Castle Islands, Duncan Canal

Castle Islands, Duncan Canal is a tide station in AK, United States. The tide is a major force here — around ⁦16.9 ft⁩ at springs — with two highs and two lows most days.

Good

Best window 08:00 – 11:00

Good (58) — best around ⁦08:00–11:00⁩, thanks to a major solunar period, moving water, dawn or dusk light.

Feels like ⁦31°⁩ around 23:00.
Why we say this
Apparent temperature combines cold and wind chill. Near freezing, exposure sets the length of a session more than the fish do.

Shore68
Boat68
Rock68
Kayak53
Spearfishing est.51

Shore68
Boat68
Rock68
Kayak53
Spearfishing51est.

Go — Shore, Boat, or Rock

Confidence: highUpdated about 2 h ago

ShoreGoBoatGoRockGoKayakMarginalSpearfishingMarginal

Best ⁦09:00–12:00⁩

00:0003:0006:0009:0012:0015:0018:0021:00

Why

a major solunar period
moving water
dawn or dusk light
cold water
likely murky water

Tap a block for the reasons

Tides

High tideLow tideHourly fishing scoreMoon overhead or underfootMoonrise or moonsetDawn or dusk lightTide running

Coefficient 68

Hover an hour

Fishing—
Wind— kn
Waves— ft

Show all rows

Gusts— kn
Period— s
Current— kn
UV—
Cloud— %
Feels like— °

0h3h6h9h12h15h18h21h

Tap an hour to see the values

Which day to go

Updated about 2 h ago

Day	Shore	Boat	Rock	Kayak	Spearfishing	Wind	Waves	Swell	Water
18 Sun	63	63	63	57	52	1–6kn ESE	0.2–0.7ft SW	0.3ft · 3.9s SW	49°
19 Mon	67	66	67	60	54	1–9kn ESE	0.1–0.5ft SW	0.1ft · 4.5s SW	48°
20 Tue	56	54	55	37	32	3–16kn SSE	0.7–3.8ft SSE	0.6ft · 3.9s SSW	49°
21 Wed	72	70	71	54	48	1–7kn SE	0.3–0.7ft SW	0.3ft · 3.6s SW	49°
22 Thu	68	68	68	53	51	1–6kn ESE	0.3–0.7ft SSW	0.3ft · 4.2s SW	48°
23 Fri	63	63	63	55	47	1–3kn NE	0.1–0.3ft SW	0.2ft · 4.5s SW	47°
24 Sat	69	69	69	60	51	2–4kn N	0.1ft SW	0.1ft · 4.6s SW	46°

Fishing spots nearby

Questions

Is October 22, 2026 a good day to fish at Castle Islands, Duncan Canal?

Our fishing score for Castle Islands, Duncan Canal on October 22, 2026 is 58 out of 100 — Good.

When is high tide at Castle Islands, Duncan Canal on October 22, 2026?

High tides on October 22, 2026: ⁦11:21 AM, 11:36 PM⁩. Low tides: ⁦04:51 AM, 05:26 PM⁩. Times are local.

What is the tidal range at Castle Islands, Duncan Canal?

The mean spring range at Castle Islands, Duncan Canal is about ⁦16.9 ft⁩.

What time do the sun and moon rise at Castle Islands, Duncan Canal?

On October 22, 2026, the sun rises at 07:40 AM and sets at 05:32 PM. The moon rises at 04:20 PM and sets at 03:03 AM.