832
FZPQ50 PGUM 211924
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
524 AM ChST Thu Apr 22 2021

.SYNOPSIS...West swell will maintain hazardous surf and a high risk
of rip currents along west facing reefs. Surf along north facing
reefs has fallen below hazardous levels.

$$

GUZ001>004-220900-
Guam-Rota-Tinian-Saipan-
524 AM ChST Thu Apr 22 2021

...HIGH SURF ADVISORY IN EFFECT UNTIL 7 AM SATURDAY ALONG WEST FACING
REEFS...
...SURF NO LONGER HAZARDOUS ALONG NORTH FACING REEFS...

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

.TODAY THROUGH FRIDAY (6 AM TO 6 PM FRIDAY)...
Coastal Winds............Light and variable.
Surf along North facing reefs............5 to 7 feet.
Surf along East  facing reefs............4 to 6 feet.
Surf along South facing reefs............3 to 5 feet.
Surf along West  facing reefs............6 to 9 feet.
Primary swell...............West at 5 to 6 feet.
Primary period..............14 seconds.
Secondary swell...............East around 3 feet.
Secondary period..............10 seconds.

Rip current risk.....High. Pounding surf will produce
                     life threatening rip currents at
                     reefs and beaches.

Sea surface temperature at Ritidian buoy...84 Degrees.
Maximum afternoon heat index...........Around 94.

.OUTLOOK...Little change expected Saturday, however, west swell could
fall another foot Friday or Saturday, briefly bringing surf along
west facing reefs below hazardous levels of 9 feet before another
increase late in the weekend.

Tide information for the next 36 hours...

At Apra Harbor, Guam...
Low  tide  1.5 feet at 10:13 AM Thursday
High tide  2.0 feet at  2:45 PM Thursday
Low  tide  0.2 feet at  9:52 PM Thursday
High tide  2.4 feet at  5:12 AM Friday
Low  tide  1.3 feet at 11:01 AM Friday
High tide  2.1 feet at  4:07 PM Friday

At Rota Island...
Low  tide  1.4 feet at 10:07 AM Thursday
High tide  1.8 feet at  2:42 PM Thursday
Low  tide  0.2 feet at  9:46 PM Thursday
High tide  2.2 feet at  5:09 AM Friday
Low  tide  1.2 feet at 10:55 AM Friday
High tide  2.0 feet at  4:04 PM Friday

At Tinian Island...
Low  tide  1.2 feet at  9:47 AM Thursday
High tide  1.5 feet at  2:07 PM Thursday
Low  tide  0.1 feet at  9:31 PM Thursday
High tide  1.6 feet at  4:56 AM Friday
Low  tide  1.0 feet at 10:29 AM Friday
High tide  1.5 feet at  3:25 PM Friday

At Tanapag Harbor, Saipan...
Low  tide  1.3 feet at 10:32 AM Thursday
High tide  1.6 feet at  2:43 PM Thursday
Low  tide  0.1 feet at  9:58 PM Thursday
High tide  2.2 feet at  5:21 AM Friday
Low  tide  1.1 feet at 11:07 AM Friday
High tide  1.7 feet at  4:18 PM Friday

$$