Special Marine Warning Issued for Big Island Windward and Southeast Waters
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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.
What this NWS weather alert tells you, and what most readers miss
This notice was issued by NOAA on March 28, 2026 and geographically references Big Island Waters, Hawaii. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Special Marine Warning, Big Island) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.
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.
Original source: NOAA Official Notice ↗
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