Mercer 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 07:50 AM and sunset is at 04:16 PM.
Days 1–3 Weather SummaryHeavy rain (total 45mm), heaviest during Tue night. Cool air temperatures (max 15°C on Mon morning, min 6°C on Tue night). Winds decreasing (fresh winds from the SSW on Mon morning, calm by Wed night). | Days 4–6 Weather SummaryModerate rain (total 11mm), heaviest on Thu morning. Cool air temperatures (max 10°C on Thu afternoon, min 4°C on Thu night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 11mm), heaviest on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Mon night). Wind will be generally light. | Days 10–12 Weather SummaryHeavy rain (total 33mm), heaviest during Fri night. Very mild (max 10°C on Sat morning, min 3°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 11:13AM3.04m | 3:56AM2.69m | 11:34AM3.02m | 4:29AM2.88m | 11:59AM3.02m | 5:02AM3.01m | 12:30PM3.04m | 5:36AM3.10m | 1:04PM3.06m | 6:13AM3.14m | 1:39PM3.07m | 6:49AM3.16m | 2:12PM3.06m | 7:24AM3.17m | 2:43PM3.00m | 7:54AM3.18m | 3:14PM2.88m | 8:18AM3.18m | 3:51PM2.69m | 8:37AM3.17m | 4:51PM2.42m | 8:54AM3.17m | 6:43PM2.13m | |||||||||||||
Low Tide | 7:27PM0.74m | 7:57PM0.55m | 7:42AM2.76m | 8:29PM0.40m | 8:41AM2.83m | 9:03PM0.29m | 9:28AM2.87m | 9:39PM0.21m | 10:10AM2.90m | 10:15PM0.18m | 10:52AM2.91m | 10:50PM0.19m | 11:41AM2.89m | 11:23PM0.26m | 12:41PM2.81m | 11:55PM0.40m | 1:53PM2.66m | 00:25AM0.61m | 3:07PM2.40m | 00:54AM0.90m | 4:01PM2.06m | 1:25AM1.26m | ||||||||||||||
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 |  |  | | | |  | |  |  | | |  | |  | | | | | |  |  | | | | | | | | | | |  | | |  | |
mod rain | rain shwrs | rain shwrs | mod rain | mod rain | rain shwrs | some clouds | some clouds | light rain | light rain | light rain | light rain | cloudy | rain shwrs | some clouds | cloudy | cloudy | light rain | light rain | mod rain | clear | clear | some clouds | clear | clear | some clouds | light rain | light rain | rain shwrs | light rain | mod rain | light rain | cloudy | light rain | cloudy | heavy rain | |
km/h | ||||||||||||||||||||||||||||||||||||
8 | 2 | 1 | 6 | 7 | 20 | — | — | 1 | 4 | 1 | 3 | — | 1 | — | — | — | 2 | 2 | 7 | — | — | — | — | — | — | 2 | 1 | 2 | 1 | 6 | 5 | — | 2 | — | 12 | |
max°C | 15 | 13 | 9 | 11 | 12 | 12 | 8 | 8 | 7 | 6 | 10 | 9 | 7 | 6 | 5 | 6 | 5 | 6 | 5 | 3 | 2 | 3 | 3 | 0 | 3 | 2 | 2 | 4 | 8 | 6 | 6 | 6 | 6 | 5 | 7 | 8 |
Moonrise | 3:48 | — | — | 4:56 | — | — | 6:04 | — | — | 7:10 | — | — | 8:09 | — | — | 8:59 | — | — | 9:39 | — | — | 10:10 | — | — | 10:35 | — | — | 10:55 | — | — | 11:12 | — | — | 11:28 | — | — |
Moonset | 1:25 | — | — | 1:47 | — | — | 2:15 | — | — | 2:51 | — | — | — | 3:38 | — | — | 4:36 | — | — | 5:43 | — | — | 6:54 | — | — | 8:07 | — | — | — | 9:20 | — | — | 10:33 | — | — | 11:48 |
 | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — | 7:52 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:54 | — | — | 7:56 | — | — |
 | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — |
Today's sea temperature in Mercer Island is 11.0° C (Statistics for 15 Dec 1981-2005 – mean: 8.7 max: 10.0 min: 7.2°C) | ||||||||||||||||||||||||||||||||||||
Nearest