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Tropical Storm Fernanda, Greg, 9-E, King Tides Update

July 21, 2017, 3:44 PM HST
* Updated July 21, 3:52 PM
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TS Fernanda

The National Weather Service issued an update on Tropical Storm Fernanda, high surf and King Tides on Friday, July 21, at 3 p.m.

TS Fernanda is located about 705 miles east of Hilo moving WNW at approximately 12 mph. Fernanda was located near latitude 18.6 N and longitude 143.6 W at 4:50 a.m. this morning. The Big Island is located at 155 W longitude.

TS Fernanda continues to weaken and is expected to become a tropical depression by tonight.

At this time, maximum sustained winds are near 45 mph with higher gusts.


King Tides


In addition, the National Weather Service reports large storm swells and unusually high tides may cause dangerous surf and flooding conditions along east facing shores of Hawai‘i Island through the weekend.

Because of the King Tide forecast and large storm swells from Fernanda, the following precautions should be taken:

  • Oceanfront residents, beachgoers and boat owners along east-facing shores are advised to be on the alert for high surf, strong currents and flooding.
  • As a precaution, consider postponing ocean activities until these hazards are over.
  • Special caution to the coastal areas of Kapoho during the high tide periods of mid- to late-afternoon hours.

TS Greg


Tropical Storm Greg is centered near latitude 14.9 N and longitude 120.7 W,  780 miles SW of the southern tip of the Baja Peninsula today, moving WNW at about 10 mph.

TS Greg is forecast to begin slowly intensifying on Saturday with peak intensity expected to remain below hurricane strength on Sunday.

TD Nine-E

Tropical Depression Nine-E is centered near 9.0 N latitude and 94.7W longitude, about
420 nm SSE of Puerto Angel, Mexico, moving W at 13 mph. Estimated
minimum central pressure is 1008 mb.

Environmental conditions are favorable for additional strengthening and the system could become a tropical storm overnight.

Should any threat develop, this website will be updated.

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