Portland, Ross Island Tides (Willamette River)

Portland, Ross Island Tide Chart for (Thu) May 1, 2025

Tide chart for Portland, Ross Island on 2025/05/01
Portland, Ross Island tides for May 1st, the sunrise is 5:58am-8:17pm and the tide times are L 3:09am 2'8" H 7:57am 5'6" L 5:11pm 2'2" H 9:11pm 3'10" .

Portland, Ross Island Tide Chart for (Fri) May 2, 2025

Tide chart for Portland, Ross Island on 2025/05/02
Portland, Ross Island tides for May 2nd, the sunrise is 5:56am-8:19pm and the tide times are L 3:55am 2'6" H 8:45am 4'11" L 6:06pm 2'1" H 10:18pm 3'7" .

Portland, Ross Island Tide Chart for (Sat) May 3, 2025

Tide chart for Portland, Ross Island on 2025/05/03
Portland, Ross Island tides for May 3rd, the sunrise is 5:55am-8:20pm and the tide times are L 4:44am 2'4" H 9:37am 4'4" L 7:03pm 1'11" H 11:35pm 3'5" .

Portland, Ross Island Tide Chart for (Sun) May 4, 2025

Tide chart for Portland, Ross Island on 2025/05/04
Portland, Ross Island tides for May 4th, the sunrise is 5:53am-8:21pm and the tide times are L 5:39am 2'2" H 10:38am 3'9" L 7:59pm 1'10" .

Portland, Ross Island Tide Chart for (Mon) May 5, 2025

Tide chart for Portland, Ross Island on 2025/05/05
Portland, Ross Island tides for May 5th, the sunrise is 5:52am-8:23pm and the tide times are H 12:46am 3'4" L 6:47am 2'1" H 11:48am 3'5" L 8:50pm 1'9" .

Portland, Ross Island Tide Chart for (Tue) May 6, 2025

Tide chart for Portland, Ross Island on 2025/05/06
Portland, Ross Island tides for May 6th, the sunrise is 5:50am-8:24pm and the tide times are H 1:37am 3'5" L 8:24am 2'0" H 1:04pm 3'2" L 9:34pm 1'9" .

Portland, Ross Island Tide Chart for (Wed) May 7, 2025

Tide chart for Portland, Ross Island on 2025/05/07
Portland, Ross Island tides for May 7th, the sunrise is 5:49am-8:25pm and the tide times are H 2:17am 3'7" L 9:51am 1'10" H 2:17pm 3'2" L 10:12pm 1'10" .

Portland, Ross Island Tide Chart for (Thu) May 8, 2025

Tide chart for Portland, Ross Island on 2025/05/08
Portland, Ross Island tides for May 8th, the sunrise is 5:48am-8:26pm and the tide times are H 2:53am 3'9" L 10:57am 1'9" H 3:19pm 3'4" L 10:42pm 2'0" .

Portland, Ross Island Tide Chart for (Fri) May 9, 2025

Tide chart for Portland, Ross Island on 2025/05/09
Portland, Ross Island tides for May 9th, the sunrise is 5:46am-8:28pm and the tide times are H 3:27am 4'1" L 11:53am 1'9" H 4:10pm 3'6" L 11:05pm 2'3" .

Portland, Ross Island Tide Chart for (Sat) May 10, 2025

Tide chart for Portland, Ross Island on 2025/05/10
Portland, Ross Island tides for May 10th, the sunrise is 5:45am-8:29pm and the tide times are H 4:00am 4'5" L 12:43pm 1'9" H 4:57pm 3'7" L 11:25pm 2'5" .

Portland, Ross Island Tide Chart for (Sun) May 11, 2025

Tide chart for Portland, Ross Island on 2025/05/11
Portland, Ross Island tides for May 11th, the sunrise is 5:44am-8:30pm and the tide times are H 4:33am 4'9" L 1:29pm 1'9" H 5:40pm 3'8" L 11:57pm 2'6" .

Portland, Ross Island Tide Chart for (Mon) May 12, 2025

Tide chart for Portland, Ross Island on 2025/05/12
Portland, Ross Island tides for May 12th, the sunrise is 5:43am-8:31pm and the tide times are H 5:07am 5'0" L 2:13pm 1'9" H 6:22pm 3'9" .

Portland, Ross Island Tide Chart for (Tue) May 13, 2025

Tide chart for Portland, Ross Island on 2025/05/13
Portland, Ross Island tides for May 13th, the sunrise is 5:41am-8:32pm and the tide times are L 12:41am 2'7" H 5:43am 5'1" L 2:55pm 1'9" H 7:03pm 3'8" .

Portland, Ross Island Tide Chart for (Wed) May 14, 2025

Tide chart for Portland, Ross Island on 2025/05/14
Portland, Ross Island tides for May 14th, the sunrise is 5:40am-8:34pm and the tide times are L 1:27am 2'7" H 6:19am 5'1" L 3:34pm 1'9" H 7:44pm 3'6" .

Portland, Ross Island Tide Chart for (Thu) May 15, 2025

Tide chart for Portland, Ross Island on 2025/05/15
Portland, Ross Island tides for May 15th, the sunrise is 5:39am-8:35pm and the tide times are L 2:13am 2'5" H 6:58am 4'11" L 4:13pm 1'9" H 8:27pm 3'4" .

Portland, Ross Island Tide Chart for (Fri) May 16, 2025

Tide chart for Portland, Ross Island on 2025/05/16
Portland, Ross Island tides for May 16th, the sunrise is 5:38am-8:36pm and the tide times are L 2:57am 2'3" H 7:40am 4'9" L 4:51pm 1'8" H 9:12pm 3'2" .

Portland, Ross Island Tide Chart for (Sat) May 17, 2025

Tide chart for Portland, Ross Island on 2025/05/17
Portland, Ross Island tides for May 17th, the sunrise is 5:37am-8:37pm and the tide times are L 3:41am 2'1" H 8:26am 4'5" L 5:29pm 1'8" H 10:02pm 3'1" .

Portland, Ross Island Tide Chart for (Sun) May 18, 2025

Tide chart for Portland, Ross Island on 2025/05/18
Portland, Ross Island tides for May 18th, the sunrise is 5:36am-8:38pm and the tide times are L 4:26am 2'0" H 9:16am 4'2" L 6:07pm 1'8" H 10:55pm 3'1" .

Portland, Ross Island Tide Chart for (Mon) May 19, 2025

Tide chart for Portland, Ross Island on 2025/05/19
Portland, Ross Island tides for May 19th, the sunrise is 5:35am-8:39pm and the tide times are L 5:13am 1'11" H 10:13am 3'11" L 6:46pm 1'8" H 11:48pm 3'3" .

Portland, Ross Island Tide Chart for (Tue) May 20, 2025

Tide chart for Portland, Ross Island on 2025/05/20
Portland, Ross Island tides for May 20th, the sunrise is 5:34am-8:40pm and the tide times are L 6:07am 2'0" H 11:17am 3'9" L 7:23pm 1'9" .

Portland, Ross Island Tide Chart for (Wed) May 21, 2025

Tide chart for Portland, Ross Island on 2025/05/21
Portland, Ross Island tides for May 21st, the sunrise is 5:33am-8:41pm and the tide times are H 12:40am 3'7" L 7:13am 2'2" H 12:27pm 3'8" L 7:59pm 1'11" .

Portland, Ross Island Tide Chart for (Thu) May 22, 2025

Tide chart for Portland, Ross Island on 2025/05/22
Portland, Ross Island tides for May 22nd, the sunrise is 5:32am-8:43pm and the tide times are H 1:29am 4'1" L 8:53am 2'4" H 1:37pm 3'9" L 8:33pm 2'2" .

Portland, Ross Island Tide Chart for (Fri) May 23, 2025

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Portland, Ross Island Tide Chart for (Sat) May 24, 2025

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Portland, Ross Island Tide Chart for (Sun) May 25, 2025

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Portland, Ross Island Tide Chart for (Mon) May 26, 2025

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Portland, Ross Island Tide Chart for (Tue) May 27, 2025

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Portland, Ross Island Tide Chart for (Wed) May 28, 2025

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Portland, Ross Island Tide Chart for (Thu) May 29, 2025

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Portland, Ross Island Tide Chart for (Fri) May 30, 2025

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Portland, Ross Island Tide Chart for (Sat) May 31, 2025

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Portland, Ross Island Tide Chart Calendar for May 2025

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

May 1st (Thu)
the sunrise is 5:58am-8:17pm and the tide times are L 3:09am 2'8" H 7:57am 5'6" L 5:11pm 2'2" H 9:11pm 3'10" .


May 2nd (Fri)
the sunrise is 5:56am-8:19pm and the tide times are L 3:55am 2'6" H 8:45am 4'11" L 6:06pm 2'1" H 10:18pm 3'7" .


May 3rd (Sat)
the sunrise is 5:55am-8:20pm and the tide times are L 4:44am 2'4" H 9:37am 4'4" L 7:03pm 1'11" H 11:35pm 3'5" .


May 4th (Sun)
the sunrise is 5:53am-8:21pm and the tide times are L 5:39am 2'2" H 10:38am 3'9" L 7:59pm 1'10" .


May 5th (Mon)
the sunrise is 5:52am-8:23pm and the tide times are H 12:46am 3'4" L 6:47am 2'1" H 11:48am 3'5" L 8:50pm 1'9" .


May 6th (Tue)
the sunrise is 5:50am-8:24pm and the tide times are H 1:37am 3'5" L 8:24am 2'0" H 1:04pm 3'2" L 9:34pm 1'9" .


May 7th (Wed)
the sunrise is 5:49am-8:25pm and the tide times are H 2:17am 3'7" L 9:51am 1'10" H 2:17pm 3'2" L 10:12pm 1'10" .


May 8th (Thu)
the sunrise is 5:48am-8:26pm and the tide times are H 2:53am 3'9" L 10:57am 1'9" H 3:19pm 3'4" L 10:42pm 2'0" .


May 9th (Fri)
the sunrise is 5:46am-8:28pm and the tide times are H 3:27am 4'1" L 11:53am 1'9" H 4:10pm 3'6" L 11:05pm 2'3" .


May 10th (Sat)
the sunrise is 5:45am-8:29pm and the tide times are H 4:00am 4'5" L 12:43pm 1'9" H 4:57pm 3'7" L 11:25pm 2'5" .


May 11th (Sun)
the sunrise is 5:44am-8:30pm and the tide times are H 4:33am 4'9" L 1:29pm 1'9" H 5:40pm 3'8" L 11:57pm 2'6" .


May 12th (Mon)
the sunrise is 5:43am-8:31pm and the tide times are H 5:07am 5'0" L 2:13pm 1'9" H 6:22pm 3'9" .


May 13th (Tue)
the sunrise is 5:41am-8:32pm and the tide times are L 12:41am 2'7" H 5:43am 5'1" L 2:55pm 1'9" H 7:03pm 3'8" .


May 14th (Wed)
the sunrise is 5:40am-8:34pm and the tide times are L 1:27am 2'7" H 6:19am 5'1" L 3:34pm 1'9" H 7:44pm 3'6" .


May 15th (Thu)
the sunrise is 5:39am-8:35pm and the tide times are L 2:13am 2'5" H 6:58am 4'11" L 4:13pm 1'9" H 8:27pm 3'4" .


May 16th (Fri)
the sunrise is 5:38am-8:36pm and the tide times are L 2:57am 2'3" H 7:40am 4'9" L 4:51pm 1'8" H 9:12pm 3'2" .


May 17th (Sat)
the sunrise is 5:37am-8:37pm and the tide times are L 3:41am 2'1" H 8:26am 4'5" L 5:29pm 1'8" H 10:02pm 3'1" .


May 18th (Sun)
the sunrise is 5:36am-8:38pm and the tide times are L 4:26am 2'0" H 9:16am 4'2" L 6:07pm 1'8" H 10:55pm 3'1" .


May 19th (Mon)
the sunrise is 5:35am-8:39pm and the tide times are L 5:13am 1'11" H 10:13am 3'11" L 6:46pm 1'8" H 11:48pm 3'3" .


May 20th (Tue)
the sunrise is 5:34am-8:40pm and the tide times are L 6:07am 2'0" H 11:17am 3'9" L 7:23pm 1'9" .


May 21st (Wed)
the sunrise is 5:33am-8:41pm and the tide times are H 12:40am 3'7" L 7:13am 2'2" H 12:27pm 3'8" L 7:59pm 1'11" .


May 22nd (Thu)
the sunrise is 5:32am-8:43pm and the tide times are H 1:29am 4'1" L 8:53am 2'4" H 1:37pm 3'9" L 8:33pm 2'2" .


May 23rd (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 24th (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 25th (Sun)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 26th (Mon)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 27th (Tue)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 28th (Wed)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 29th (Thu)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 30th (Fri)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


May 31st (Sat)
Sun 0:00am-1:11pm L 1:23am 4'5" H 2:34am 5'6" L 3:45pm 6'7" H 4:56pm 7'8"


NOAA Marine Advisory and Weather for Portland, Ross Island

No active NOAA warnings for this station.

Marine Forecast (PZZ210)

PZZ210-161200-
Columbia River Bar-
1256 PM PDT Thu May 15 2025
.IN THE MAIN CHANNEL...
.GENERAL SEAS...4 ft building to 7 ft Friday evening.
.FIRST EBB...Ebb current of 2.51 kt at 719 PM Thursday. Seas 4 ft.
.SECOND EBB...Ebb current of 5.34 kt at 716 AM Friday. Seas 4 to 5
ft.
.THIRD EBB...Ebb current of 2.35 kt at 800 PM Friday. Seas 7 ft.

Land Forecast (ORZ111)

TONIGHT: Mostly cloudy. Rain this afternoon. Highs in the lower 60s. Winds light. Chance of rain 90 percent. Rainfall amounts less than a tenth of an inch.

FRIDAY: Mostly cloudy. A chance of rain, mainly in the evening. Lows in the upper 40s. Winds light. Chance of rain 50 percent. Rainfall amounts less than a tenth of an inch.

FRIDAY NIGHT: Mostly cloudy with a 20 percent chance of showers. Highs in the mid 60s. Winds light.

SATURDAY: Showers likely. Lows in the lower 50s. Winds light. Chance of rain 70 percent.

SATURDAY NIGHT: Showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. West wind 5 to 10 mph. Chance of rain near 100 percent.

SUNDAY: Mostly cloudy with showers likely with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 70 percent.

SUNDAY NIGHT: Partly sunny with a 50 percent chance of showers. Highs in the lower 60s.

MONDAY: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s.

MONDAY NIGHT: Mostly cloudy with a 50 percent chance of rain. Highs in the mid 60s.

TUESDAY: Mostly cloudy with a 50 percent chance of showers. Lows in the upper 40s.

TUESDAY NIGHT: Partly sunny with a 20 percent chance of showers. Highs in the upper 60s.

WEDNESDAY: Partly cloudy. Lows in the mid 40s.

Last updated: May 15, 2025, 6:00 PM

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