EverHint - Strait of Hormuz Update — March 3, 2026 - Hormuz Traffic Slides as Risk Hits “Critical” — AIS-Off Transits, Spoofing, and a Tanker-Rate Shock

The Strait of Hormuz is not “officially closed” in the strict sense — but behavior is shifting as if the door is open and ships are choosing not to walk through it.

A recent regional update raised the threat posture to “critical” and framed the operating environment bluntly: all merchant vessels, regardless of flag, are at risk, and collateral damage remains high.

1) Traffic is still moving — but it’s collapsing fast

The most important signal right now is not headlines. It’s transit counts.

• Reported passages on Feb 28 were roughly ~100 ships (combined directions).
• That reportedly fell to about 18 ships on Mar 1 — with expectations of further decline.
• Some vessels are still transiting, but there are reports of ships going “dark” (AIS off) for the run, including at least one tanker cited as making the crossing at night.

Bottom line: the strait may be “open,” but volume is shrinking, and the remaining transits are increasingly risk-managed (or risk-accepted).

2) Confirmed attacks + growing infrastructure risk

The operating picture includes confirmed vessel attacks and port / infrastructure disruption:

• Multiple incidents were cited, including a vessel hit south of the strait and a crude carrier in the Gulf of Oman reportedly struck by an unmanned surface vessel.
• Additional incidents were described as “minor,” but the overall trend is escalation plus uncertainty.
• There were also reports of attacks affecting maritime infrastructure, including a major Saudi oil facility reportedly closed and targeting risk around a UAE pipeline corridor that provides an alternate outlet for Gulf crude.

3) Congestion is becoming its own hazard

As ships hesitate or hold, you get a second-order problem: anchorage and port congestion.

The comparison made was straightforward: when traffic piles up at chokepoints, it becomes:

• Easier to target
• Harder to protect
• More fragile operationally (delays, reroutes, disrupted schedules)

4) GPS/GNSS interference is a safety multiplier

Beyond missiles and drones, there’s another layer: electronic interference.

Reported spoofing/jamming can make ships appear to wander, loop, or “teleport” on tracking maps — but the real risk is navigational: wrong positions, groundings, and collision risk in already tense waters.

5) War-risk insurance is the quiet lever moving everything

The war-risk insurance mechanism described is simple but powerful:

• Traditional war-risk coverage through the strait was described around ~0.2% of vessel value pre-crisis, rising toward ~1% in the current environment.
• More important than the headline rate is the renewal / availability pressure: insurers can influence behavior by signaling that future coverage may be re-priced, restricted, or withheld.

On top of that, crews transiting designated high-risk zones may require danger pay, adding another cost layer.

6) Market impact: freight surcharges + tanker rates in “uncharted territory”

When chokepoints stress, pricing reacts fast:

• Container shipping saw emergency surcharges cited (including per-box and higher charges for refrigerated containers).
• Tanker markets are reacting violently: reported VLCC daily rates moved from roughly $50,000/day (months ago) to $420,000+/day now, with talk of even higher prints.

The logic is classic: perceived risk + constrained effective capacity = rate shock.

What Carlo (EverHint) is watching next

• Daily transit counts (directional + total) rather than narrative claims of “open/closed”
• AIS-off behavior becoming normalized (a risk signal on its own)
• Insurance renewal windows and any tightening of coverage availability
• Port congestion snapshots (queues are stress you can measure)
• Any indication of mining activity (widely framed as a major escalation)

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Market analysis based on publicly available financial news and data as of March 3, 2026 (PT).