Tide Data for - Helm Rock (depth 128 ft), Sumner Strait, Alaska Current
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Current Graph and Table for
Helm Rock (depth 128 ft), Sumner Strait, Alaska Current
(56.3754° N, 133.6679° W)
Current Graph Start Time: 2026-10-16 00:00
This chart predicts EBB and FLOW of CURRENT, not a tide height graph
This chart predicts EBB and FLOW of CURRENT, not a tide height graph
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Raw Tide Data
Helm Rock (depth 128 ft), Sumner Strait, Alaska Current
56.3754° N, 133.6679° W
Flood direction 49° true
Ebb direction 233° true
2026-10-16 12:28 AM AKDT 1.66 knots Max Flood
2026-10-16 04:21 AM AKDT -0.00 knots Slack, Ebb Begins
2026-10-16 07:01 AM AKDT -1.50 knots Max Ebb
2026-10-16 07:29 AM AKDT Sunrise
2026-10-16 10:19 AM AKDT 0.00 knots Slack, Flood Begins
2026-10-16 12:49 PM AKDT 1.31 knots Max Flood
2026-10-16 03:01 PM AKDT Moonrise
2026-10-16 03:48 PM AKDT -0.00 knots Slack, Ebb Begins
2026-10-16 05:49 PM AKDT Sunset
2026-10-16 06:53 PM AKDT -1.99 knots Max Ebb
2026-10-16 08:23 PM AKDT Moonset
2026-10-16 10:37 PM AKDT 0.00 knots Slack, Flood Begins
2026-10-17 01:20 AM AKDT 1.38 knots Max Flood
2026-10-17 05:15 AM AKDT -0.00 knots Slack, Ebb Begins
2026-10-17 07:31 AM AKDT Sunrise
2026-10-17 07:53 AM AKDT -1.25 knots Max Ebb
2026-10-17 11:26 AM AKDT 0.00 knots Slack, Flood Begins
2026-10-17 01:47 PM AKDT 1.05 knots Max Flood
2026-10-17 03:30 PM AKDT Moonrise
2026-10-17 04:46 PM AKDT -0.00 knots Slack, Ebb Begins
2026-10-17 05:47 PM AKDT Sunset
2026-10-17 07:44 PM AKDT -1.74 knots Max Ebb
2026-10-17 09:37 PM AKDT Moonset
2026-10-17 11:43 PM AKDT 0.00 knots Slack, Flood Begins
Helm Rock (depth 128 ft), Sumner Strait, Alaska Current
56.3754° N, 133.6679° W
Flood direction 49° true
Ebb direction 233° true
2026-10-16 12:28 AM AKDT 1.66 knots Max Flood
2026-10-16 04:21 AM AKDT -0.00 knots Slack, Ebb Begins
2026-10-16 07:01 AM AKDT -1.50 knots Max Ebb
2026-10-16 07:29 AM AKDT Sunrise
2026-10-16 10:19 AM AKDT 0.00 knots Slack, Flood Begins
2026-10-16 12:49 PM AKDT 1.31 knots Max Flood
2026-10-16 03:01 PM AKDT Moonrise
2026-10-16 03:48 PM AKDT -0.00 knots Slack, Ebb Begins
2026-10-16 05:49 PM AKDT Sunset
2026-10-16 06:53 PM AKDT -1.99 knots Max Ebb
2026-10-16 08:23 PM AKDT Moonset
2026-10-16 10:37 PM AKDT 0.00 knots Slack, Flood Begins
2026-10-17 01:20 AM AKDT 1.38 knots Max Flood
2026-10-17 05:15 AM AKDT -0.00 knots Slack, Ebb Begins
2026-10-17 07:31 AM AKDT Sunrise
2026-10-17 07:53 AM AKDT -1.25 knots Max Ebb
2026-10-17 11:26 AM AKDT 0.00 knots Slack, Flood Begins
2026-10-17 01:47 PM AKDT 1.05 knots Max Flood
2026-10-17 03:30 PM AKDT Moonrise
2026-10-17 04:46 PM AKDT -0.00 knots Slack, Ebb Begins
2026-10-17 05:47 PM AKDT Sunset
2026-10-17 07:44 PM AKDT -1.74 knots Max Ebb
2026-10-17 09:37 PM AKDT Moonset
2026-10-17 11:43 PM AKDT 0.00 knots Slack, Flood Begins
Tide Graphs and Charts - Helm Rock (depth 128 ft), Sumner Strait, Alaska Current
NOT FOR NAVIGATION
The accuracy of these tide predictions is not guaranteed in any way. You should not use this program if anyone or anything could come to harm as a result of an incorrect tide prediction. NOAA and similar agencies in other countries can provide you with certified tide predictions if that is what you need.
XTide's predictions do not incorporate the effects of tropical storms, El Niņo, seismic events, subsidence, uplift, or changes in global sea level.
The accuracy of these tide predictions is not guaranteed in any way. You should not use this program if anyone or anything could come to harm as a result of an incorrect tide prediction. NOAA and similar agencies in other countries can provide you with certified tide predictions if that is what you need.
XTide's predictions do not incorporate the effects of tropical storms, El Niņo, seismic events, subsidence, uplift, or changes in global sea level.