Surf Forecast
Issued by NWS Tiyan, Guam

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FZPQ50 PGUM 052005
SRFGUM

Surf Zone Forecast for the Mariana Islands
National Weather Service Tiyan GU
605 AM ChST Fri Dec 6 2019

.SYNOPSIS...There will be a high risk of rip currents along east
facing reefs of the Marianas through Sunday, when it will diminish to
moderate. Otherwise, the risk of rip currents will be low to
moderate. There will be a moderate risk of lightning starting Sunday.

$$

GUZ001>004-061115-
Guam-Rota-Tinian-Saipan-
605 AM ChST Fri Dec 6 2019

...HIGH RISK OF RIP CURRENTS THROUGH SUNDAY AFTERNOON ALONG EAST
FACING REEFS...

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

.TODAY THROUGH SATURDAY (6 AM TO 6 PM SATURDAY)...
Coastal Winds............East at 10 to 20 mph.
Surf along North facing reefs............3 to 5 feet.
Surf along East  facing reefs............7 to 9 feet.
Surf along South facing reefs............3 to 5 feet.
Surf along West  facing reefs............1 to 3 feet.
Primary swell...............East at 5 to 7 feet.
Primary period..............10 seconds.
Secondary swell...............Northwest at around 2 feet.
Secondary period..............11 seconds.

Rip current risk.....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.

Sea surface temperature at Tanapag buoy...83 Degrees.
Maximum afternoon heat index...........Around 97.

.OUTLOOK...Little change through Sunday. Surf will then diminish on
east facing reefs Sunday night.

Tide information for the next 36 hours...

At Apra Harbor, Guam...
Low  tide  0.7 feet at  8:44 AM Friday
High tide  2.3 feet at  3:42 PM Friday
Low  tide  0.8 feet at 10:30 PM Friday
High tide  1.7 feet at  4:06 AM Saturday
Low  tide  0.9 feet at  9:40 AM Saturday
High tide  2.3 feet at  4:13 PM Saturday

At Rota Island...
Low  tide  0.7 feet at  8:38 AM Friday
High tide  2.2 feet at  3:39 PM Friday
Low  tide  0.8 feet at 10:24 PM Friday
High tide  1.6 feet at  4:03 AM Saturday
Low  tide  0.8 feet at  9:34 AM Saturday
High tide  2.2 feet at  4:10 PM Saturday

At Tinian Island...
Low  tide  0.2 feet at  8:21 AM Friday
High tide  1.7 feet at  3:40 PM Friday
Low  tide  0.3 feet at 10:07 PM Friday
High tide  1.2 feet at  4:04 AM Saturday
Low  tide  0.3 feet at  9:17 AM Saturday
High tide  1.7 feet at  4:11 PM Saturday

At Tanapag Harbor, Saipan...
Low  tide  0.7 feet at  8:51 AM Friday
High tide  2.0 feet at  4:02 PM Friday
Low  tide  0.8 feet at 10:52 PM Friday
High tide  1.4 feet at  4:43 AM Saturday
Low  tide  0.9 feet at  9:44 AM Saturday
High tide  2.1 feet at  4:28 PM Saturday

$$



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