067
FZPQ50 PGUM 151953
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
553 AM ChST Fri Apr 16 2021

.SYNOPSIS...There will be a moderate risk of rip currents along north
and east facing reefs through tonight, then along all exposures
beginning Saturday.

$$

GUZ001>004-160900-
Guam-Rota-Tinian-Saipan-
553 AM ChST Fri Apr 16 2021

.TODAY AND TONIGHT (6 AM TO 6 AM SATURDAY)...
Coastal Winds............East at 5 to 15 mph.
Surf along North facing reefs............3 to 6 feet.
Surf along East  facing reefs............4 to 6 feet.
Surf along South facing reefs............1 to 3 feet.
Surf along West  facing reefs............1 to 3 feet.
Primary swell...............Northeast at 3 to 5 feet.
Primary period..............11 seconds.
Secondary swell...............Southwest at around 1 to 2 feet.
Secondary period..............10 seconds.

Rip current risk.....Moderate. Wave conditions support stronger or
                     more frequent rip currents. Always have a
                     flotation device with you in the water.

Sea surface temperature at Ritidian buoy...84 Degrees.
Maximum afternoon heat index...........Around 97.

.SATURDAY (6 AM TO 6 PM)...
Coastal Winds............East at 5 to 15 mph.
Surf along North facing reefs............3 to 5 feet.
Surf along East  facing reefs............4 to 6 feet.
Surf along South facing reefs............2 to 5 feet.
Surf along West  facing reefs............2 to 5 feet.
Primary swell...............Northeast at 3 to 5 feet.
Primary period..............11 seconds.
Secondary swell...............Southwest at around 3 feet.
Secondary period..............11 seconds.

Rip current risk.....Moderate. Wave conditions support stronger or
                     more frequent rip currents. Always have a
                     flotation device with you in the water.

Maximum afternoon heat index...........Around 98.

.OUTLOOK...Surf along south and west facing reefs will build further
on Sunday as distant swell from Tropical Storm Surigae arrives.

Tide information for the next 36 hours...

At Apra Harbor, Guam...
High tide  2.1 feet at  9:11 AM Friday
Low  tide  0.1 feet at  4:19 PM Friday
High tide  2.1 feet at 11:26 PM Friday
Low  tide  1.5 feet at  4:53 AM Saturday
High tide  2.0 feet at  9:40 AM Saturday
Low  tide  0.1 feet at  5:00 PM Saturday

At Rota Island...
High tide  2.0 feet at  9:08 AM Friday
Low  tide  0.1 feet at  4:13 PM Friday
High tide  2.0 feet at 11:23 PM Friday
Low  tide  1.4 feet at  4:47 AM Saturday
High tide  1.9 feet at  9:37 AM Saturday
Low  tide  0.1 feet at  4:54 PM Saturday

At Tinian Island...
High tide  1.5 feet at  8:14 AM Friday
Low  tide  0.1 feet at  3:54 PM Friday
High tide  1.4 feet at 12:14 AM Saturday
Low  tide  1.2 feet at  4:42 AM Saturday
High tide  1.5 feet at  8:38 AM Saturday
Low  tide  0.0 feet at  4:39 PM Saturday

At Tanapag Harbor, Saipan...
High tide  1.9 feet at  8:59 AM Friday
Low  tide  0.1 feet at  4:20 PM Friday
High tide  1.9 feet at 12:07 AM Saturday
Low  tide  1.5 feet at  4:51 AM Saturday
High tide  1.8 feet at  9:19 AM Saturday
Low  tide  0.1 feet at  5:03 PM Saturday

$$

Bukunt