Tides Today & Tomorrow in Upright Head, Lopez Island, WA

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Upright Head, Lopez Island, WA.
Next low tide : in 1h 18m at 2:34 pm (3.3 ft)
Next high tide : 9:02 pm (7.6 ft)
Sunset today : 8:44 pm
Sunrise tomorrow : 5:50 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9449911
Common Questions About Tides

Upright Head, Lopez Island, WA Tides - May 2088

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:257.53:305.49:161.88:233.35:498:27Waxing Gibbous1Sat
2Sun2:547.34:366.09:520.99:193.95:478:29Waxing Gibbous2Sun
3Mon3:187.25:326.510:250.310:104.45:468:30Full Moon3Mon
4Tue3:387.16:206.910:56-0.210:584.85:448:32Full Moon4Tue
5Wed3:586.97:057.211:26-0.611:435.25:428:33Full Moon5Wed
6Thu4:196.87:497.411:56-0.85:418:34Full Moon6Thu
7Fri4:446.78:337.512:275.512:27-0.85:398:36Waning Gibbous7Fri
8Sat5:116.59:187.51:145.71:00-0.75:388:37Waning Gibbous8Sat
9Sun5:396.310:037.52:095.81:35-0.55:368:39Waning Gibbous9Sun
10Mon6:066.010:477.53:175.72:13-0.25:358:40Waning Gibbous10Mon
11Tue11:287.42:520.25:348:41Waning Gibbous11Tue
12Wed3:350.75:328:43Third Quarter12Wed
13Thu12:037.44:201.35:318:44Third Quarter13Thu
14Fri12:327.410:39 AM4.27:353.85:122.05:308:45Third Quarter14Fri
15Sat12:547.31:114.37:592.96:102.75:288:47Waning Crescent15Sat
16Sun1:157.42:545.08:271.97:153.55:278:48Waning Crescent16Sun
17Mon1:397.44:075.89:000.78:204.25:268:49Waning Crescent17Mon
18Tue2:087.55:096.79:37-0.49:234.85:258:51Waning Crescent18Tue
19Wed2:417.66:047.410:17-1.410:245.45:248:52New Moon19Wed
20Thu3:177.76:558.011:00-2.211:245.85:238:53New Moon20Thu
21Fri3:577.77:468.411:44-2.75:218:54New Moon21Fri
22Sat4:407.58:378.612:256.012:29-2.75:208:55Waxing Crescent22Sat
23Sun5:277.29:278.71:306.01:16-2.45:198:57Waxing Crescent23Sun
24Mon6:166.710:158.62:465.82:05-1.85:198:58Waxing Crescent24Mon
25Tue7:125.911:008.44:045.32:53-0.85:188:59First Quarter25Tue
26Wed8:265.111:428.25:204.63:420.35:179:00First Quarter26Wed
27Thu10:254.46:293.64:311.55:169:01First Quarter27Thu
28Fri12:208.012:544.37:252.65:222.75:159:02First Quarter28Fri
29Sat12:547.82:314.88:111.66:203.75:149:03Waxing Gibbous29Sat
30Sun1:227.73:485.48:510.77:264.65:149:04Waxing Gibbous30Sun
31Mon1:467.54:516.19:270.08:325.25:139:05Waxing Gibbous31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9449911)

Common Questions About Upright Head, Lopez Island, WA Tides

Show All
What time does the tide turn (slack tide) in Upright Head, Lopez Island, WA today?

Slack tide in Upright Head, Lopez Island, WA is approximately 5:48 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 Upright Head, Lopez Island, WA?

Upright Head, Lopez Island, WA is currently in a transitional phase. Tonight's moon is 64% 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 Upright Head, 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 Upright Head, Lopez Island, WA?

Tide predictions for Upright Head, 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 Upright Head, Lopez Island, WA?

Tide data for Upright Head, Lopez Island, WA is sourced from NOAA Station #9449911. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9449911.

What is the moon phase in Upright Head, Lopez Island, WA tonight?

Tonight the moon over Upright Head, Lopez Island, WA is Third Quarter (64% illuminated). This places Upright Head, 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