Saipan Municipality, MP
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Saturday 04/18 5:28 PM GMT+10 – Sunday 04/19 11:00 AM GMT+10
Issued by NWS Tiyan GU
Updated expiration times.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST MONDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE SUNDAY NIGHT... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 AM CHST SUNDAY...
What
Large breaking waves of 10 to 14 feet and dangerous rip currents. Minor coastal flooding of 1 to 2 feet expected.
Where
South, west, and north facing reefs and shorelines of Tinian and Saipan.
When
For the Coastal Flood Advisory, until 11 AM ChST Sunday. For the High Surf Advisory and High Rip Current Risk, until 5 AM ChST Monday.
Impacts
Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional Details
As Typhoon Sinlaku continues to move away, the primary swell and highest surf will be northwest. Seas and surf will be slow to subside over the next couple of days.
What to do
Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas impacted
- Tinian
- Saipan
Tips to stay safe
A Flood Advisory is issued when flooding may cause significant inconvenience, or even become dangerous if you are not careful. Know your risk at home, work and school, and use caution when flooding is expected.
- Be aware of low-lying areas along your travel routes that are most likely to flood.
- Check road conditions before traveling, and obey road closures and barricades.
- Never walk, swim, or drive through flood waters.
- Stay tuned for local weather updates on the situation as it develops.
In effect from Saturday 04/18 5:28 PM GMT+10 – Monday 04/20 5:00 AM GMT+10
Issued by NWS Tiyan GU
Updated expiration times.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST MONDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE SUNDAY NIGHT... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 AM CHST SUNDAY...
What
Large breaking waves of 10 to 14 feet and dangerous rip currents. Minor coastal flooding of 1 to 2 feet expected.
Where
South, west, and north facing reefs and shorelines of Tinian and Saipan.
When
For the Coastal Flood Advisory, until 11 AM ChST Sunday. For the High Surf Advisory and High Rip Current Risk, until 5 AM ChST Monday.
Impacts
Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional Details
As Typhoon Sinlaku continues to move away, the primary swell and highest surf will be northwest. Seas and surf will be slow to subside over the next couple of days.
What to do
Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas impacted
- Tinian
- Saipan
Tips to stay safe
A High Surf Advisory means that breaking waves could result in dangerous conditions.
- Very strong waves could be dangerous to anyone in the water and along the shore.
- Always stay near lifeguards.
- Stay off of rocks or jetties where large waves could pop up suddenly.
In effect from Saturday 04/18 5:28 PM GMT+10 – Monday 04/20 5:00 AM GMT+10
Issued by NWS Tiyan GU
Updated expiration times.
...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST MONDAY... ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE SUNDAY NIGHT... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 AM CHST SUNDAY...
What
Large breaking waves of 10 to 14 feet and dangerous rip currents. Minor coastal flooding of 1 to 2 feet expected.
Where
South, west, and north facing reefs and shorelines of Tinian and Saipan.
When
For the Coastal Flood Advisory, until 11 AM ChST Sunday. For the High Surf Advisory and High Rip Current Risk, until 5 AM ChST Monday.
Impacts
Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.
Additional Details
As Typhoon Sinlaku continues to move away, the primary swell and highest surf will be northwest. Seas and surf will be slow to subside over the next couple of days.
What to do
Rip currents will be life threatening. Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Rip currents will be life threatening. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Areas impacted
- Tinian
- Saipan
Tips to stay safe
Rip currents may create dangerous swimming conditions in the area.
- If you enter the water, always have a flotation device with you and swim near a lifeguard.
- Keep small children in sight and within arm’s reach at all times.
- If caught in a rip current, relax and float. Don’t swim against the current. If able, swim parallel to the shoreline.
Briefing
From the forecaster
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