Oahu Koolau Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Special Statement
Issued: 6:04 PM HST May. 28, 2017 – National Weather Service

... Coastal flooding likely with King tides and elevated surf along
south facing shores...

Coastal flooding is likely through Memorial Day due to a
combination of elevated sea levels, seasonal King tides and a
declining south swell. The flooding is likely to be worst during
the evening high tides.

The following are the times for the predicted evening high tides
at Honolulu, which will correspond to coastal flooding impacts.
Be advised that observed tides have been running higher than these
predicted values.

5/28 today 6:46 PM 2.3 feet (south shore surf lowering)
5/29 Memorial Day 7:40 PM 2.1 feet (south shore surf lowering)

The combination of higher than normal sea levels and King tides
will cause coastal flooding along all shores. Although the high
surf advisory has been cancelled with surf falling below advisory
levels, be advised that the elevated surf will continue to
contribute to coastal flooding along south facing shores. Beaches
that normally remain dry during high surf events along south
shores could still flood during this event. Ocean water may also
inundate roads, docks, boat ramps and other near-shore
infrastructure.

The south swell and the King tides will gradually subside through
the middle of the week. Elevated sea levels are expected to
continue, so the flooding threat may be repeated during the times
of the highest tides over the next couple of months. A similar
period of high tides exceeding 2 feet is expected in mid to late
June, between June 21 and June 27.

Please visit the website tidesandcurrents.NOAA.Gov for more
information about water levels in your area.


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