Forecast of Potential for High Sea Level
In and Around Kahului Harbor, Maui
(see Description and Caution below)
Caution: The forecast above is experimental and no promise of accuracy is implied;
especially, the forecast is explicitly not accurate when either a tsunami or tropical
storm/hurricane warning is in effect. In these cases, see either tsunamis or
tropical storms/hurricanes for forecasts of oceanic and atmospheric conditions.
Red Line at Top - Indicates the sea level height that is exceeded by two percent of
the observed daily Higher High Waters (HHW description) based on
a 15-year historical record (excluding tsunamis).
Dark Blue Curve - Observed Sea Level at Kahului Hbr. for previous 3 days.
The measurement is relative to MLLW (Mean Low Low Water), a
well-defined reference level (NOAA datum description)
Cyan Curve - Forecast Sea Level at Kahului Hbr. for next 6 days. The forecast is
relative to MLLW, and includes tides plus multi-day sea level variations.
The forecast is updated every four hours.
Click here for additional information about both the plotted variables and