199
FZPQ50 PGUM 060537
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
337 PM ChST Wed Aug 6 2025

.DISCUSSION...A low risk of rip currents will continue along all
reefs of the Marianas through the end of the week. A slight increase
in trade swell late in the weekend may increase surf along east facing
reefs by a foot or so, increasing the risk of rip currents there to
moderate.

$$

GUZ001-MPZ001>003-062045-
Guam-Rota-Tinian-Saipan-
337 PM ChST Wed Aug 6 2025

36 hour Surf Zone Forecast for the Marianas from 600 PM Wednesday
through 600 AM Friday

.TONIGHT...
Rip Current Risk.....Low *.
Surf Height
      North facing reefs............1 to 3 feet.
      East  facing reefs............2 to 4 feet.
      South facing reefs............1 to 3 feet.
      West  facing reefs............1 to 3 feet.
Swell/Period
      Primary swell................East at around 3 feet.
      Primary period...............8 seconds.
Water Temperature
      Ritidian buoy..........86 Degrees.
Winds...............Light and variable.

.THURSDAY...
Rip Current Risk.....Low *.
Surf Height
      North facing reefs............1 to 3 feet.
      East  facing reefs............2 to 4 feet.
      South facing reefs............1 to 3 feet.
      West  facing reefs............1 to 3 feet.
Swell/Period
      Primary swell................East at around 3 feet.
      Primary period...............8 seconds.
Max Heat Index.........Around 99.
Winds...............Light and variable.

.THURSDAY NIGHT...
Rip Current Risk.....Low *.
Surf Height
      North facing reefs............1 to 3 feet.
      East  facing reefs............2 to 4 feet.
      South facing reefs............1 to 3 feet.
      West  facing reefs............Around 1 foot.
Swell/Period
      Primary swell................East around 3 feet.
      Primary period...............8 seconds.
Winds...............Light and variable.


Tide information for the next 36 hours...

At Apra Harbor, Guam...
High tide  2.3 feet at  7:23 PM Wednesday
Low  tide  1.8 feet at 12:12 AM Thursday
High tide  2.3 feet at  4:55 AM Thursday
Low  tide -0.1 feet at 12:25 PM Thursday
High tide  2.4 feet at  7:54 PM Thursday
Low  tide  1.8 feet at 12:54 AM Friday

At Rota Island...
High tide  2.2 feet at  7:20 PM Wednesday
Low  tide  1.7 feet at 12:06 AM Thursday
High tide  2.2 feet at  4:52 AM Thursday
Low  tide -0.1 feet at 12:19 PM Thursday
High tide  2.2 feet at  7:51 PM Thursday
Low  tide  1.7 feet at 12:48 AM Friday

At Tinian Island...
High tide  1.5 feet at  7:29 PM Wednesday
Low  tide  1.4 feet at 10:54 PM Wednesday
High tide  1.7 feet at  3:40 AM Thursday
Low  tide -0.2 feet at 12:03 PM Thursday
High tide  1.6 feet at  7:59 PM Thursday
Low  tide  1.4 feet at 11:42 PM Thursday

At Tanapag Harbor, Saipan...
High tide  2.0 feet at  7:56 PM Wednesday
Low  tide  1.7 feet at 11:30 PM Wednesday
High tide  2.1 feet at  4:32 AM Thursday
Low  tide -0.2 feet at 12:29 PM Thursday
High tide  2.0 feet at  8:25 PM Thursday
Low  tide  1.7 feet at 12:31 AM Friday

* Low Risk of rip currents - Strong currents can still occur near
jetties and reef channels. Always have a flotation device with you
in the water.

Moderate Risk of rip currents - Wave conditions support stronger or
more frequent rip currents. Always have a flotation device with you
in the water.

High Risk of rip currents - Large waves will produce strong rip
currents, especially along narrow reefs and beaches. Rip currents
will be life threatening. If caught in a rip current, swim parallel
to the beach rather than against the current.

$$