Armitage Island, Thatcher Pass tide chart
Washington · near Anacortes (9 mi) · NOAA station 9449932 · times in local time (PDT)
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Tides today, Sunday, October 11
- High 6:43 AM 7.1 ft
- Low 11:20 AM 4.5 ft
- High 4:53 PM 7.5 ft
- Low 11:50 PM -0.3 ft
Were today's predicted times right where you were?
Sunrise 7:26 AM · Sunset 6:31 PM · New moon (0%)
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Fishing forecast
Hour by hour at Armitage Island, Thatcher PassBest times
6:00 PM–7:00 PM and 1:00 AM–2:00 AM
New moon (0% lit)
Rain radar
Biting around here in October
- Coho salmon In seasonNearshore and bays on the incoming tide
- Rockfish In seasonJetties and reefs, slower tides
General seasonal guide for Pacific Northwest. Seasons, sizes and limits vary, so check your state rules before keeping fish.
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Weather and conditions at Armitage Island, Thatcher Pass
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Marine forecast: Northern Inland Waters Including The San Juan Islands
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- Water temperature —
- Nearest weather buoy Se'lhaem Bellingham Bay (17 mi): waves, wind and water temperature
Marine radio: weather channels and VHF
NOAA Weather Radio
- 162.525 MHz WX7 KAD93, H Street - Blaine Area, WA (33 mi)
- 162.425 MHz WX4 WWG24, Puget Sound Marine, WA (36 mi)
To get alerts on a weather alert radio, program county code 053055 (San Juan).
VHF marine channels
- Ch 16 Distress, safety and calling
- Ch 9 Boater-to-boater calling
- Ch 22A Coast Guard safety broadcasts
- Ch 13 Bridge-to-bridge (big ships, drawbridges)
- Ch 68, 69, 71, 72, 78A Recreational chat
Weather radio broadcasts are continuous; VHF channels are the US standard. Local harbors and bridges may use others, so check your chart.
Live readings from NOAA and the National Weather Service, loaded when you open this page.
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Tide times this week
| Day | High and low tides | Sunrise / sunset | Moon |
|---|---|---|---|
| Sun Oct 11 | H 6:43 AM 7.1 ftL 11:20 AM 4.5 ftH 4:53 PM 7.5 ftL 11:50 PM -0.3 ft | 7:26 AM / 6:31 PM | New moon (0%) |
| Mon Oct 12 | H 7:40 AM 7.4 ftL 12:04 PM 5.3 ftH 5:06 PM 7.4 ft | 7:27 AM / 6:29 PM | New moon (2%) |
| Tue Oct 13 | L 12:22 AM -0.7 ftH 8:36 AM 7.7 ftL 12:53 PM 6.1 ftH 5:24 PM 7.3 ft | 7:29 AM / 6:27 PM | Waxing crescent (6%) |
| Wed Oct 14 | L 12:56 AM -0.8 ftH 9:34 AM 7.8 ftL 1:57 PM 6.6 ftH 5:45 PM 7.1 ft | 7:30 AM / 6:25 PM | Waxing crescent (13%) |
| Thu Oct 15 | L 1:33 AM -0.6 ftH 10:36 AM 7.8 ft | 7:32 AM / 6:23 PM | Waxing crescent (20%) |
| Fri Oct 16 | L 2:14 AM -0.2 ftH 11:42 AM 7.8 ft | 7:33 AM / 6:21 PM | Waxing crescent (30%) |
| Sat Oct 17 | L 3:01 AM 0.2 ftH 12:46 PM 7.7 ft | 7:35 AM / 6:19 PM | First quarter (40%) |
Tidal currents near Armitage Island, Thatcher Pass
From NOAA's current predictions for Thatcher Pass at 28 ft depth, 0.6 miles away. Slack is when the current turns and the water is calmest; flood runs in with the rising tide and ebb runs out with the falling tide. Times are the peak of each run, in knots. The flood runs toward the WSW (256°) and the ebb toward the E (93°). The strongest current this week is 2.1 knots.
| Day | Slack water and peak currents |
|---|---|
| Sun Oct 11 | Slack 1:53 AMFlood 4:48 AM 1.1 knSlack 7:56 AMEbb 10:35 AM 1.2 knSlack 2:30 PMFlood 3:38 PM 0.2 knSlack 5:14 PMEbb 10:43 PM 2.1 kn |
| Mon Oct 12 | Slack 2:25 AMFlood 5:02 AM 1.1 knSlack 8:31 AMEbb 11:11 AM 1.1 knSlack 3:13 PMFlood 4:18 PM 0.1 knSlack 5:39 PMEbb 11:18 PM 2.0 kn |
| Tue Oct 13 | Slack 2:57 AMFlood 5:16 AM 0.9 knSlack 8:42 AMEbb 11:36 AM 1.0 knSlack 3:53 PMFlood 5:00 PM 0.1 knSlack 6:16 PMEbb 11:53 PM 1.8 kn |
| Wed Oct 14 | Slack 3:30 AMFlood 5:36 AM 0.8 knSlack 8:25 AMEbb 11:57 AM 1.0 knSlack 4:40 PMSlack 6:43 PM |
| Thu Oct 15 | Ebb 12:28 AM 1.6 knSlack 4:03 AMFlood 6:03 AM 0.7 knSlack 8:21 AMEbb 12:15 PM 0.9 knSlack 6:16 PM |
| Fri Oct 16 | Ebb 1:06 AM 1.5 knSlack 4:39 AMFlood 6:39 AM 0.6 knSlack 8:45 AMEbb 12:29 PM 0.8 knEbb 6:41 PM 0.2 kn |
| Sat Oct 17 | Ebb 1:48 AM 1.4 knSlack 5:21 AMFlood 7:24 AM 0.6 knSlack 9:29 AMEbb 12:32 PM 0.7 knEbb 4:31 PM 0.2 kn |
Current predictions can differ a lot over short distances: check the station location on NOAA before planning a passage.
Best fishing times at Armitage Island, Thatcher Pass
The bite score (0 to 100) adds up what anglers watch most: moving water (a tide running harder than usual here scores higher), solunar periods (major periods of about two hours centred on the moon overhead or underfoot, minor periods of about an hour on moonrise and moonset), dawn and dusk light, and how close it is to the new or full moon. Best times are the stretches of the day scoring near that day's top.
| Day | Bite score | Best times | Major periods | Minor periods |
|---|---|---|---|---|
| Sun Oct 11 | 87 · Excellent | 6:00 PM–7:00 PM, 1:00 AM–2:00 AM | 12:29 AM–2:29 AM, 12:52 PM–2:52 PM | 8:30 AM–9:30 AM, 6:03 PM–7:03 PM |
| Mon Oct 12 | 75 · Excellent | 2:00 AM–3:00 AM | 1:15 AM–3:15 AM, 1:38 PM–3:38 PM | 9:43 AM–10:43 AM, 6:25 PM–7:25 PM |
| Tue Oct 13 | 68 · Good | 2:00 AM–4:00 AM, 7:00 PM–8:00 PM | 2:02 AM–4:02 AM, 2:27 PM–4:27 PM | 10:54 AM–11:54 AM, 6:53 PM–7:53 PM |
| Wed Oct 14 | 54 · Fair | 3:00 AM–5:00 AM | 2:52 AM–4:52 AM, 3:17 PM–5:17 PM | 12:00 PM–1:00 PM, 7:30 PM–8:30 PM |
| Thu Oct 15 | 52 · Fair | 5:00 PM–6:00 PM, 4:00 AM–5:00 AM | 3:42 AM–5:42 AM, 4:08 PM–6:08 PM | 12:58 PM–1:58 PM, 8:17 PM–9:17 PM |
| Fri Oct 16 | 56 · Good | 5:00 PM–7:00 PM, 5:00 AM–6:00 AM | 4:33 AM–6:33 AM, 4:58 PM–6:58 PM | 1:46 PM–2:46 PM, 9:14 PM–10:14 PM |
| Sat Oct 17 | 59 · Good | 6:00 AM–7:00 AM, 6:00 PM–7:00 PM | 5:23 AM–7:23 AM, 5:48 PM–7:48 PM | 2:23 PM–3:23 PM, 10:19 PM–11:19 PM |
A planning aid, not a guarantee. Wind, water clarity, bait and pressure changes matter too; the forecast above adds live wind and pressure when you open the page.
Best daylight low tides in the next two weeks
The lowest water that falls between sunrise and sunset, for tide pooling and beachcombing.
- 2.4 ft at 7:52 AM on Thursday, October 22
- 3.0 ft at 8:38 AM on Friday, October 23
- 3.8 ft at 9:21 AM on Saturday, October 24
- 4.5 ft at 11:20 AM on Sunday, October 11
- 5.3 ft at 12:04 PM on Monday, October 12
- 6.1 ft at 12:53 PM on Tuesday, October 13
Tide table: October 11 to November 10, 2026
Full 2026 tide table Full 2027 tide table
| Day | High and low tides | Sunrise / sunset |
|---|---|---|
| Sun Oct 11 | H 6:43 AM 7.1 ftL 11:20 AM 4.5 ftH 4:53 PM 7.5 ftL 11:50 PM -0.3 ft | 7:26 AM / 6:31 PM |
| Mon Oct 12 | H 7:40 AM 7.4 ftL 12:04 PM 5.3 ftH 5:06 PM 7.4 ft | 7:27 AM / 6:29 PM |
| Tue Oct 13 | L 12:22 AM -0.7 ftH 8:36 AM 7.7 ftL 12:53 PM 6.1 ftH 5:24 PM 7.3 ft | 7:29 AM / 6:27 PM |
| Wed Oct 14 | L 12:56 AM -0.8 ftH 9:34 AM 7.8 ftL 1:57 PM 6.6 ftH 5:45 PM 7.1 ft | 7:30 AM / 6:25 PM |
| Thu Oct 15 | L 1:33 AM -0.6 ftH 10:36 AM 7.8 ft | 7:32 AM / 6:23 PM |
| Fri Oct 16 | L 2:14 AM -0.2 ftH 11:42 AM 7.8 ft | 7:33 AM / 6:21 PM |
| Sat Oct 17 | L 3:01 AM 0.2 ftH 12:46 PM 7.7 ft | 7:35 AM / 6:19 PM |
| Sun Oct 18 | L 3:55 AM 0.7 ftH 1:37 PM 7.6 ft | 7:36 AM / 6:17 PM |
| Mon Oct 19 | L 4:55 AM 1.1 ftH 2:15 PM 7.5 ft | 7:38 AM / 6:16 PM |
| Tue Oct 20 | L 5:59 AM 1.5 ftH 2:41 PM 7.5 ftL 9:08 PM 4.7 ft | 7:39 AM / 6:14 PM |
| Wed Oct 21 | H 12:08 AM 5.1 ftL 6:59 AM 1.9 ftH 2:59 PM 7.4 ftL 9:20 PM 3.9 ft | 7:41 AM / 6:12 PM |
| Thu Oct 22 | H 1:50 AM 5.3 ftL 7:52 AM 2.4 ftH 3:10 PM 7.4 ftL 9:31 PM 3.0 ft | 7:42 AM / 6:10 PM |
| Fri Oct 23 | H 3:17 AM 5.7 ftL 8:38 AM 3.0 ftH 3:19 PM 7.5 ftL 9:47 PM 1.8 ft | 7:44 AM / 6:08 PM |
| Sat Oct 24 | H 4:29 AM 6.2 ftL 9:21 AM 3.8 ftH 3:28 PM 7.6 ftL 10:12 PM 0.5 ft | 7:45 AM / 6:06 PM |
| Sun Oct 25 | H 5:33 AM 6.8 ftL 10:03 AM 4.6 ftH 3:43 PM 7.8 ftL 10:44 PM -0.7 ft | 7:47 AM / 6:05 PM |
| Mon Oct 26 | H 6:33 AM 7.5 ftL 10:46 AM 5.5 ftH 4:01 PM 8.0 ftL 11:20 PM -1.8 ft | 7:48 AM / 6:03 PM |
| Tue Oct 27 | H 7:31 AM 8.0 ftL 11:30 AM 6.3 ftH 4:23 PM 8.1 ft | 7:50 AM / 6:01 PM |
| Wed Oct 28 | L 12:00 AM -2.4 ftH 8:31 AM 8.3 ftL 12:19 PM 6.9 ftH 4:48 PM 8.1 ft | 7:52 AM / 5:59 PM |
| Thu Oct 29 | L 12:45 AM -2.7 ftH 9:34 AM 8.5 ftL 1:17 PM 7.4 ftH 5:14 PM 8.0 ft | 7:53 AM / 5:58 PM |
| Fri Oct 30 | L 1:33 AM -2.5 ftH 10:39 AM 8.5 ftL 2:39 PM 7.5 ftH 5:34 PM 7.6 ft | 7:55 AM / 5:56 PM |
| Sat Oct 31 | L 2:26 AM -2.0 ftH 11:42 AM 8.4 ft | 7:56 AM / 5:54 PM |
| Sun Nov 1 | L 2:23 AM -1.2 ftH 11:36 AM 8.4 ft | 6:58 AM / 4:53 PM |
| Mon Nov 2 | L 3:25 AM -0.2 ftH 12:20 PM 8.3 ftL 6:58 PM 5.1 ftH 9:13 PM 5.3 ft | 7:00 AM / 4:51 PM |
| Tue Nov 3 | L 4:30 AM 0.9 ftH 12:56 PM 8.2 ftL 7:29 PM 4.0 ftH 11:53 PM 5.0 ft | 7:01 AM / 4:50 PM |
| Wed Nov 4 | L 5:37 AM 2.0 ftH 1:24 PM 8.1 ftL 8:00 PM 2.7 ft | 7:03 AM / 4:48 PM |
| Thu Nov 5 | H 1:50 AM 5.4 ftL 6:41 AM 3.1 ftH 1:46 PM 8.0 ftL 8:30 PM 1.5 ft | 7:04 AM / 4:47 PM |
| Fri Nov 6 | H 3:15 AM 6.1 ftL 7:40 AM 4.1 ftH 1:59 PM 7.9 ftL 8:58 PM 0.4 ft | 7:06 AM / 4:45 PM |
| Sat Nov 7 | H 4:23 AM 6.8 ftL 8:34 AM 5.1 ftH 2:06 PM 7.9 ftL 9:25 PM -0.4 ft | 7:07 AM / 4:44 PM |
| Sun Nov 8 | H 5:20 AM 7.5 ftL 9:25 AM 5.9 ftH 2:14 PM 7.8 ftL 9:51 PM -1.0 ft | 7:09 AM / 4:42 PM |
| Mon Nov 9 | H 6:10 AM 8.1 ftL 10:17 AM 6.6 ftH 2:29 PM 7.8 ftL 10:19 PM -1.3 ft | 7:11 AM / 4:41 PM |
| Tue Nov 10 | H 6:56 AM 8.4 ftL 11:13 AM 7.0 ftH 2:49 PM 7.7 ftL 10:49 PM -1.4 ft | 7:12 AM / 4:39 PM |
Heights are in feet above mean lower low water (MLLW), the zero line on most US nautical charts. A minus height means the water drops below that line.
Around Armitage Island, Thatcher Pass
Beaches
- Driftwood Beach 3.6 mi
- Obstruction Pass Beach 4.8 mi
- West Beach 5.1 mi
- Sunset Beach 5.4 mi
Fishing piers and docks
- Hummel Lake trail 4.5 mi
Distances from the tide station. Places from © OpenStreetMap contributors; links open in Google Maps.
Fish in the waters around Armitage Island, Thatcher Pass
40 kinds of fish, sharks and rays have been recorded within 15 km (about 9 miles) of this spot, most often Coho Salmon, Tidepool Sculpin, English Sole. The bar shows how many records each has.
- Coho Salmon Oncorhynchus kisutchSalt water · 40 records
- Tidepool Sculpin Oligocottus maculosusSalt water · 31 records
- English Sole Parophrys vetulusSalt water · 29 records
- High Cockscomb Anoplarchus purpurescensSalt water · 26 records
- Northern Spearnose Poacher Agonopsis vulsaSalt water · 22 records
- Butter Sole Isopsetta isolepisSalt water · 21 records
- Northern Clingfish Gobiesox maeandricusSalt water · 21 records
- Snake Prickleback Lumpenus sagittaSalt water · 20 records
- Slim Sculpin Radulinus asprellusSalt water · 18 records
- Northern Sculpin Icelinus borealisSalt water · 18 records
- Spinyhead Sculpin Dasycottus setigerSalt water · 18 records
- Gray Starsnout Bathyagonus alascanusSalt water · 18 records
- Pacific Cod Gadus macrocephalusSalt water · 18 records
- Shiner Perch Cymatogaster aggregataSalt water · 17 records
- Pacific Tomcod Microgadus proximusSalt water · 17 records
- Saddleback Gunnel Pholis ornataSalt water · 17 records
- Crescent Gunnel Pholis laetaSalt water · 17 records
- Plainfin Midshipman Porichthys notatusSalt water · 16 records
- Walleye Pollock Gadus chalcogrammusSalt water · 16 records
- Buffalo Sculpin Enophrys bisonSalt water · 16 records
- Pacific Staghorn Sculpin Leptocottus armatusSalt water · 15 records
- Black Prickleback Xiphister atropurpureusSalt water · 15 records
- Flathead Sole Hippoglossoides elassodonSalt water · 15 records
- Roughback Sculpin Chitonotus pugetensisSalt water · 14 records
- Great Sculpin Myoxocephalus polyacanthocephalusSalt water · 14 records
- Kelp Greenling Hexagrammos decagrammusSalt water · 14 records
- Penpoint Gunnel Apodichthys flavidusSalt water · 14 records
- Pacific Herring Clupea pallasiiSalt water · 14 records
- Grunt Sculpin Rhamphocottus richardsoniiSalt water · 13 records
- Padded Sculpin Artedius fenestralisSalt water · 12 records
- Whitespotted Greenling Hexagrammos stelleriSalt water · 12 records
- Sturgeon Poacher Podothecus accipenserinusSalt water · 12 records
- Longfin Smelt Spirinchus thaleichthysSalt water · 12 records
- Blackbelly Eelpout Lycodes pacificusSalt water · 12 records
- Red Irish Lord Hemilepidotus hemilepidotusSalt water · 11 records
- Smooth Alligatorfish Anoplagonus inermisSalt water · 11 records
- Sand Sole Psettichthys melanostictusSalt water · 11 records
- Tadpole Sculpin Psychrolutes paradoxusSalt water · 10 records
- Ribbon Prickleback Phytichthys chirusSalt water · 10 records
- Marbled Snailfish Liparis dennyiSalt water · 10 records
Records from GBIF datasets released under CC0 or CC BY 4.0 (museum collections, surveys and community sightings). It shows what has been found here, not a complete list. Check your state rules before keeping fish.
About the tides at Armitage Island, Thatcher Pass
Armitage Island, Thatcher Pass gets two high tides and two low tides almost every day, and the two highs are close in height. Over the next month the water typically rises or falls about 5.2 ft between a high and the next low.
The biggest swings in this window come around Thursday, October 29, when the day's range reaches 11.1 ft, and again around Tuesday, November 10 (9.9 ft). Those spring tides follow the new and full moon by a day or two. The calmest day is Thursday, October 22, with only 5.0 ft between the day's highest and lowest water.
The lowest tide of the month is -2.7 ft at 12:45 AM on Thursday, October 29. There are 17 minus tides (lows below the chart's zero line) in this window: the best times for tide pools, clamming and walking the flats.
The highest predicted tide is 8.5 ft at 10:39 AM on Friday, October 30. Onshore wind or a storm can push the real water level above that.
This is a reference (harmonic) station: NOAA predicts its tides directly from years of measured water levels here, which makes it among the most reliable predictions on the coast.
Station details
- NOAA station ID: 9449932
- Type: reference (harmonic)
- Location: 48.5350, -122.7970