Castle Islands, Duncan Canal, Alaska Tide Chart & Predictions
Today's Tides
- High Tide at 5:36 AM — 14.4 ft (4.39 m)
- Low Tide at 11:49 AM — -0.4 ft (-0.12 m)
- High Tide at 6:31 PM — 14.5 ft (4.42 m)
Moon Phase & Solunar
Moon Phase: Waxing Crescent (32% illuminated)
Solunar Major Periods: 4:23 PM, 4:47 AM
Solunar Minor Periods: 10:55 AM, 11:54 PM
Fishing Rating: fair
7-Day Tide Table
| Day | Date | Tides | Moon Phase | Fishing Rating |
|---|---|---|---|---|
| Sat | 2026-06-20 | H 5:36 AM (14.4 ft), L 11:49 AM (-0.4 ft), H 6:31 PM (14.5 ft) | Waxing Crescent | fair |
| Sun | 2026-06-21 | L 12:26 AM (3.0 ft), H 6:38 AM (12.8 ft), L 12:37 PM (1.1 ft), H 7:26 PM (14.2 ft) | First Quarter | good |
| Mon | 2026-06-22 | L 1:33 AM (3.0 ft), H 7:46 AM (11.6 ft), L 1:29 PM (2.5 ft), H 8:21 PM (14.1 ft) | First Quarter | good |
| Tue | 2026-06-23 | L 2:47 AM (2.7 ft), H 8:56 AM (11.0 ft), L 2:26 PM (3.7 ft), H 9:14 PM (14.2 ft) | First Quarter | good |
| Wed | 2026-06-24 | L 3:59 AM (2.2 ft), H 10:02 AM (10.9 ft), L 3:28 PM (4.5 ft), H 10:03 PM (14.4 ft) | First Quarter | good |
| Thu | 2026-06-25 | L 4:58 AM (1.4 ft), H 11:01 AM (11.2 ft), L 4:29 PM (4.9 ft), H 10:51 PM (14.7 ft) | Waxing Gibbous | good |
| Fri | 2026-06-26 | L 5:45 AM (0.7 ft), H 11:55 AM (11.7 ft), L 5:21 PM (4.9 ft), H 11:36 PM (15.0 ft) | Waxing Gibbous | good |
| Sat | 2026-06-27 | L 6:25 AM (0.0 ft), H 12:43 PM (12.3 ft), L 6:06 PM (4.8 ft) | Unknown | fair |
Frequently Asked Questions
When is low tide at Castle Islands, Duncan Canal, Alaska?
Today's low tide at Castle Islands, Duncan Canal, Alaska is at 11:49 AM with a tide height of -0.4 ft (-0.12 m) below MLLW. The full 7-day tide chart is on this page, sourced from NOAA CO-OPS.
When is high tide at Castle Islands, Duncan Canal, Alaska?
Today's high tide at Castle Islands, Duncan Canal, Alaska is at 5:36 AM with a tide height of 14.4 ft (4.39 m) above MLLW. A second high tide follows at 6:31 PM (14.5 ft). Most species feed most actively in the two hours leading up to high tide.
What's the tide chart for Castle Islands, Duncan Canal?
Castle Islands, Duncan Canal, Alaska has 2 high tides and 1 low tide today. The 7-day chart on this page shows tide heights, moon phases, and solunar feeding periods, all sourced from NOAA CO-OPS.
What's the best fishing time at Castle Islands, Duncan Canal today?
Based on the latest data, today's fishing rating at Castle Islands, Duncan Canal, Alaska is fair. The solunar major period starts at 4:23 PM — fish typically feed most aggressively during this window.
Are tide predictions for Castle Islands, Duncan Canal accurate?
Yes — HookCast uses tide predictions from NOAA Center for Operational Oceanographic Products (CO-OPS), the official US tidal data source. Predictions for Castle Islands, Duncan Canal, Alaska are typically within ±5 minutes of observed tide times and ±0.2 ft of observed heights, except during major storm surges.
What other fishing spots are near Castle Islands, Duncan Canal?
Nearby NOAA tidal stations include Beecher Pass, Anchor Point, Papke's Landing, Point Lockwood, Woewodski Island, Turn Point. Each location has its own tide chart, fishing score, and 7-day forecast on HookCast.
Castle Islands, Duncan Canal Tide Chart
Tide times, moon phases & solunar feeding periods
Weather ForecastTide + Solunar Insightfair
Best window: Solunar Major at 4:23 PM. Focus on moving water during tide changes for best results.
Today's Tides
Moon & Solunar
Waxing Crescent
32% illuminated
Lighter solunar influence — focus fishing around major periods for best results
Major Periods (~2 hr windows)
Minor Periods (~1 hr windows)
Today's Tide Chart — Castle Islands, Duncan Canal
Tide height with solunar major period overlays