Knappa Tide Chart Calendar for July 2025
Knappa Tide Table (Columbia River) for July 2025
View tide tables in a column-row format below, with a "diff" column to spot large tide height swings—great for anglers. Scroll down for a textual format, ideal for reading or sharing.
- | diff | Tides | diff | Tides | diff | Tides | diff | Tides | diff | Sun | Moon | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
7/1 | N/A | L | 2'1" | 1:34AM | 4'6" | H | 6'8" | 6:41AM | 6'0" | L | 0'7" | 1:43PM | 6'10" | H | 7'5" | 7:50PM | 5'6" | 05:27-21:09 | 12:31-00:20 |
7/2 | 5'6" | L | 1'11" | 2:33AM | 4'1" | H | 6'0" | 7:44AM | 4'10" | L | 1'2" | 2:24PM | 6'3" | H | 7'6" | 8:31PM | 5'10" | 05:27-21:09 | 13:36-00:35 |
7/3 | 5'10" | L | 1'7" | 3:36AM | 3'11" | H | 5'7" | 8:55AM | 3'9" | L | 1'9" | 3:09PM | 5'9" | H | 7'7" | 9:12PM | 6'4" | 05:28-21:08 | 14:42-00:50 |
7/4 | 6'4" | L | 1'2" | 4:39AM | 4'2" | H | 5'5" | 10:09AM | 3'1" | L | 2'3" | 4:00PM | 5'4" | H | 7'8" | 9:55PM | 6'11" | 05:28-21:08 | 15:48-01:06 |
7/5 | 6'11" | L | 0'8" | 5:39AM | 4'9" | H | 5'5" | 11:19AM | 2'9" | L | 2'7" | 4:54PM | 5'1" | H | 7'9" | 10:37PM | 7'6" | 05:29-21:08 | 16:56-01:26 |
7/6 | 7'6" | L | 0'3" | 6:32AM | 5'5" | H | 5'8" | 12:21PM | 2'9" | L | 2'10" | 5:49PM | 4'11" | H | 7'10" | 11:21PM | 8'0" | 05:30-21:07 | 18:04-01:49 |
7/7 | 8'0" | L | -0'1" | 7:21AM | 6'1" | H | 5'11" | 1:15PM | 2'11" | L | 3'0" | 6:42PM | 4'11" | - | - | - | - | 05:31-21:07 | 19:09-02:20 |
7/8 | 4'11" | H | 8'0" | 12:04AM | 8'5" | L | -0'5" | 8:05AM | 6'7" | H | 6'2" | 2:04PM | 3'2" | L | 3'0" | 7:32PM | 5'1" | 05:31-21:06 | 20:09-02:59 |
7/9 | 5'1" | H | 8'1" | 12:47AM | 8'9" | L | -0'7" | 8:47AM | 7'1" | H | 6'5" | 2:47PM | 3'5" | L | 2'11" | 8:19PM | 5'3" | 05:32-21:06 | 21:00-03:50 |
7/10 | 5'3" | H | 8'3" | 1:29AM | 9'0" | L | -0'9" | 9:26AM | 7'5" | H | 6'7" | 3:28PM | 3'9" | L | 2'10" | 9:04PM | 5'6" | 05:33-21:05 | 21:40-04:52 |
7/11 | 5'6" | H | 8'4" | 2:12AM | 9'3" | L | -0'10" | 10:03AM | 7'8" | H | 6'9" | 4:06PM | 4'1" | L | 2'8" | 9:48PM | 5'8" | 05:34-21:04 | 22:12-06:03 |
7/12 | 5'8" | H | 8'4" | 2:55AM | 9'3" | L | -0'11" | 10:38AM | 7'10" | H | 6'11" | 4:41PM | 4'6" | L | 2'5" | 10:31PM | 5'10" | 05:35-21:04 | 22:37-07:18 |
7/13 | 5'10" | H | 8'3" | 3:39AM | 9'2" | L | -0'10" | 11:11AM | 8'0" | H | 7'2" | 5:15PM | 5'0" | L | 2'1" | 11:16PM | 5'11" | 05:36-21:03 | 22:58-08:35 |
7/14 | 5'11" | H | 8'1" | 4:25AM | 8'8" | L | -0'7" | 11:45AM | 8'1" | H | 7'5" | 5:49PM | 5'7" | - | - | - | - | 05:37-21:02 | 23:17-09:51 |
7/15 | 5'7" | L | 1'10" | 12:04AM | 5'9" | H | 7'7" | 5:15AM | 7'11" | L | -0'3" | 12:21PM | 8'0" | H | 7'9" | 6:23PM | 6'2" | 05:38-21:02 | 23:34-11:07 |
7/16 | 6'2" | L | 1'6" | 12:56AM | 5'6" | H | 7'0" | 6:10AM | 6'9" | L | 0'3" | 12:59PM | 7'9" | H | 8'0" | 7:02PM | 6'9" | 05:39-21:01 | 23:52-12:23 |
7/17 | 6'9" | L | 1'2" | 1:56AM | 5'2" | H | 6'4" | 7:17AM | 5'5" | L | 0'10" | 1:42PM | 7'4" | H | 8'2" | 7:44PM | 7'5" | 05:40-21:00 | 00:00-13:41 |
7/18 | 7'5" | L | 0'9" | 3:03AM | 4'11" | H | 5'9" | 8:35AM | 4'2" | L | 1'6" | 2:33PM | 6'10" | H | 8'4" | 8:34PM | 8'0" | 05:41-20:59 | 00:12-15:02 |
7/19 | 8'0" | L | 0'4" | 4:15AM | 5'1" | H | 5'6" | 10:00AM | 3'4" | L | 2'1" | 3:33PM | 6'4" | H | 8'6" | 9:29PM | 8'7" | 05:42-20:58 | 00:37-16:25 |
7/20 | 8'7" | L | -0'1" | 5:27AM | 5'8" | H | 5'7" | 11:20AM | 3'0" | L | 2'6" | 4:42PM | 6'0" | H | 8'7" | 10:28PM | 9'3" | 05:43-20:57 | 01:09-17:47 |
7/21 | 9'3" | L | -0'7" | 6:33AM | 6'6" | H | 5'10" | 12:30PM | 3'2" | L | 2'8" | 5:53PM | 5'11" | H | 8'8" | 11:29PM | 9'9" | 05:44-20:56 | 01:52-19:01 |
7/22 | 9'9" | L | -1'0" | 7:32AM | 7'3" | H | 6'3" | 1:30PM | 3'7" | L | 2'8" | 7:00PM | 6'1" | - | - | - | - | 05:45-20:55 | 02:49-20:02 |
7/23 | 6'1" | H | 8'9" | 12:28AM | 10'0" | L | -1'3" | 8:26AM | 7'11" | H | 6'7" | 2:23PM | 4'1" | L | 2'5" | 8:01PM | 6'3" | 05:46-20:54 | 03:59-20:48 |
7/24 | 6'3" | H | 8'9" | 1:24AM | 10'1" | L | -1'4" | 9:14AM | 8'3" | H | 6'11" | 3:10PM | 4'8" | L | 2'2" | 8:57PM | 2'3" | 05:47-20:53 | 05:16-21:21 |
7/25 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/26 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/27 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/28 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/29 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/30 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | 3'3" | 00:00-13:11 | 00:00-13:11 |
7/31 | 0'0" | L | 4'6" | 1:23AM | 0'0" | H | 5'7" | 2:34AM | 0'0" | L | 6'8" | 3:45PM | 0'0" | H | 7'9" | 4:56PM | N/A | 00:00-13:11 | 00:00-13:11 |
Textual Tide Details
Jul 2nd (Wed)
Jul 3rd (Thu)
Jul 4th (Fri)
Jul 5th (Sat)
Jul 6th (Sun)
Jul 7th (Mon)
Jul 8th (Tue)
Jul 9th (Wed)
Jul 10th (Thu)
Jul 11th (Fri)
Jul 12th (Sat)
Jul 13th (Sun)
Jul 14th (Mon)
Jul 15th (Tue)
Jul 16th (Wed)
Jul 17th (Thu)
Jul 18th (Fri)
Jul 19th (Sat)
Jul 20th (Sun)
Jul 21st (Mon)
Jul 22nd (Tue)
Jul 23rd (Wed)
Jul 24th (Thu)
Jul 25th (Fri)
Jul 26th (Sat)
Jul 27th (Sun)
Jul 28th (Mon)
Jul 29th (Tue)
Jul 30th (Wed)
Jul 31st (Thu)
NOAA Marine Advisory and Weather for Knappa
Dense Fog Advisory
Dense Fog Advisory issued July 14 at 2:01AM PDT until July 14 at 2:00PM PDT by NWS Portland OR
* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...In the Main Channel of the Columbia River Bar.
* WHEN...Until 2 PM PDT this afternoon.
* IMPACTS...Low visibility will make navigation difficult.
Effective: July 14, 2025, 9:01 AM
Expires: July 14, 2025, 9:00 PM
Marine Forecast (PZZ210)
PZZ210-142330-
Columbia River Bar-
201 AM PDT Mon Jul 14 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON...
.IN THE MAIN CHANNEL...
.GENERAL SEAS...5 to 7 ft through Tuesday morning.
.FIRST EBB...Strong ebb current of 5.63 kt at 729 AM Monday. Seas
6 ft.
.SECOND EBB...Ebb current of 3.98 kt at 816 PM Monday. Seas 5 to 6
ft.
.THIRD EBB...Ebb current of 5.16 kt at 811 AM Tuesday. Seas 6 ft.
Land Forecast (ORZ101)
TONIGHT: Mostly cloudy this morning, then becoming partly sunny. Highs in the mid 60s. Northwest wind 10 to 15 mph.
TUESDAY: Mostly cloudy. Lows in the lower 50s. Northwest wind 5 to 10 mph.
TUESDAY NIGHT: Mostly sunny. Highs in the lower 80s. North wind 5 to 10 mph.
WEDNESDAY: Mostly clear. Lows in the mid 50s. North wind 5 to 10 mph.
WEDNESDAY NIGHT: Sunny. Highs in the upper 70s. North wind 5 to 10 mph.
THURSDAY: Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 50s.
THURSDAY NIGHT: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s.
FRIDAY: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
FRIDAY NIGHT: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the upper 60s.
SATURDAY: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
SATURDAY NIGHT: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 60s.
SUNDAY: Mostly cloudy. Lows in the mid 50s.
Last updated: July 14, 2025, 10:00 AM