Special Marine Warning Issued for Big Island Windward and Southeast Waters

Weather Alerts high NOAA · · Big Island Waters, Hawaii

The National Weather Service has issued a Special Marine Warning for Big Island waters until 10:45 AM HST due to 40-knot wind gusts and hazardous sea conditions.

Alert Details

The National Weather Service in Honolulu HI has issued a Special Marine Warning for maritime regions surrounding the Big Island. The alert is classified as having severe severity and requiring immediate action by those in the affected areas.

Affected Areas

The warning specifically covers:

  • Big Island Southeast Waters
  • Big Island Windward Waters

Impacted locations include Hilo Harbor, Cape Kumukahi, and FAD Buoys A, HK, E, D, G, and SS.

What You Should Do

Mariners and residents in the warning area should prepare for gusty winds, steep and fast-building seas, and blinding downpours. The NWS advises boaters to stay low or go below deck and ensure that everyone on board is wearing a life jacket. Small craft should seek safe harbor as they could be damaged in briefly higher winds and suddenly higher waves.

Expected Conditions

At 8:39 AM HST, radar indicated showers located along a line extending from 6 nautical miles southwest of South Point to near Isaac Hale Beach Park, moving north at 15 knots. The primary hazard identified is wind gusts reaching up to 40 knots. These conditions are expected to create steep, fast-building seas and reduced visibility during downpours.

Timeline

The warning was issued at 8:40 AM HST on March 13, 2026, and is currently scheduled to expire at 10:45 AM HST on the same day.

Source: NOAA Official Notice

Frequently Asked Questions

What is this weather alerts alert about?
The National Weather Service has issued a Special Marine Warning for Big Island waters until 10:45 AM HST due to 40-knot wind gusts and hazardous sea conditions.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Big Island Waters, Hawaii. Check with NOAA for the most current geographic scope.
Where can I find more weather alerts alerts?
Browse all weather alerts alerts on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.