Tides Today & Tomorrow in Aleck Bay, Lopez Island, WA

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Aleck Bay, Lopez Island, WA.
Next low tide (tomorrow) : 2:47 am (1.1 ft)
Next high tide : in 1h 30m at 7:57 pm (7.3 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 6:08 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9449994
Common Questions About Tides

Aleck Bay, Lopez Island, WA Tides - Apr 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:416.44:195.84:36-0.56:487:42First Quarter1Sun
2Mon1:227.09:55 AM6.16:005.85:44-0.46:467:43First Quarter2Mon
3Tue2:147.211:27 AM6.07:225.46:50-0.36:447:45Waxing Gibbous3Tue
4Wed2:557.412:576.08:144.77:50-0.26:427:46Waxing Gibbous4Wed
5Thu3:297.62:206.28:563.88:430.26:407:47Waxing Gibbous5Thu
6Fri3:597.63:336.49:362.89:320.76:377:49Full Moon6Fri
7Sat4:277.74:396.710:151.810:171.56:357:50Full Moon7Sat
8Sun4:537.65:396.910:560.911:022.36:337:52Full Moon8Sun
9Mon5:207.66:387.011:360.111:493.26:317:53Full Moon9Mon
10Tue5:477.47:387.012:18-0.36:297:55Waning Gibbous10Tue
11Wed6:167.18:427.012:394.01:01-0.66:277:56Waning Gibbous11Wed
12Thu6:466.89:527.01:364.71:45-0.56:257:58Waning Gibbous12Thu
13Fri7:186.411:077.02:465.32:33-0.26:237:59Third Quarter13Fri
14Sat7:545.94:175.53:260.26:228:01Third Quarter14Sat
15Sun12:187.18:43 AM5.56:365.44:250.76:208:02Third Quarter15Sun
16Mon1:177.19:54 AM5.17:545.05:291.16:188:04Third Quarter16Mon
17Tue2:047.211:20 AM5.08:324.56:331.46:168:05Waning Crescent17Tue
18Wed2:407.112:495.08:544.17:291.66:148:06Waning Crescent18Wed
19Thu3:067.12:075.29:103.58:161.86:128:08Waning Crescent19Thu
20Fri3:257.03:095.69:272.98:562.16:108:09Waning Crescent20Fri
21Sat3:407.04:025.99:482.29:332.56:088:11New Moon21Sat
22Sun3:577.04:516.310:131.310:103.06:068:12New Moon22Sun
23Mon4:187.15:396.610:410.510:473.66:058:14New Moon23Mon
24Tue4:437.16:286.911:14-0.211:274.26:038:15New Moon24Tue
25Wed5:107.07:207.111:51-0.96:018:17Waxing Crescent25Wed
26Thu5:376.98:177.212:114.812:32-1.35:598:18Waxing Crescent26Thu
27Fri6:056.89:207.31:025.31:17-1.55:578:20Waxing Crescent27Fri
28Sat6:346.510:287.32:035.72:08-1.45:568:21Waxing Crescent28Sat
29Sun7:086.211:357.43:215.83:05-1.15:548:22First Quarter29Sun
30Mon8:175.85:025.64:07-0.65:528:24First Quarter30Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9449994)

Common Questions About Aleck Bay, Lopez Island, WA Tides

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What time does the tide turn (slack tide) in Aleck Bay, Lopez Island, WA today?

Slack tide in Aleck Bay, Lopez Island, WA is approximately 11:22 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Aleck Bay, Lopez Island, WA?

Aleck Bay, Lopez Island, WA is currently in a transitional phase. Tonight's moon is 28% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Aleck Bay, Lopez Island, WA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Aleck Bay, Lopez Island, WA?

Tide predictions for Aleck Bay, Lopez Island, WA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Aleck Bay, Lopez Island, WA?

Tide data for Aleck Bay, Lopez Island, WA is sourced from NOAA Station #9449994. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9449994.

What is the moon phase in Aleck Bay, Lopez Island, WA tonight?

Tonight the moon over Aleck Bay, Lopez Island, WA is Waxing Crescent (28% illuminated). This places Aleck Bay, Lopez Island, WA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA