https://api.weather.gov/alerts/active.atom?zone=PMZ153
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OK(Last completed=2025-08-02 21:42:10 UTC, highest timestamp=2025-07-30 03:16:00 UTC)
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| Timestamp | Entry |
|---|---|
| 2025-07-30T03:18:13.175 |
Marine Weather Statement issued July 30 at 1:16PM ChST by NWS Tiyan GU
At 925 ChST a magnitude 8.7 earhquake occurred at 52.2 North latitude, 160.0 longitude, at a depth of 46 miles, rougly 320 miles east of the tip of the Kamchatka Peninsula in Russia. TSUNAMI WAVES HAVE ALREADY BEEN DETECTED by the DART buoys in the northern Pacific! HAZARD...Tsunami waves of 0.3 meters to 1 meter in height, or up to 3.3 feet in height. POTENTIAL IMPACTS * Atsunami is a series of waves. The time between wave crests can vary from 5 minutes to an hour. The hazard may persist for many hours or longer after the initial wave. * Impacts can vary significantly from one section of the coast to the next due to local bathymetry and the shape and elevation of the shoreline. * Impacts can also vary depending upton the state of the tide at the time of maximum tsunami waves. * Persons caught in the water of a tsunami may drown, be crushed by debris in the water, or be swept out to sea. Stay out of the water! * Minor flooding could occur on beaches and in harbor areas. * Strong and unusual ocean currents will be possible in harbors, bays, and other near-shore waters. PRECAUTIONARY/PREPAREDNESS ACTIONS Continue to listen for updates regarding changes to the advisory status from the National Weather Service Guam and local Emergency Management Offices. Updated texts and threat messages can be found at tsunami.gov
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<published>2025-07-30T13:16:00+10:00</published>
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<title>Marine Weather Statement issued July 30 at 1:16PM ChST by NWS Tiyan GU</title>
<summary>At 925 ChST a magnitude 8.7 earhquake occurred at 52.2 North
latitude, 160.0 longitude, at a depth of 46 miles, rougly 320 miles
east of the tip of the Kamchatka Peninsula in Russia.
TSUNAMI WAVES HAVE ALREADY BEEN DETECTED by the DART buoys in the
northern Pacific!
HAZARD...Tsunami waves of 0.3 meters to 1 meter in height, or up to
3.3 feet in height.
POTENTIAL IMPACTS
* Atsunami is a series of waves. The time between wave crests can
vary from 5 minutes to an hour. The hazard may persist for many
hours or longer after the initial wave.
* Impacts can vary significantly from one section of the coast to
the next due to local bathymetry and the shape and elevation of
the shoreline.
* Impacts can also vary depending upton the state of the tide at the
time of maximum tsunami waves.
* Persons caught in the water of a tsunami may drown, be crushed by
debris in the water, or be swept out to sea. Stay out of the water!
* Minor flooding could occur on beaches and in harbor areas.
* Strong and unusual ocean currents will be possible in harbors,
bays, and other near-shore waters.
PRECAUTIONARY/PREPAREDNESS ACTIONS
Continue to listen for updates regarding changes to the advisory
status from the National Weather Service Guam and local Emergency
Management Offices. Updated texts and threat messages can be found
at tsunami.gov</summary>
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|
| 2025-07-27T19:19:40.196 |
Small Craft Advisory issued July 28 at 5:17AM ChST until July 28 at 6:00PM ChST by NWS Tiyan GU
* WHAT...Seas 8 to 10 feet.. * WHERE...Rota, Tinian and Saipan Coastal Waters. * WHEN...Until 6 PM ChST this evening. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Newly upgraded Typhoon Krosa continues to move away from the region to the north, still inducing stronger southwesterlies across the area today, but winds are likely to diminish soon after once a ridge sets in. Conditions will begin to improve from south to north across the Marianas as TY Krosa and the southwesterly monsoon flow gradually lift north.
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* WHERE...Rota, Tinian and Saipan Coastal Waters.
* WHEN...Until 6 PM ChST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Newly upgraded Typhoon Krosa continues to move
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southwesterlies across the area today, but winds are likely to
diminish soon after once a ridge sets in. Conditions will begin to
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"updated": "2025-07-28T05:17:00+10:00",
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"author": {"name": "NWS"},
"title": "Small Craft Advisory issued July 28 at 5:17AM ChST until July 28 at 6:00PM ChST by NWS Tiyan GU",
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| 2025-07-27T06:33:10.213 |
Small Craft Advisory issued July 27 at 4:30PM ChST until July 28 at 6:00PM ChST by NWS Tiyan GU
* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 11 feet. * WHERE...Rota, Tinian and Saipan Coastal Waters. * WHEN...Until 6 PM ChST Monday. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL DETAILS...Tropical Storm Krosa is currently near the far northern Marianas and continues to induce a monsoon surge over Guam and the southern CNMI. Conditions will begin to improve early this week from south to north across the Marianas as TS Krosa and the monsoon surge gradually lift north.
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