Knappa Tides August 2024 | Tide Charts & Tables | Columbia River, OR

Knappa Tide Chart for (Thu) August 1, 2024

Knappa tide chart for Thursday, August 1, 2024
Knappa tides for Aug 1st, the sunrise is 5:57am-8:43pm and the tide times are L 7:22am -0'9" H 1:16pm 6'2" L 6:51pm 2'7" .

Knappa Tide Chart for (Fri) August 2, 2024

Knappa tide chart for Friday, August 2, 2024
Knappa tides for Aug 2nd, the sunrise is 5:58am-8:42pm and the tide times are H 12:17am 8'2" L 8:12am -0'11" H 2:06pm 6'6" L 7:48pm 2'5" .

Knappa Tide Chart for (Sat) August 3, 2024

Knappa tide chart for Saturday, August 3, 2024
Knappa tides for Aug 3rd, the sunrise is 5:59am-8:40pm and the tide times are H 1:09am 8'2" L 8:56am -0'11" H 2:49pm 6'9" L 8:39pm 2'3" .

Knappa Tide Chart for (Sun) August 4, 2024

Knappa tide chart for Sunday, August 4, 2024
Knappa tides for Aug 4th, the sunrise is 6:00am-8:39pm and the tide times are H 1:56am 8'1" L 9:35am -0'10" H 3:28pm 6'11" L 9:25pm 2'0" .

Knappa Tide Chart for (Mon) August 5, 2024

Knappa tide chart for Monday, August 5, 2024
Knappa tides for Aug 5th, the sunrise is 6:01am-8:37pm and the tide times are H 2:40am 7'11" L 10:11am -0'9" H 4:02pm 7'0" L 10:07pm 1'10" .

Knappa Tide Chart for (Tue) August 6, 2024

Knappa tide chart for Tuesday, August 6, 2024
Knappa tides for Aug 6th, the sunrise is 6:03am-8:36pm and the tide times are H 3:21am 7'9" L 10:42am -0'5" H 4:34pm 7'1" L 10:48pm 1'8" .

Knappa Tide Chart for (Wed) August 7, 2024

Knappa tide chart for Wednesday, August 7, 2024
Knappa tides for Aug 7th, the sunrise is 6:04am-8:34pm and the tide times are H 4:00am 7'6" L 11:11am -0'1" H 5:02pm 7'2" L 11:26pm 1'6" .

Knappa Tide Chart for (Thu) August 8, 2024

Knappa tide chart for Thursday, August 8, 2024
Knappa tides for Aug 8th, the sunrise is 6:05am-8:33pm and the tide times are H 4:40am 7'1" L 11:37am 0'2" H 5:27pm 7'3" .

Knappa Tide Chart for (Fri) August 9, 2024

Knappa tide chart for Friday, August 9, 2024
Knappa tides for Aug 9th, the sunrise is 6:06am-8:31pm and the tide times are L 12:05am 1'4" H 5:21am 6'8" L 12:04pm 0'8" H 5:53pm 7'4" .

Knappa Tide Chart for (Sat) August 10, 2024

Knappa tide chart for Saturday, August 10, 2024
Knappa tides for Aug 10th, the sunrise is 6:08am-8:30pm and the tide times are L 12:46am 1'3" H 6:08am 6'1" L 12:31pm 1'2" H 6:20pm 7'4" .

Knappa Tide Chart for (Sun) August 11, 2024

Knappa tide chart for Sunday, August 11, 2024
Knappa tides for Aug 11th, the sunrise is 6:09am-8:28pm and the tide times are L 1:31am 1'1" H 7:03am 5'6" L 1:04pm 1'8" H 6:52pm 7'4" .

Knappa Tide Chart for (Mon) August 12, 2024

Knappa tide chart for Monday, August 12, 2024
Knappa tides for Aug 12th, the sunrise is 6:10am-8:26pm and the tide times are L 2:26am 1'0" H 8:14am 5'1" L 1:45pm 2'3" H 7:33pm 7'4" .

Knappa Tide Chart for (Tue) August 13, 2024

Knappa tide chart for Tuesday, August 13, 2024
Knappa tides for Aug 13th, the sunrise is 6:11am-8:25pm and the tide times are L 3:32am 0'11" H 9:37am 4'11" L 2:41pm 2'9" H 8:26pm 7'3" .

Knappa Tide Chart for (Wed) August 14, 2024

Knappa tide chart for Wednesday, August 14, 2024
Knappa tides for Aug 14th, the sunrise is 6:13am-8:23pm and the tide times are L 4:46am 0'7" H 10:57am 5'0" L 3:56pm 3'0" H 9:31pm 7'4" .

Knappa Tide Chart for (Thu) August 15, 2024

Knappa tide chart for Thursday, August 15, 2024
Knappa tides for Aug 15th, the sunrise is 6:14am-8:21pm and the tide times are L 5:55am 0'2" H 12:04pm 5'5" L 5:15pm 3'1" H 10:40pm 7'6" .

Knappa Tide Chart for (Fri) August 16, 2024

Knappa tide chart for Friday, August 16, 2024
Knappa tides for Aug 16th, the sunrise is 6:15am-8:20pm and the tide times are L 6:53am -0'3" H 12:58pm 5'10" L 6:24pm 2'10" H 11:44pm 7'10" .

Knappa Tide Chart for (Sat) August 17, 2024

Knappa tide chart for Saturday, August 17, 2024
Knappa tides for Aug 17th, the sunrise is 6:16am-8:18pm and the tide times are L 7:43am -0'8" H 1:43pm 6'4" L 7:23pm 2'5" .

Knappa Tide Chart for (Sun) August 18, 2024

Knappa tide chart for Sunday, August 18, 2024
Knappa tides for Aug 18th, the sunrise is 6:18am-8:17pm and the tide times are H 12:42am 8'3" L 8:28am -1'1" H 2:24pm 6'9" L 8:17pm 1'11" .

Knappa Tide Chart for (Mon) August 19, 2024

Knappa tide chart for Monday, August 19, 2024
Knappa tides for Aug 19th, the sunrise is 6:19am-8:15pm and the tide times are H 1:37am 8'6" L 9:09am -1'3" H 3:02pm 7'2" L 9:07pm 1'5" .

Knappa Tide Chart for (Tue) August 20, 2024

Knappa tide chart for Tuesday, August 20, 2024
Knappa tides for Aug 20th, the sunrise is 6:20am-8:13pm and the tide times are H 2:29am 8'8" L 9:49am -1'3" H 3:39pm 7'8" L 9:56pm 0'10" .

Knappa Tide Chart for (Wed) August 21, 2024

Knappa tide chart for Wednesday, August 21, 2024
Knappa tides for Aug 21st, the sunrise is 6:21am-8:11pm and the tide times are H 3:20am 8'7" L 10:27am -1'0" H 4:14pm 8'0" L 10:46pm 0'4" .

Knappa Tide Chart for (Thu) August 22, 2024

Knappa tide chart for Thursday, August 22, 2024
Knappa tides for Aug 22nd, the sunrise is 6:23am-8:10pm and the tide times are H 4:12am 8'2" L 11:04am -0'7" H 4:50pm 8'4" L 11:36pm 0'0" .

Knappa Tide Chart for (Fri) August 23, 2024

Knappa tide chart for Friday, August 23, 2024
Knappa tides for Aug 23rd, the sunrise is 6:24am-8:08pm and the tide times are H 5:05am 7'7" L 11:42am -0'0" H 5:26pm 8'6" .

Knappa Tide Chart for (Sat) August 24, 2024

Knappa tide chart for Saturday, August 24, 2024
Knappa tides for Aug 24th, the sunrise is 6:25am-8:06pm and the tide times are L 12:28am -0'1" H 6:03am 6'11" L 12:22pm 0'8" H 6:06pm 8'6" .

Knappa Tide Chart for (Sun) August 25, 2024

Knappa tide chart for Sunday, August 25, 2024
Knappa tides for Aug 25th, the sunrise is 6:26am-8:04pm and the tide times are L 1:26am -0'2" H 7:07am 6'2" L 1:07pm 1'4" H 6:50pm 8'4" .

Knappa Tide Chart for (Mon) August 26, 2024

Knappa tide chart for Monday, August 26, 2024
Knappa tides for Aug 26th, the sunrise is 6:28am-8:02pm and the tide times are L 2:30am -0'1" H 8:22am 5'7" L 2:01pm 2'1" H 7:44pm 7'11" .

Knappa Tide Chart for (Tue) August 27, 2024

Knappa tide chart for Tuesday, August 27, 2024
Knappa tides for Aug 27th, the sunrise is 6:29am-8:01pm and the tide times are L 3:44am -0'0" H 9:43am 5'4" L 3:09pm 2'7" H 8:49pm 7'7" .

Knappa Tide Chart for (Wed) August 28, 2024

Knappa tide chart for Wednesday, August 28, 2024
Knappa tides for Aug 28th, the sunrise is 6:30am-7:59pm and the tide times are L 5:00am -0'1" H 11:02am 5'6" L 4:28pm 2'9" H 10:02pm 7'5" .

Knappa Tide Chart for (Thu) August 29, 2024

Knappa tide chart for Thursday, August 29, 2024
Knappa tides for Aug 29th, the sunrise is 6:31am-7:57pm and the tide times are L 6:08am -0'3" H 12:07pm 5'11" L 5:44pm 2'8" H 11:11pm 7'5" .

Knappa Tide Chart for (Fri) August 30, 2024

Knappa tide chart for Friday, August 30, 2024
Knappa tides for Aug 30th, the sunrise is 6:33am-7:55pm and the tide times are L 7:05am -0'5" H 12:58pm 6'4" L 6:48pm 2'4" .

Knappa Tide Chart for (Sat) August 31, 2024

Knappa tide chart for Saturday, August 31, 2024
Knappa tides for Aug 31st, the sunrise is 6:34am-7:53pm and the tide times are H 12:11am 7'6" L 7:52am -0'7" H 1:41pm 6'8" L 7:41pm 1'11" .

Knappa Tide Calendar | August 2024

Sun Mon Tue Wed Thu Fri Sat
 
Knappa tide chart for Thursday, August 1, 2024
Knappa tide chart for Friday, August 2, 2024
Knappa tide chart for Saturday, August 3, 2024
Knappa tide chart for Sunday, August 4, 2024
Knappa tide chart for Monday, August 5, 2024
Knappa tide chart for Tuesday, August 6, 2024
Knappa tide chart for Wednesday, August 7, 2024
Knappa tide chart for Thursday, August 8, 2024
Knappa tide chart for Friday, August 9, 2024
Knappa tide chart for Saturday, August 10, 2024
Knappa tide chart for Sunday, August 11, 2024
Knappa tide chart for Monday, August 12, 2024
Knappa tide chart for Tuesday, August 13, 2024
Knappa tide chart for Wednesday, August 14, 2024
Knappa tide chart for Thursday, August 15, 2024
Knappa tide chart for Friday, August 16, 2024
Knappa tide chart for Saturday, August 17, 2024
Knappa tide chart for Sunday, August 18, 2024
Knappa tide chart for Monday, August 19, 2024
Knappa tide chart for Tuesday, August 20, 2024
Knappa tide chart for Wednesday, August 21, 2024
Knappa tide chart for Thursday, August 22, 2024
Knappa tide chart for Friday, August 23, 2024
Knappa tide chart for Saturday, August 24, 2024
Knappa tide chart for Sunday, August 25, 2024
Knappa tide chart for Monday, August 26, 2024
Knappa tide chart for Tuesday, August 27, 2024
Knappa tide chart for Wednesday, August 28, 2024
Knappa tide chart for Thursday, August 29, 2024
Knappa tide chart for Friday, August 30, 2024
Knappa tide chart for Saturday, August 31, 2024

Restricted days available with membership — details below


Knappa Tide Table for August 2024

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
8/1 N/A L -0'9" 7:22AM 6'11" H 6'2" 1:16PM 3'6" L 2'7" 6:51PM 5'6" - - - - 05:57-20:43 02:31-19:39
8/2 5'6" H 8'2" 12:17AM 9'1" L -0'11" 8:12AM 7'5" H 6'6" 2:06PM 4'0" L 2'5" 7:48PM 5'8" 05:58-20:42 03:34-20:20
8/3 5'8" H 8'2" 1:09AM 9'1" L -0'11" 8:56AM 7'8" H 6'9" 2:49PM 4'5" L 2'3" 8:39PM 5'10" 05:59-20:40 04:44-20:51
8/4 5'10" H 8'1" 1:56AM 9'0" L -0'10" 9:35AM 7'10" H 6'11" 3:28PM 4'10" L 2'0" 9:25PM 5'11" 06:00-20:39 05:56-21:15
8/5 5'11" H 7'11" 2:40AM 8'8" L -0'9" 10:11AM 7'9" H 7'0" 4:02PM 5'1" L 1'10" 10:07PM 5'11" 06:01-20:37 07:06-21:34
8/6 5'11" H 7'9" 3:21AM 8'3" L -0'5" 10:42AM 7'7" H 7'1" 4:34PM 5'5" L 1'8" 10:48PM 5'9" 06:03-20:36 08:14-21:50
8/7 5'9" H 7'6" 4:00AM 7'8" L -0'1" 11:11AM 7'4" H 7'2" 5:02PM 5'7" L 1'6" 11:26PM 5'7" 06:04-20:34 09:19-22:05
8/8 5'7" H 7'1" 4:40AM 6'10" L 0'2" 11:37AM 7'0" H 7'3" 5:27PM 5'10" - - - - 06:05-20:33 10:24-22:19
8/9 5'10" L 1'4" 12:05AM 5'3" H 6'8" 5:21AM 5'11" L 0'8" 12:04PM 6'7" H 7'4" 5:53PM 6'1" 06:06-20:31 11:27-22:34
8/10 6'1" L 1'3" 12:46AM 4'10" H 6'1" 6:08AM 4'11" L 1'2" 12:31PM 6'2" H 7'4" 6:20PM 6'2" 06:08-20:30 12:33-22:51
8/11 6'2" L 1'1" 1:31AM 4'4" H 5'6" 7:03AM 3'10" L 1'8" 1:04PM 5'7" H 7'4" 6:52PM 6'3" 06:09-20:28 13:40-23:11
8/12 6'3" L 1'0" 2:26AM 4'0" H 5'1" 8:14AM 2'9" L 2'3" 1:45PM 5'0" H 7'4" 7:33PM 6'5" 06:10-20:26 14:50-23:36
8/13 6'5" L 0'11" 3:32AM 4'0" H 4'11" 9:37AM 2'1" L 2'9" 2:41PM 4'6" H 7'3" 8:26PM 6'8" 06:11-20:25 16:01-00:00
8/14 6'8" L 0'7" 4:46AM 4'5" H 5'0" 10:57AM 1'11" L 3'0" 3:56PM 4'3" H 7'4" 9:31PM 7'1" 06:13-20:23 17:10-00:09
8/15 7'1" L 0'2" 5:55AM 5'2" H 5'5" 12:04PM 2'3" L 3'1" 5:15PM 4'5" H 7'6" 10:40PM 7'10" 06:14-20:21 18:12-00:54
8/16 7'10" L -0'3" 6:53AM 6'2" H 5'10" 12:58PM 3'0" L 2'10" 6:24PM 5 H 7'10" 11:44PM 8'7" 06:15-20:20 19:03-01:54
8/17 8'7" L -0'8" 7:43AM 7'1" H 6'4" 1:43PM 3'10" L 2'5" 7:23PM 5'9" - - - - 06:16-20:18 19:44-03:07
8/18 5'9" H 8'3" 12:42AM 9'4" L -1'1" 8:28AM 7'10" H 6'9" 2:24PM 4'9" L 1'11" 8:17PM 6'6" 06:18-20:17 20:15-04:29
8/19 6'6" H 8'6" 1:37AM 9'10" L -1'3" 9:09AM 8'6" H 7'2" 3:02PM 5'9" L 1'5" 9:07PM 7'3" 06:19-20:15 20:39-05:55
8/20 7'3" H 8'8" 2:29AM 9'11" L -1'3" 9:49AM 8'11" H 7'8" 3:39PM 6'9" L 0'10" 9:56PM 7'8" 06:20-20:13 21:00-07:20
8/21 7'8" H 8'7" 3:20AM 9'7" L -1'0" 10:27AM 9'1" H 8'0" 4:14PM 7'8" L 0'4" 10:46PM 7'9" 06:21-20:11 21:19-08:45
8/22 7'9" H 8'2" 4:12AM 8'9" L -0'7" 11:04AM 8'11" H 8'4" 4:50PM 8'4" L 0'0" 11:36PM 7'7" 06:23-20:10 21:39-10:08
8/23 7'7" H 7'7" 5:05AM 7'7" L -0'0" 11:42AM 8'6" H 8'6" 5:26PM 8'8" - - - - 06:24-20:08 22:00-11:30
8/24 8'8" L -0'1" 12:28AM 7'1" H 6'11" 6:03AM 6'3" L 0'8" 12:22PM 7'10" H 8'6" 6:06PM 8'8" 06:25-20:06 22:24-12:53
8/25 8'8" L -0'2" 1:26AM 6'4" H 6'2" 7:07AM 4'9" L 1'4" 1:07PM 6'11" H 8'4" 6:50PM 8'5" 06:26-20:04 22:55-14:14
8/26 8'5" L -0'1" 2:30AM 5'8" H 5'7" 8:22AM 3'6" L 2'1" 2:01PM 5'10" H 7'11" 7:44PM 8'0" 06:28-20:02 23:35-15:32
8/27 8'0" L -0'0" 3:44AM 5'5" H 5'4" 9:43AM 2'9" L 2'7" 3:09PM 5'0" H 7'7" 8:49PM 7'8" 06:29-20:01 00:00-16:41
8/28 7'8" L -0'1" 5:00AM 5'8" H 5'6" 11:02AM 2'9" L 2'9" 4:28PM 4'7" H 7'5" 10:02PM 7'8" 06:30-19:59 00:25-17:38
8/29 7'8" L -0'3" 6:08AM 6'2" H 5'11" 12:07PM 3'3" L 2'8" 5:44PM 4'8" H 7'5" 11:11PM 7'10" 06:31-19:57 01:26-18:22
8/30 7'10" L -0'5" 7:05AM 6'10" H 6'4" 12:58PM 4'0" L 2'4" 6:48PM 5'2" - - - - 06:33-19:55 02:34-18:55
8/31 5'2" H 7'6" 12:11AM 8'1" L -0'7" 7:52AM 7'4" H 6'8" 1:41PM 4'9" L 1'11" 7:41PM N/A 06:34-19:53 03:44-19:20

Knappa Textual Tide Table for August 2024


Aug 1st (Thu)
the sunrise is 5:57am-8:43pm and the tide times are L 7:22am -0'9" H 1:16pm 6'2" L 6:51pm 2'7" .
Aug 2nd (Fri)
the sunrise is 5:58am-8:42pm and the tide times are H 12:17am 8'2" L 8:12am -0'11" H 2:06pm 6'6" L 7:48pm 2'5" .
Aug 3rd (Sat)
the sunrise is 5:59am-8:40pm and the tide times are H 1:09am 8'2" L 8:56am -0'11" H 2:49pm 6'9" L 8:39pm 2'3" .
Aug 4th (Sun)
the sunrise is 6:00am-8:39pm and the tide times are H 1:56am 8'1" L 9:35am -0'10" H 3:28pm 6'11" L 9:25pm 2'0" .
Aug 5th (Mon)
the sunrise is 6:01am-8:37pm and the tide times are H 2:40am 7'11" L 10:11am -0'9" H 4:02pm 7'0" L 10:07pm 1'10" .
Aug 6th (Tue)
the sunrise is 6:03am-8:36pm and the tide times are H 3:21am 7'9" L 10:42am -0'5" H 4:34pm 7'1" L 10:48pm 1'8" .
Aug 7th (Wed)
the sunrise is 6:04am-8:34pm and the tide times are H 4:00am 7'6" L 11:11am -0'1" H 5:02pm 7'2" L 11:26pm 1'6" .
Aug 8th (Thu)
the sunrise is 6:05am-8:33pm and the tide times are H 4:40am 7'1" L 11:37am 0'2" H 5:27pm 7'3" .
Aug 9th (Fri)
the sunrise is 6:06am-8:31pm and the tide times are L 12:05am 1'4" H 5:21am 6'8" L 12:04pm 0'8" H 5:53pm 7'4" .
Aug 10th (Sat)
the sunrise is 6:08am-8:30pm and the tide times are L 12:46am 1'3" H 6:08am 6'1" L 12:31pm 1'2" H 6:20pm 7'4" .
Aug 11th (Sun)
the sunrise is 6:09am-8:28pm and the tide times are L 1:31am 1'1" H 7:03am 5'6" L 1:04pm 1'8" H 6:52pm 7'4" .
Aug 12th (Mon)
the sunrise is 6:10am-8:26pm and the tide times are L 2:26am 1'0" H 8:14am 5'1" L 1:45pm 2'3" H 7:33pm 7'4" .
Aug 13th (Tue)
the sunrise is 6:11am-8:25pm and the tide times are L 3:32am 0'11" H 9:37am 4'11" L 2:41pm 2'9" H 8:26pm 7'3" .
Aug 14th (Wed)
the sunrise is 6:13am-8:23pm and the tide times are L 4:46am 0'7" H 10:57am 5'0" L 3:56pm 3'0" H 9:31pm 7'4" .
Aug 15th (Thu)
the sunrise is 6:14am-8:21pm and the tide times are L 5:55am 0'2" H 12:04pm 5'5" L 5:15pm 3'1" H 10:40pm 7'6" .
Aug 16th (Fri)
the sunrise is 6:15am-8:20pm and the tide times are L 6:53am -0'3" H 12:58pm 5'10" L 6:24pm 2'10" H 11:44pm 7'10" .
Aug 17th (Sat)
the sunrise is 6:16am-8:18pm and the tide times are L 7:43am -0'8" H 1:43pm 6'4" L 7:23pm 2'5" .
Aug 18th (Sun)
the sunrise is 6:18am-8:17pm and the tide times are H 12:42am 8'3" L 8:28am -1'1" H 2:24pm 6'9" L 8:17pm 1'11" .
Aug 19th (Mon)
the sunrise is 6:19am-8:15pm and the tide times are H 1:37am 8'6" L 9:09am -1'3" H 3:02pm 7'2" L 9:07pm 1'5" .
Aug 20th (Tue)
the sunrise is 6:20am-8:13pm and the tide times are H 2:29am 8'8" L 9:49am -1'3" H 3:39pm 7'8" L 9:56pm 0'10" .
Aug 21st (Wed)
the sunrise is 6:21am-8:11pm and the tide times are H 3:20am 8'7" L 10:27am -1'0" H 4:14pm 8'0" L 10:46pm 0'4" .
Aug 22nd (Thu)
the sunrise is 6:23am-8:10pm and the tide times are H 4:12am 8'2" L 11:04am -0'7" H 4:50pm 8'4" L 11:36pm 0'0" .
Aug 23rd (Fri)
the sunrise is 6:24am-8:08pm and the tide times are H 5:05am 7'7" L 11:42am -0'0" H 5:26pm 8'6" .
Aug 24th (Sat)
the sunrise is 6:25am-8:06pm and the tide times are L 12:28am -0'1" H 6:03am 6'11" L 12:22pm 0'8" H 6:06pm 8'6" .
Aug 25th (Sun)
the sunrise is 6:26am-8:04pm and the tide times are L 1:26am -0'2" H 7:07am 6'2" L 1:07pm 1'4" H 6:50pm 8'4" .
Aug 26th (Mon)
the sunrise is 6:28am-8:02pm and the tide times are L 2:30am -0'1" H 8:22am 5'7" L 2:01pm 2'1" H 7:44pm 7'11" .
Aug 27th (Tue)
the sunrise is 6:29am-8:01pm and the tide times are L 3:44am -0'0" H 9:43am 5'4" L 3:09pm 2'7" H 8:49pm 7'7" .
Aug 28th (Wed)
the sunrise is 6:30am-7:59pm and the tide times are L 5:00am -0'1" H 11:02am 5'6" L 4:28pm 2'9" H 10:02pm 7'5" .
Aug 29th (Thu)
the sunrise is 6:31am-7:57pm and the tide times are L 6:08am -0'3" H 12:07pm 5'11" L 5:44pm 2'8" H 11:11pm 7'5" .
Aug 30th (Fri)
the sunrise is 6:33am-7:55pm and the tide times are L 7:05am -0'5" H 12:58pm 6'4" L 6:48pm 2'4" .
Aug 31st (Sat)
the sunrise is 6:34am-7:53pm and the tide times are H 12:11am 7'6" L 7:52am -0'7" H 1:41pm 6'8" L 7:41pm 1'11" .

Oregon Tides Map

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NOAA/NWS Forecast for Knappa | Heat Advisory

Last updated: June 13, 2026, 12:06 AM

Heat Advisory

Heat Advisory issued June 12 at 9:36PM PDT until June 14 at 11:00PM PDT by NWS Portland OR

* WHAT...Temperatures 83 to 88 degrees F expected.

* WHERE...South Washington and North and Central Oregon Coast.

* WHEN...From 11 AM to 11 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...Easterly winds will bring in warmer air to
the coast on Sunday causing temperatures to rise. Moderate
HeatRisk expected.

Effective: June 13, 2026, 4:36 AM

Expires: June 13, 2026, 7:00 PM

Marine Forecast (PZZ210)

PZZ210-131500-
Columbia River Bar-
108 PM PDT Fri Jun 12 2026

.IN THE MAIN CHANNEL...

.GENERAL SEAS...4 to 5 ft subsiding to 4 ft Saturday afternoon.

.FIRST EBB...Ebb current of 3.04 kt at 309 PM Friday. Seas 4 to 5
ft.

.SECOND EBB...Very strong ebb current of 6.67 kt at 332 AM
Saturday. Seas 7 ft.

.THIRD EBB...Ebb current of 3.2 kt at 406 PM Saturday. Seas 4 ft.

$$

Land Forecast (ORZ101)

OVERNIGHT: Mostly clear. Lows around 50. Winds light.

SATURDAY: Sunny. Highs in the lower 80s. Winds light, rising to north 10 to 15 mph in the afternoon.

SATURDAY NIGHT: Mostly clear. Lows in the lower 60s. North wind 5 to 10 mph, becoming light after midnight.

SUNDAY: Sunny. Highs in the upper 80s. Northeast wind 5 to 10 mph.

SUNDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. North wind 5 to 10 mph.

MONDAY: Mostly sunny. Highs in the lower 80s.

MONDAY NIGHT: Partly cloudy in the evening, then clearing. Lows in the mid 50s.

TUESDAY: Mostly sunny. Highs in the upper 60s.

TUESDAY NIGHT: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

WEDNESDAY: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 60s.

WEDNESDAY NIGHT: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

THURSDAY: Mostly sunny. Highs in the upper 60s.

THURSDAY NIGHT: Partly cloudy. Lows in the lower 50s.

JUNETEENTH: Partly sunny. Highs in the upper 60s.

Last updated: June 13, 2026, 12:06 AM

ODFW

Oregon Department of Fish and Wildlife with current fishing regulations seasons bag size limits and area specific rules

Oregon State Parks

Oregon State Parks and beaches with coastal camping, reservations, beach access, and tidepooling opportunities

Columbia River Lower Section Boating Overview (Other)

Overview of lower Columbia River boating near Knappa including nearby access points, sloughs, and channels for fishing, small boat launches, and river exploration. Tidal influences and river flows are key for safe navigation and launches; good for planning trips with tide charts and awareness of currents in the Astoria/Knappa region. Check Oregon State Marine Board for updates on facilities and regulations.

Knappa Slough Columbia River Shore Access (Other)

Informal shore and slough access near Knappa on the lower Columbia River for small boats, kayaks, and fishing from shore or hand carry launches. Connects to main Columbia channels with opportunities for salmon fishing, crabbing, and tidal river travel. Strong tides and currents require caution for safe access and navigation; check Marine Board or local conditions for updates.

Lower Columbia River Boating Guide Oregon Marine Board (Other)

Oregon State Marine Board guide to the lower Columbia River including areas near Knappa and Knappa Slough with details on ramps, navigation, hazards, moorages, and facilities for recreational boating in the tidal lower river section. Useful for planning launches from nearby access points with notes on tides, currents, shoals, and safe travel in the Astoria vicinity.