TidalMap

Upright Head, Lopez Island Tide Times

Washington · Station 9449911 · Updated Sep 19, 2026

Upright Head, Lopez Island runs a mean tidal range of about 4.5 ft. This month the highest water, 7.8 ft, comes on the afternoon of Sep 8, and the lowest, a -1.3 ft minus tide, on the morning of Sep 7.

Nearest gauge measuring live water level: Friday Harbor, San Juan Island (9449880), about 6 mi away, high and low tides here run on average about 12 min earlier.

Predictedno live gauge

Next low tide 0.5 ft at 5:14 AM

Predicted

Today's tides
Low tide	4:18 AM	0.4 ft
High tide	1:34 PM	6.7 ft
Low tide	4:22 PM	6.4 ft
High tide	7:39 PM	6.5 ft

Monthly tide calendar

Flood & low finder Flood tide ≥ ft Low tide ≤ ft

🌊 Biggest flood tides at Upright Head, Lopez Island this month: Sep 3, Sep 6, Sep 7, Sep 8, Sep 9, Sep 10, Sep 11. These spring highs push water up into the grass and over the oyster rock; prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at Upright Head, Lopez Island this month: Sep 3, Sep 4, Sep 5, Sep 6, Sep 7, Sep 8, Sep 9, Sep 29, Sep 30. These drain the flats and expose the oyster rock, prime for sight-fishing and clamming.

September 2026

Sun

Mon

Tue

Wed

Thu

Fri

Sat

1L:1.2H:5.9L:3.9H:7.3

2L:0.5H:5.9L:5.0H:7.4

3🌗L:-0.2H:6.3L:5.9H:7.5

4🌗L:-0.7H:6.8L:6.6H:7.5

5🌗L:-1.0H:7.3L:7.0H:7.3

6🌗L:-1.2H:7.7L:6.8H:7.0

7L:-1.3H:7.8L:6.2

8H:6.8L:-1.1H:7.8L:5.3

9H:6.7L:-0.7H:7.8L:4.3

10H:6.6L:0.0H:7.7L:3.3

11🌑H:6.6L:0.9H:7.5

12🌑L:2.4H:6.5L:1.9H:7.3

13🌑L:1.5H:6.5L:3.0H:7.2

14L:0.9H:6.4L:3.9H:7.0

15L:0.6H:6.3L:4.8H:6.9

16L:0.4H:6.3L:5.5H:6.8

17L:0.3H:6.4L:6.0H:6.7

18🌓L:0.4H:6.7L:6.4H:6.5

19🌓L:0.5H:6.9

20🌓L:0.5H:7.1

21🌓L:0.5H:7.2L:5.6H:5.8

22L:0.6H:7.2L:5.1

23H:5.7L:0.7H:7.3L:4.4

24H:5.8L:1.0H:7.2L:3.5

25🌕H:6.0L:1.5H:7.2L:2.6

26🌕H:6.3L:2.1H:7.1L:1.6

27🌕H:6.6L:3.0H:7.2

28🌕L:0.6H:6.8L:3.9H:7.2

29L:-0.2H:7.0L:4.8H:7.3

30L:-0.8H:7.2L:5.7H:7.4

Best fishing times (solunar)

Major and minor solunar windows for Upright Head, Lopez Island, peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

Day	Major windows	Minor windows	Score
Today 🌓	6:15–8:15 PM 6:40–8:40 AM	2:35–4:35 PM 9:56–11:56 PM	41
Sat Sep 19 🌓	7:05–9:05 PM 7:30–9:30 AM	3:18–5:18 PM 10:56–12:56 AM	43
Sun Sep 20 🌓	7:54–9:54 PM 8:19–10:19 AM	3:52–5:52 PM —	56
Mon Sep 21 🌓	8:41–10:41 PM 9:06–11:06 AM	4:18–6:18 PM 12:03–2:03 AM	68
Tue Sep 22 🌔	9:27–11:27 PM 9:52–11:52 AM	4:39–6:39 PM 1:13–3:13 AM	79
Wed Sep 23 🌔	10:11–12:11 AM 10:36–12:36 PM	4:56–6:56 PM 2:25–4:25 AM	87
Thu Sep 24 🌔	10:54–12:54 AM 11:19–1:19 PM	5:12–7:12 PM 3:37–5:37 AM	93

Predictions & observations: NOAA CO-OPS station 9449911. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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