Surf Forecast
Issued by NWS Tiyan, Guam

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FZPQ50 PGUM 170802
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
602 PM ChST Mon Feb 17 2020

.SYNOPSIS...Hazardous surf will linger along east facing reefs
tonight then drop below hazardous levels Tuesday morning. The high
risk of rip currents will linger along north and east facing reefs
until Thursday morning.

$$

GUZ001>004-172100-
Guam-Rota-Tinian-Saipan-
602 PM ChST Mon Feb 17 2020

...HIGH SURF ADVISORY IN EFFECT UNTIL TUESDAY MORNING ALONG EAST
FACING REEFS...
...HIGH RISK OF RIP CURRENTS EXPECTED UNTIL THURSDAY MORNING ALONG
NORTH AND EAST FACING REEFS...

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

.TONIGHT (6 PM TO 6 AM TUESDAY)...
Coastal Winds............Breezy. East at 10 to 25 mph.
Surf along North facing reefs............6 to 8 feet.
Surf along East  facing reefs............10 to 12 feet.
Surf along South facing reefs............4 to 6 feet.
Surf along West  facing reefs............2 to 4 feet.
Primary swell...............East at 7 to 9 feet.
Primary period..............10 seconds.
Secondary swell...............North around 2 feet.
Secondary period..............12 seconds.

Rip current risk.....High. Pounding surf will produce life
                     threatening rip currents at reefs and
 beaches.
Sea surface temperature at Ipan buoy...81 Degrees.


.TUESDAY (6 AM TO 6 PM)...
Coastal Winds............Northeast at 15 to 20 mph.
Surf along North facing reefs............5 to 7 feet.
Surf along East  facing reefs............9 to 11 feet.
Surf along South facing reefs............3 to 5 feet.
Surf along West  facing reefs............1 to 3 feet.
Primary swell...............East at 6 to 8 feet.
Primary period..............10 seconds.

Maximum afternoon heat index...........Around 94.


.TUESDAY NIGHT (6 PM TO 6 AM WEDNESDAY)...
Coastal Winds............Northeast at 15 to 20 mph.
Surf along North facing reefs............4 to 6 feet.
Surf along East  facing reefs............8 to 10 feet.
Surf along South facing reefs............2 to 4 feet.
Surf along West  facing reefs............1 to 2 feet.
Primary swell...............East at 5 to 7 feet.
Primary period..............10 seconds.

Rip current risk Tuesday and Tuesday night.....High. 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.

.OUTLOOK...Surf along north and east facing reefs will rise 1 to 2
feet on Wednesday night. Little change elsewhere.

Tide information for the next 36 hours...

At Apra Harbor, Guam...
Low  tide -0.1 feet at  9:33 PM Monday
High tide  1.8 feet at  5:09 AM Tuesday
Low  tide  1.4 feet at  9:47 AM Tuesday
High tide  2.0 feet at  2:52 PM Tuesday
Low  tide -0.3 feet at 10:36 PM Tuesday
High tide  1.9 feet at  6:14 AM Wednesday
Low  tide  1.4 feet at 11:10 AM Wednesday

At Rota Island...
Low  tide -0.1 feet at  9:27 PM Monday
High tide  1.7 feet at  5:06 AM Tuesday
Low  tide  1.3 feet at  9:41 AM Tuesday
High tide  1.9 feet at  2:49 PM Tuesday
Low  tide -0.2 feet at 10:30 PM Tuesday
High tide  1.8 feet at  6:11 AM Wednesday
Low  tide  1.3 feet at 11:04 AM Wednesday

At Tinian Island...
Low  tide -0.1 feet at  9:10 PM Monday
High tide  1.3 feet at  5:07 AM Tuesday
Low  tide  0.5 feet at  9:24 AM Tuesday
High tide  1.5 feet at  2:50 PM Tuesday
Low  tide -0.1 feet at 10:13 PM Tuesday
High tide  1.4 feet at  6:12 AM Wednesday
Low  tide  0.5 feet at 10:47 AM Wednesday

At Tanapag Harbor, Saipan...
Low  tide -0.0 feet at  9:45 PM Monday
High tide  2.0 feet at  5:31 AM Tuesday
Low  tide  1.5 feet at 10:10 AM Tuesday
High tide  2.0 feet at  2:56 PM Tuesday
Low  tide -0.1 feet at 10:42 PM Tuesday
High tide  2.1 feet at  6:26 AM Wednesday
Low  tide  1.5 feet at 11:17 AM Wednesday

$$


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