Port Protection Tides November 2023 | Tide Charts & Tables | Prince of Wales Island, AK

Port Protection Tide Chart for (Wed) November 1, 2023

Port Protection tide chart for Wednesday, November 1, 2023
Port Protection tides for Nov 1st, the sunrise is 8:02am-5:12pm and the tide times are H 3:50am 11'5" L 9:09am 3'11" H 3:01pm 13'1" L 10:02pm -0'6" .

Port Protection Tide Chart for (Thu) November 2, 2023

Port Protection tide chart for Thursday, November 2, 2023
Port Protection tides for Nov 2nd, the sunrise is 8:04am-5:10pm and the tide times are H 4:42am 10'10" L 9:52am 4'7" H 3:41pm 12'3" L 10:51pm 0'3" .

Port Protection Tide Chart for (Fri) November 3, 2023

Port Protection tide chart for Friday, November 3, 2023
Port Protection tides for Nov 3rd, the sunrise is 8:06am-5:08pm and the tide times are H 5:41am 10'3" L 10:44am 5'2" H 4:27pm 11'4" L 11:47pm 1'1" .

Port Protection Tide Chart for (Sat) November 4, 2023

Port Protection tide chart for Saturday, November 4, 2023
Port Protection tides for Nov 4th, the sunrise is 8:08am-5:06pm and the tide times are H 6:52am 9'11" L 11:55am 5'6" H 5:27pm 10'6" .

Port Protection Tide Chart for (Sun) November 5, 2023

Port Protection tide chart for Sunday, November 5, 2023
Port Protection tides for Nov 5th, the sunrise is 7:10am-4:03pm and the tide times are L 12:53am 1'9" H 7:08am 9'11" L 12:32pm 5'5" H 5:50pm 9'10" .

Port Protection Tide Chart for (Mon) November 6, 2023

Port Protection tide chart for Monday, November 6, 2023
Port Protection tides for Nov 6th, the sunrise is 7:13am-4:01pm and the tide times are L 1:03am 2'1" H 8:10am 10'2" L 2:01pm 4'9" H 7:22pm 9'7" .

Port Protection Tide Chart for (Tue) November 7, 2023

Port Protection tide chart for Tuesday, November 7, 2023
Port Protection tides for Nov 7th, the sunrise is 7:15am-3:59pm and the tide times are L 2:05am 2'2" H 8:54am 10'8" L 3:02pm 3'10" H 8:37pm 9'9" .

Port Protection Tide Chart for (Wed) November 8, 2023

Port Protection tide chart for Wednesday, November 8, 2023
Port Protection tides for Nov 8th, the sunrise is 7:17am-3:57pm and the tide times are L 2:55am 2'2" H 9:28am 11'2" L 3:46pm 2'10" H 9:35pm 10'1" .

Port Protection Tide Chart for (Thu) November 9, 2023

Port Protection tide chart for Thursday, November 9, 2023
Port Protection tides for Nov 9th, the sunrise is 7:19am-3:55pm and the tide times are L 3:36am 2'3" H 9:56am 11'9" L 4:23pm 1'10" H 10:22pm 10'6" .

Port Protection Tide Chart for (Fri) November 10, 2023

Port Protection tide chart for Friday, November 10, 2023
Port Protection tides for Nov 10th, the sunrise is 7:21am-3:53pm and the tide times are L 4:11am 2'4" H 10:23am 12'3" L 4:57pm 0'10" H 11:05pm 10'11" .

Port Protection Tide Chart for (Sat) November 11, 2023

Port Protection tide chart for Saturday, November 11, 2023
Port Protection tides for Nov 11th, the sunrise is 7:24am-3:52pm and the tide times are L 4:45am 2'6" H 10:50am 12'10" L 5:30pm 0'1" H 11:45pm 11'3" .

Port Protection Tide Chart for (Sun) November 12, 2023

Port Protection tide chart for Sunday, November 12, 2023
Port Protection tides for Nov 12th, the sunrise is 7:26am-3:50pm and the tide times are L 5:18am 2'10" H 11:19am 13'3" L 6:03pm -0'6" .

Port Protection Tide Chart for (Mon) November 13, 2023

Port Protection tide chart for Monday, November 13, 2023
Port Protection tides for Nov 13th, the sunrise is 7:28am-3:48pm and the tide times are H 12:24am 11'5" L 5:51am 3'2" H 11:48am 13'7" L 6:38pm -1'0" .

Port Protection Tide Chart for (Tue) November 14, 2023

Port Protection tide chart for Tuesday, November 14, 2023
Port Protection tides for Nov 14th, the sunrise is 7:30am-3:46pm and the tide times are H 1:04am 11'6" L 6:25am 3'6" H 12:20pm 13'9" L 7:15pm -1'2" .

Port Protection Tide Chart for (Wed) November 15, 2023

Port Protection tide chart for Wednesday, November 15, 2023
Port Protection tides for Nov 15th, the sunrise is 7:32am-3:44pm and the tide times are H 1:46am 11'6" L 7:01am 3'10" H 12:55pm 13'9" L 7:56pm -1'2" .

Port Protection Tide Chart for (Thu) November 16, 2023

Port Protection tide chart for Thursday, November 16, 2023
Port Protection tides for Nov 16th, the sunrise is 7:34am-3:43pm and the tide times are H 2:31am 11'3" L 7:40am 4'3" H 1:34pm 13'6" L 8:41pm -0'11" .

Port Protection Tide Chart for (Fri) November 17, 2023

Port Protection tide chart for Friday, November 17, 2023
Port Protection tides for Nov 17th, the sunrise is 7:36am-3:41pm and the tide times are H 3:21am 10'11" L 8:26am 4'7" H 2:19pm 13'1" L 9:31pm -0'6" .

Port Protection Tide Chart for (Sat) November 18, 2023

Port Protection tide chart for Saturday, November 18, 2023
Port Protection tides for Nov 18th, the sunrise is 7:38am-3:39pm and the tide times are H 4:19am 10'8" L 9:23am 4'10" H 3:12pm 12'4" L 10:28pm -0'0" .

Port Protection Tide Chart for (Sun) November 19, 2023

Port Protection tide chart for Sunday, November 19, 2023
Port Protection tides for Nov 19th, the sunrise is 7:40am-3:38pm and the tide times are H 5:24am 10'7" L 10:38am 4'11" H 4:19pm 11'6" L 11:32pm 0'5" .

Port Protection Tide Chart for (Mon) November 20, 2023

Port Protection tide chart for Monday, November 20, 2023
Port Protection tides for Nov 20th, the sunrise is 7:42am-3:36pm and the tide times are H 6:30am 10'10" L 12:10pm 4'7" H 5:44pm 10'9" .

Port Protection Tide Chart for (Tue) November 21, 2023

Port Protection tide chart for Tuesday, November 21, 2023
Port Protection tides for Nov 21st, the sunrise is 7:44am-3:35pm and the tide times are L 12:38am 0'11" H 7:31am 11'5" L 1:37pm 3'7" H 7:16pm 10'5" .

Port Protection Tide Chart for (Wed) November 22, 2023

Port Protection tide chart for Wednesday, November 22, 2023
Port Protection tides for Nov 22nd, the sunrise is 7:46am-3:33pm and the tide times are L 1:42am 1'4" H 8:22am 12'1" L 2:47pm 2'3" H 8:39pm 10'7" .

Port Protection Tide Chart for (Thu) November 23, 2023

Port Protection tide chart for Thursday, November 23, 2023
Port Protection tides for Nov 23rd, the sunrise is 7:48am-3:32pm and the tide times are L 2:40am 1'8" H 9:07am 12'10" L 3:44pm 0'11" H 9:48pm 10'11" .

Port Protection Tide Chart for (Fri) November 24, 2023

Port Protection tide chart for Friday, November 24, 2023
Port Protection tides for Nov 24th, the sunrise is 7:50am-3:31pm and the tide times are L 3:32am 2'1" H 9:49am 13'6" L 4:33pm -0'3" H 10:47pm 11'4" .

Port Protection Tide Chart for (Sat) November 25, 2023

Port Protection tide chart for Saturday, November 25, 2023
Port Protection tides for Nov 25th, the sunrise is 7:52am-3:29pm and the tide times are L 4:20am 2'6" H 10:28am 14'0" L 5:18pm -1'1" H 11:39pm 11'8" .

Port Protection Tide Chart for (Sun) November 26, 2023

Port Protection tide chart for Sunday, November 26, 2023
Port Protection tides for Nov 26th, the sunrise is 7:54am-3:28pm and the tide times are L 5:05am 2'11" H 11:07am 14'3" L 5:59pm -1'8" .

Port Protection Tide Chart for (Mon) November 27, 2023

Port Protection tide chart for Monday, November 27, 2023
Port Protection tides for Nov 27th, the sunrise is 7:56am-3:27pm and the tide times are H 12:27am 11'10" L 5:48am 3'4" H 11:45am 14'4" L 6:40pm -1'9" .

Port Protection Tide Chart for (Tue) November 28, 2023

Port Protection tide chart for Tuesday, November 28, 2023
Port Protection tides for Nov 28th, the sunrise is 7:58am-3:26pm and the tide times are H 1:12am 11'10" L 6:30am 3'9" H 12:22pm 14'1" L 7:21pm -1'7" .

Port Protection Tide Chart for (Wed) November 29, 2023

Port Protection tide chart for Wednesday, November 29, 2023
Port Protection tides for Nov 29th, the sunrise is 7:59am-3:25pm and the tide times are H 1:56am 11'9" L 7:11am 4'1" H 1:00pm 13'8" L 8:01pm -1'1" .

Port Protection Tide Chart for (Thu) November 30, 2023

Port Protection tide chart for Thursday, November 30, 2023
Port Protection tides for Nov 30th, the sunrise is 8:01am-3:24pm and the tide times are H 2:39am 11'5" L 7:52am 4'5" H 1:38pm 13'1" L 8:42pm -0'6" .

Port Protection Tide Calendar | November 2023

Sun Mon Tue Wed Thu Fri Sat
 
 

Restricted days available with membership — details below


Port Protection Tide Table for November 2023

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
11/1 N/A H 11'5" 3:50AM 7'6" L 3'11" 9:09AM 9'2" H 13'1" 3:01PM 13'8" L -0'6" 10:02PM 11'4" 08:02-17:12 18:48-13:44
11/2 11'4" H 10'10" 4:42AM 6'2" L 4'7" 9:52AM 7'8" H 12'3" 3:41PM 12 L 0'3" 10:51PM 9'11" 08:04-17:10 19:51-14:35
11/3 9'11" H 10'3" 5:41AM 5'1" L 5'2" 10:44AM 6'2" H 11'4" 4:27PM 10'3" L 1'1" 11:47PM 8'9" 08:06-17:08 21:08-15:07
11/4 8'9" H 9'11" 6:52AM 4'5" L 5'6" 11:55AM 5'0" H 10'6" 5:27PM 8'9" - - - - 08:08-17:06 22:29-15:25
11/5 8'9" L 1'9" 12:53AM 8'2" H 9'11" 7:08AM 4'6" L 5'5" 12:32PM 4'5" H 9'10" 5:50PM 7'9" 07:10-16:03 22:51-14:37
11/6 7'9" L 2'1" 1:03AM 8'1" H 10'2" 8:10AM 5'5" L 4'9" 2:01PM 4'10" H 9'7" 7:22PM 7'5" 07:13-16:01 00:00-14:44
11/7 7'5" L 2'2" 2:05AM 8'5" H 10'8" 8:54AM 6'9" L 3'10" 3:02PM 5'11" H 9'9" 8:37PM 7'7" 07:15-15:59 00:10-14:50
11/8 7'7" L 2'2" 2:55AM 8'11" H 11'2" 9:28AM 8'3" L 2'10" 3:46PM 7'3" H 10'1" 9:35PM 7'10" 07:17-15:57 01:27-14:55
11/9 7'10" L 2'3" 3:36AM 9'6" H 11'9" 9:56AM 9'10" L 1'10" 4:23PM 8'8" H 10'6" 10:22PM 8'1" 07:19-15:55 02:44-14:59
11/10 8'1" L 2'4" 4:11AM 9'11" H 12'3" 10:23AM 11'5" L 0'10" 4:57PM 10'0" H 10'11" 11:05PM 8'4" 07:21-15:53 04:02-15:03
11/11 8'4" L 2'6" 4:45AM 10'3" H 12'10" 10:50AM 12'9" L 0'1" 5:30PM 11'2" H 11'3" 11:45PM 8'4" 07:24-15:52 05:23-15:09
11/12 8'4" L 2'10" 5:18AM 10'5" H 13'3" 11:19AM 13'10" L -0'6" 6:03PM 12'0" - - - - 07:26-15:50 06:48-15:17
11/13 12'0" H 11'5" 12:24AM 8'3" L 3'2" 5:51AM 10'5" H 13'7" 11:48AM 14'7" L -1'0" 6:38PM 12'7" 07:28-15:48 08:18-15:29
11/14 12'7" H 11'6" 1:04AM 8'0" L 3'6" 6:25AM 10'3" H 13'9" 12:20PM 15'0" L -1'2" 7:15PM 12'8" 07:30-15:46 09:50-15:49
11/15 12'8" H 11'6" 1:46AM 7'7" L 3'10" 7:01AM 9'10" H 13'9" 12:55PM 15'0" L -1'2" 7:56PM 12'5" 07:32-15:44 11:16-16:25
11/16 12'5" H 11'3" 2:31AM 7'0" L 4'3" 7:40AM 9'3" H 13'6" 1:34PM 14'6" L -0'11" 8:41PM 11'11" 07:34-15:43 12:23-17:25
11/17 11'11" H 10'11" 3:21AM 6'4" L 4'7" 8:26AM 8'5" H 13'1" 2:19PM 13'7" L -0'6" 9:31PM 11'3" 07:36-15:41 13:05-18:49
11/18 11'3" H 10'8" 4:19AM 5'9" L 4'10" 9:23AM 7'5" H 12'4" 3:12PM 12'4" L -0'0" 10:28PM 10'8" 07:38-15:39 13:29-20:25
11/19 10'8" H 10'7" 5:24AM 5'8" L 4'11" 10:38AM 6'6" H 11'6" 4:19PM 11'0" L 0'5" 11:32PM 10'5" 07:40-15:38 13:44-22:04
11/20 10'5" H 10'10" 6:30AM 6'3" L 4'7" 12:10PM 6'2" H 10'9" 5:44PM 9'10" - - - - 07:42-15:36 13:53-23:40
11/21 9'10" L 0'11" 12:38AM 10'5" H 11'5" 7:31AM 7'9" L 3'7" 1:37PM 6'10" H 10'5" 7:16PM 9'1" 07:44-15:35 14:00-00:00
11/22 9'1" L 1'4" 1:42AM 10'9" H 12'1" 8:22AM 9'10" L 2'3" 2:47PM 8'3" H 10'7" 8:39PM 8'10" 07:46-15:33 14:06-01:13
11/23 8'10" L 1'8" 2:40AM 11'2" H 12'10" 9:07AM 11'11" L 0'11" 3:44PM 9'11" H 10'11" 9:48PM 8'9" 07:48-15:32 14:12-02:45
11/24 8'9" L 2'1" 3:32AM 11'5" H 13'6" 9:49AM 13'9" L -0'3" 4:33PM 11'7" H 11'4" 10:47PM 8'9" 07:50-15:31 14:19-04:17
11/25 8'9" L 2'6" 4:20AM 11'6" H 14'0" 10:28AM 15'2" L -1'1" 5:18PM 12'9" H 11'8" 11:39PM 8'8" 07:52-15:29 14:28-05:51
11/26 8'8" L 2'11" 5:05AM 11'4" H 14'3" 11:07AM 16 L -1'8" 5:59PM 13'6" - - - - 07:54-15:28 14:41-07:27
11/27 13'6" H 11'10" 12:27AM 8'6" L 3'4" 5:48AM 10'11" H 14'4" 11:45AM 16'1" L -1'9" 6:40PM 13'8" 07:56-15:27 15:03-09:00
11/28 13'8" H 11'10" 1:12AM 8'1" L 3'9" 6:30AM 10'4" H 14'1" 12:22PM 15'8" L -1'7" 7:21PM 13'4" 07:58-15:26 15:38-10:23
11/29 13'4" H 11'9" 1:56AM 7'7" L 4'1" 7:11AM 9'6" H 13'8" 1:00PM 14'10" L -1'1" 8:01PM 12'7" 07:59-15:25 16:34-11:25
11/30 12'7" H 11'5" 2:39AM 6'11" L 4'5" 7:52AM 8'7" H 13'1" 1:38PM 13'7" L -0'6" 8:42PM N/A 08:01-15:24 17:47-12:05

Port Protection Textual Tide Table for November 2023


Nov 1st (Wed)
the sunrise is 8:02am-5:12pm and the tide times are H 3:50am 11'5" L 9:09am 3'11" H 3:01pm 13'1" L 10:02pm -0'6" .
Nov 2nd (Thu)
the sunrise is 8:04am-5:10pm and the tide times are H 4:42am 10'10" L 9:52am 4'7" H 3:41pm 12'3" L 10:51pm 0'3" .
Nov 3rd (Fri)
the sunrise is 8:06am-5:08pm and the tide times are H 5:41am 10'3" L 10:44am 5'2" H 4:27pm 11'4" L 11:47pm 1'1" .
Nov 4th (Sat)
the sunrise is 8:08am-5:06pm and the tide times are H 6:52am 9'11" L 11:55am 5'6" H 5:27pm 10'6" .
Nov 5th (Sun)
the sunrise is 7:10am-4:03pm and the tide times are L 12:53am 1'9" H 7:08am 9'11" L 12:32pm 5'5" H 5:50pm 9'10" .
Nov 6th (Mon)
the sunrise is 7:13am-4:01pm and the tide times are L 1:03am 2'1" H 8:10am 10'2" L 2:01pm 4'9" H 7:22pm 9'7" .
Nov 7th (Tue)
the sunrise is 7:15am-3:59pm and the tide times are L 2:05am 2'2" H 8:54am 10'8" L 3:02pm 3'10" H 8:37pm 9'9" .
Nov 8th (Wed)
the sunrise is 7:17am-3:57pm and the tide times are L 2:55am 2'2" H 9:28am 11'2" L 3:46pm 2'10" H 9:35pm 10'1" .
Nov 9th (Thu)
the sunrise is 7:19am-3:55pm and the tide times are L 3:36am 2'3" H 9:56am 11'9" L 4:23pm 1'10" H 10:22pm 10'6" .
Nov 10th (Fri)
the sunrise is 7:21am-3:53pm and the tide times are L 4:11am 2'4" H 10:23am 12'3" L 4:57pm 0'10" H 11:05pm 10'11" .
Nov 11th (Sat)
the sunrise is 7:24am-3:52pm and the tide times are L 4:45am 2'6" H 10:50am 12'10" L 5:30pm 0'1" H 11:45pm 11'3" .
Nov 12th (Sun)
the sunrise is 7:26am-3:50pm and the tide times are L 5:18am 2'10" H 11:19am 13'3" L 6:03pm -0'6" .
Nov 13th (Mon)
the sunrise is 7:28am-3:48pm and the tide times are H 12:24am 11'5" L 5:51am 3'2" H 11:48am 13'7" L 6:38pm -1'0" .
Nov 14th (Tue)
the sunrise is 7:30am-3:46pm and the tide times are H 1:04am 11'6" L 6:25am 3'6" H 12:20pm 13'9" L 7:15pm -1'2" .
Nov 15th (Wed)
the sunrise is 7:32am-3:44pm and the tide times are H 1:46am 11'6" L 7:01am 3'10" H 12:55pm 13'9" L 7:56pm -1'2" .
Nov 16th (Thu)
the sunrise is 7:34am-3:43pm and the tide times are H 2:31am 11'3" L 7:40am 4'3" H 1:34pm 13'6" L 8:41pm -0'11" .
Nov 17th (Fri)
the sunrise is 7:36am-3:41pm and the tide times are H 3:21am 10'11" L 8:26am 4'7" H 2:19pm 13'1" L 9:31pm -0'6" .
Nov 18th (Sat)
the sunrise is 7:38am-3:39pm and the tide times are H 4:19am 10'8" L 9:23am 4'10" H 3:12pm 12'4" L 10:28pm -0'0" .
Nov 19th (Sun)
the sunrise is 7:40am-3:38pm and the tide times are H 5:24am 10'7" L 10:38am 4'11" H 4:19pm 11'6" L 11:32pm 0'5" .
Nov 20th (Mon)
the sunrise is 7:42am-3:36pm and the tide times are H 6:30am 10'10" L 12:10pm 4'7" H 5:44pm 10'9" .
Nov 21st (Tue)
the sunrise is 7:44am-3:35pm and the tide times are L 12:38am 0'11" H 7:31am 11'5" L 1:37pm 3'7" H 7:16pm 10'5" .
Nov 22nd (Wed)
the sunrise is 7:46am-3:33pm and the tide times are L 1:42am 1'4" H 8:22am 12'1" L 2:47pm 2'3" H 8:39pm 10'7" .
Nov 23rd (Thu)
the sunrise is 7:48am-3:32pm and the tide times are L 2:40am 1'8" H 9:07am 12'10" L 3:44pm 0'11" H 9:48pm 10'11" .
Nov 24th (Fri)
the sunrise is 7:50am-3:31pm and the tide times are L 3:32am 2'1" H 9:49am 13'6" L 4:33pm -0'3" H 10:47pm 11'4" .
Nov 25th (Sat)
the sunrise is 7:52am-3:29pm and the tide times are L 4:20am 2'6" H 10:28am 14'0" L 5:18pm -1'1" H 11:39pm 11'8" .
Nov 26th (Sun)
the sunrise is 7:54am-3:28pm and the tide times are L 5:05am 2'11" H 11:07am 14'3" L 5:59pm -1'8" .
Nov 27th (Mon)
the sunrise is 7:56am-3:27pm and the tide times are H 12:27am 11'10" L 5:48am 3'4" H 11:45am 14'4" L 6:40pm -1'9" .
Nov 28th (Tue)
the sunrise is 7:58am-3:26pm and the tide times are H 1:12am 11'10" L 6:30am 3'9" H 12:22pm 14'1" L 7:21pm -1'7" .
Nov 29th (Wed)
the sunrise is 7:59am-3:25pm and the tide times are H 1:56am 11'9" L 7:11am 4'1" H 1:00pm 13'8" L 8:01pm -1'1" .
Nov 30th (Thu)
the sunrise is 8:01am-3:24pm and the tide times are H 2:39am 11'5" L 7:52am 4'5" H 1:38pm 13'1" L 8:42pm -0'6" .

Alaska Tides Map

Tides map. Large blue pin with white center = this station. Small blue pin = other tide stations. Red pins = tidepools covered by this tide station.

Prev
Next

Tides.net Members Access | Signup | Login

Chris and Susie, founders of Tides.net since 2002

Tides.net is run by a couple (Chris & Susie) since 2002. Our focus is on coastal users / planners who want fast, clean tide charts and tables for planning and documenting. Sign up for unrestricted tide charts / tables and an ad-free experience. — perfect for frequent beachgoers, anglers, shellfishing, boaters, ecologists, surfers, photographers, and families planning coastal trips and especially for tidepooling.

Sign Up Now

NOAA/NWS Forecast for Port Protection

Last updated: June 13, 2026, 6:07 AM

Land Forecast (AKZ328)

TODAY: Cloudy. Chance of rain. Highs in the upper 60s. Light winds.

TONIGHT: Cloudy. Chance of rain. Lows in the mid 50s. Light winds.

SUNDAY: Chance of rain in the morning, then rain in the afternoon. Highs in the upper 60s. South winds around 10 mph.

SUNDAY NIGHT: Rain in the evening, then rain showers late. Lows in the lower 50s. South winds around 10 mph.

MONDAY: Rain showers. Highs in the lower 60s. Southeast winds around 10 mph.

MONDAY NIGHT: Chance of rain showers. Lows in the upper 40s.

TUESDAY: Cloudy. Highs around 60.

TUESDAY NIGHT: Mostly cloudy. Chance of rain showers. Lows in the upper 40s.

WEDNESDAY: Cloudy. Chance of rain showers. Highs around 60.

WEDNESDAY NIGHT: Mostly cloudy. Lows in the upper 40s.

THURSDAY: Mostly cloudy. Highs in the mid 60s.

THURSDAY NIGHT: Mostly cloudy. Lows in the upper 40s.

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

Last updated: June 13, 2026, 6:07 AM

ADFG

Alaska Department of Fish and Game with current fishing regulations seasons bag size limits and area specific rules

Alaska State Parks

Alaska State Parks and beaches with coastal camping, day use permits, and tidepool access information