | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
1 | — | — | 1 | — | — | — | — | — | 2 | — | — | 8 | 34 | 34 | 4 | — | — | — | 1 | — | — | — | — | — | — | 1 | 16 | 8 | 2 | 6 | 4 | 12 | — | — | — | — | 1 | — | 2 | — | — | — | — | — | — | — | |
max°C | 9 | 12 | 12 | 10 | 8 | 7 | 5 | 6 | 6 | 4 | 6 | 5 | 5 | 6 | 10 | 7 | 6 | 6 | 5 | 4 | 5 | 4 | 4 | 5 | 5 | 2 | 2 | 6 | 7 | 8 | 9 | 10 | 10 | 10 | 8 | 8 | 6 | 7 | 8 | 6 | 7 | 7 | 5 | 5 | 7 | 6 | 4 |
Moonrise | 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 | — | — | 8:24 |
Moonset | — | 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 | — | — | 11:36 | — |
 | — | 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 | — | — | 6:09 |
 | — | — | 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 | — | — | 6:27 | — | — |
Today's sea temperature in Roche Harbor, San Juan Island is 8.6° C (Statistics for 06 Mar 1981-2005 – mean: 8.2 max: 9.9 min: 7.2°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest