Tongass Narrows Tide Gauge at Ketchikan (MLLW datum)
Stage at this gauge is reported MLLW datum.
Flood levels
Official flood levels at this gauge: action stage begins at 20.0 ft; minor flooding begins at 21.0 ft; moderate flooding begins at 22.0 ft; major flooding begins at 22.5 ft.
| Action stage | 20.0 ft |
|---|---|
| Minor flooding | 21.0 ft |
| Moderate flooding | 22.0 ft |
| Major flooding | 22.5 ft |
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 21.0 ft | Small parking lot on Stedman Street and Salvation Army floods. |
|---|---|
| 22.0 ft | "Face" of crusie ship berths 1 & 2 floods along with a portion of Stedman Street near the Ketchikan Creek Bridge. |
| 22.5 ft | Mill Street, Steadman Street and half of cruise ship berths 1 & 2 are flooded. |
Forecast office: NWS Juneau · River Forecast Center: Alaska Pacific River Forecast Center.
A NOAA tide station shares this spot: Ketchikan, with tide predictions and official flood levels.
Tongass Narrows Tide Gauge at Ketchikan (MLLW datum) in your pocket
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Nearby stations and gauges
- Ketchikan NOAA tide station · 0.1 mi
- Ketchikan Creek at Ketchikan Powerhouse near Ketchikan NWS gauge · 0.8 mi
- Fawn Lake above Fawn Lake Dam near Ketchikan NWS gauge · 1.2 mi
- Lower Ketchikan Lake above Ketchikan Lake Dam near Ketchikan NWS gauge · 1.9 mi
- Government Creek near Ketchikan NWS gauge · 3.0 mi
- Carlanna Lake above Carlanna Lake Dam near Ketchikan NWS gauge · 3.6 mi