Alert archive / Hawaii / High Surf Advisories in 2018

High Surf Advisory 7, NWS Honolulu, HI

January 30, 2018Honolulu County, Kauai County, Kalawao County, Hawaii

NWS Honolulu, HI issued this high surf advisory at Jan 30, 2018, 8:16 AM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued: Jan 30, 2018, 8:16 AM HST (18:16 UTC)
Expired: Jan 31, 2018, 3:33 AM HST
In force: 19 hr
Issued by: NWS Honolulu, HI

Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI

The radar

The Molokai radar (PHMO), 116 km from the middle of the area, began a volume at 18:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Honolulu, HI wrote its last area forecast discussion before this high surf advisory went out at Jan 30, 4:10 AM HST, 4 hours 6 minutes earlier.

Area forecast discussion, Jan 30, 4:10 AM HST, 4 hours 6 minutes before

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The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 29, 3:37 PM HST	Small Craft Advisory	HFO		42 hr
Jan 30, 3:07 AM HST	High Wind Watch	HFO	Hawaii	12 hr
Jan 30, 3:07 AM HST	Wind Advisory	HFO	Hawaii	12 hr
Jan 30, 12:56 PM HST	Special Marine Warning	HFO		2 hr

Nearby

High Surf Advisories in Hawaii, 2018 Every high surf advisory in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.