🌊 Tide Gauge
Columbia Slough at Portland or
Timezone
America/Los_Angeles
Tidal Datum
Mean Lower Low Water
MSL height
0.215 m (MSL)
Data Source
TICON-4
📅 30-Day Tide Forecasts
MON
20
July 20, 2026 (Lunar: Month 6 Day 7)
▲High Tide
11:09
0.28m
▼Low Tide
06:55
0.02m
18:07
-0.10m
➔
TUE
21
July 21, 2026 (Lunar: Month 6 Day 8)
▲High Tide
00:19
0.47m
12:01
0.16m
▼Low Tide
07:57
-0.02m
18:17
-0.11m
➔
WED
22
July 22, 2026 (Lunar: Month 6 Day 9)
▲High Tide
01:12
0.44m
13:06
0.07m
▼Low Tide
09:10
-0.07m
18:23
-0.10m
➔
THU
23
July 23, 2026 (Lunar: Month 6 Day 10)
▲High Tide
02:05
0.42m
14:27
0.03m
▼Low Tide
10:26
-0.11m
18:40
-0.07m
➔
FRI
24
July 24, 2026 (Lunar: Month 6 Day 11)
▲High Tide
02:57
0.42m
15:52
0.04m
▼Low Tide
11:27
-0.13m
19:07
-0.01m
➔
SAT
25
July 25, 2026 (Lunar: Month 6 Day 12)
▲High Tide
03:46
0.45m
17:06
0.10m
▼Low Tide
12:14
-0.14m
19:47
0.07m
➔
SUN
26
July 26, 2026 (Lunar: Month 6 Day 13)
▲High Tide
04:33
0.49m
18:02
0.18m
▼Low Tide
12:53
-0.11m
20:53
0.16m
➔
MON
27
July 27, 2026 (Lunar: Month 6 Day 14)
▲High Tide
05:17
0.55m
18:42
0.27m
▼Low Tide
13:29
-0.07m
➔
TUE
28
July 28, 2026 (Lunar: Month 6 Day 15)
▲High Tide
05:58
0.61m
19:12
0.36m
▼Low Tide
00:43
0.21m
14:03
-0.04m
➔
WED
29
July 29, 2026 (Lunar: Month 6 Day 16)
▲High Tide
06:37
0.65m
19:39
0.44m
▼Low Tide
01:35
0.23m
14:35
-0.01m
➔
THU
30
July 30, 2026 (Lunar: Month 6 Day 17)
▲High Tide
07:14
0.67m
20:08
0.50m
▼Low Tide
02:20
0.23m
15:07
0.01m
➔
FRI
31
July 31, 2026 (Lunar: Month 6 Day 18)
▲High Tide
07:51
0.67m
20:41
0.53m
▼Low Tide
03:04
0.22m
15:38
0.00m
➔
SAT
01
August 01, 2026 (Lunar: Month 6 Day 19)
▲High Tide
08:28
0.62m
21:16
0.55m
▼Low Tide
03:46
0.18m
16:07
-0.03m
➔
SUN
02
August 02, 2026 (Lunar: Month 6 Day 20)
▲High Tide
09:06
0.55m
21:55
0.55m
▼Low Tide
04:30
0.13m
16:35
-0.06m
➔
MON
03
August 03, 2026 (Lunar: Month 6 Day 21)
▲High Tide
09:47
0.43m
22:35
0.54m
▼Low Tide
05:17
0.05m
16:58
-0.08m
➔
TUE
04
August 04, 2026 (Lunar: Month 6 Day 22)
▲High Tide
10:30
0.31m
23:22
0.51m
▼Low Tide
06:08
-0.01m
17:17
-0.11m
➔
WED
05
August 05, 2026 (Lunar: Month 6 Day 23)
▲High Tide
11:18
0.18m
▼Low Tide
07:08
-0.05m
17:27
-0.13m
➔
THU
06
August 06, 2026 (Lunar: Month 6 Day 24)
▲High Tide
00:15
0.49m
12:18
0.08m
▼Low Tide
08:25
-0.09m
17:31
-0.12m
➔
FRI
07
August 07, 2026 (Lunar: Month 6 Day 25)
▲High Tide
01:17
0.47m
13:36
0.02m
▼Low Tide
09:54
-0.12m
17:45
-0.09m
➔
SAT
08
August 08, 2026 (Lunar: Month 6 Day 26)
▲High Tide
02:23
0.48m
15:05
0.03m
▼Low Tide
11:08
-0.15m
18:20
-0.03m
➔
SUN
09
August 09, 2026 (Lunar: Month 6 Day 27)
▲High Tide
03:30
0.51m
16:26
0.11m
21:33
0.08m
▼Low Tide
12:05
-0.16m
19:21
0.07m
23:05
0.08m
➔
MON
10
August 10, 2026 (Lunar: Month 6 Day 28)
▲High Tide
04:32
0.56m
17:30
0.23m
▼Low Tide
12:53
-0.15m
➔
TUE
11
August 11, 2026 (Lunar: Month 6 Day 29)
▲High Tide
05:28
0.61m
18:23
0.35m
▼Low Tide
00:28
0.10m
13:36
-0.11m
➔
WED
12
August 12, 2026 (Lunar: Month 6 Day 30)
▲High Tide
06:18
0.65m
19:10
0.47m
▼Low Tide
01:28
0.11m
14:17
-0.07m
➔
THU
13
August 13, 2026 (Lunar: Month 7 Day 1)
▲High Tide
07:04
0.67m
19:55
0.57m
▼Low Tide
02:22
0.13m
14:55
-0.04m
➔
FRI
14
August 14, 2026 (Lunar: Month 7 Day 2)
▲High Tide
07:47
0.65m
20:38
0.63m
▼Low Tide
03:12
0.14m
15:31
-0.02m
➔
SAT
15
August 15, 2026 (Lunar: Month 7 Day 3)
▲High Tide
08:27
0.60m
21:20
0.65m
▼Low Tide
04:00
0.14m
16:04
-0.02m
➔
SUN
16
August 16, 2026 (Lunar: Month 7 Day 4)
▲High Tide
09:06
0.52m
22:02
0.63m
▼Low Tide
04:47
0.12m
16:32
-0.02m
➔
MON
17
August 17, 2026 (Lunar: Month 7 Day 5)
▲High Tide
09:45
0.41m
22:45
0.58m
▼Low Tide
05:35
0.10m
16:54
-0.04m
➔
TUE
18
August 18, 2026 (Lunar: Month 7 Day 6)
▲High Tide
10:25
0.28m
23:30
0.51m
▼Low Tide
06:25
0.06m
17:06
-0.05m
➔