541
FZPQ50 PGUM 040608
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
408 PM ChST Wed Jun 4 2025

.DISCUSSION...A moderate risk of rip currents is expected along
east facing reefs for much of the week. A moderate risk of lightning
is expected through this weekend.

$$

GUZ001-MPZ001>003-042115-
Guam-Rota-Tinian-Saipan-
408 PM ChST Wed Jun 4 2025

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

.TONIGHT...
Rip Current Risk.....Moderate *.
Surf Height
      North facing reefs............2 to 4 feet.
      East  facing reefs............3 to 5 feet.
      South facing reefs............1 to 2 feet.
      West  facing reefs............Around 1 foot.
Swell/Period
      Primary swell................East at 3 to 4 feet.
      Primary period...............8 seconds.
Water Temperature
      Ritidian buoy..........85 Degrees.
Winds...............Southeast at 10 to 15 mph.

.THURSDAY...
Rip Current Risk.....Moderate *.
Surf Height
      North facing reefs............2 to 4 feet.
      East  facing reefs............3 to 5 feet.
      South facing reefs............1 to 2 feet.
      West  facing reefs............Around 1 foot.
Swell/Period
      Primary swell................East at 3 to 4 feet.
      Primary period...............8 seconds.
Max Heat Index.........Around 99.
Winds...............Southeast at 10 to 15 mph.

.THURSDAY NIGHT...
Rip Current Risk.....Moderate *.
Surf Height
      North facing reefs............2 to 4 feet.
      East  facing reefs............3 to 5 feet.
      South facing reefs............1 to 2 feet.
      West  facing reefs............Around 1 foot.
Swell/Period
      Primary swell................East at 2 to 4 feet.
      Primary period...............8 seconds.
Winds...............Southeast at 10 to 15 mph.


Tide information for the next 36 hours...

At Apra Harbor, Guam...
Low  tide  0.9 feet at  8:30 PM Wednesday
High tide  2.5 feet at  3:24 AM Thursday
Low  tide  1.0 feet at 10:12 AM Thursday
High tide  1.9 feet at  4:06 PM Thursday
Low  tide  1.2 feet at  9:18 PM Thursday
High tide  2.4 feet at  3:48 AM Friday

At Rota Island...
Low  tide  0.9 feet at  8:24 PM Wednesday
High tide  2.3 feet at  3:21 AM Thursday
Low  tide  0.9 feet at 10:06 AM Thursday
High tide  1.7 feet at  4:03 PM Thursday
Low  tide  1.1 feet at  9:12 PM Thursday
High tide  2.3 feet at  3:45 AM Friday

At Tinian Island...
Low  tide  0.6 feet at  7:54 PM Wednesday
High tide  1.7 feet at  2:48 AM Thursday
Low  tide  0.6 feet at  9:54 AM Thursday
High tide  1.2 feet at  3:30 PM Thursday
Low  tide  0.8 feet at  8:42 PM Thursday
High tide  1.7 feet at  3:06 AM Friday

At Tanapag Harbor, Saipan...
Low  tide  0.7 feet at  8:31 PM Wednesday
High tide  2.1 feet at  3:31 AM Thursday
Low  tide  0.7 feet at 10:30 AM Thursday
High tide  1.4 feet at  4:31 PM Thursday
Low  tide  1.0 feet at  9:16 PM Thursday
High tide  2.1 feet at  3:55 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. If caught in a
rip current, swim parallel to the beach rather than against the
current.

$$