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 2nd (Fri)
May 3rd (Sat)
May 4th (Sun)
May 5th (Mon)
May 6th (Tue)
May 7th (Wed)
May 8th (Thu)
May 9th (Fri)
May 10th (Sat)
May 11th (Sun)
May 12th (Mon)
May 13th (Tue)
May 14th (Wed)
May 15th (Thu)
May 16th (Fri)
May 17th (Sat)
May 18th (Sun)
May 19th (Mon)
May 20th (Tue)
May 21st (Wed)
May 22nd (Thu)
May 23rd (Fri)
May 24th (Sat)
May 25th (Sun)
May 26th (Mon)
May 27th (Tue)
May 28th (Wed)
May 29th (Thu)
May 30th (Fri)
May 31st (Sat)
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