TideAhead
GuamGNIS Populated PlaceTides: NOAA 1631428

Marianas Terrace Tides & Coastal Conditions

Weather, marine-model context, and astronomy use the official place coordinate. Tide predictions use the nearest official NOAA tide-prediction station within 30 miles.

Exactly Where This Tide Chart Comes From

These are official NOAA predictions for Pago Bay, Guam (station 1631428), 9.7 miles from the official coordinate for Marianas Terrace. TideAhead does not claim this is a sensor reading or an interpolated prediction at the city coordinate. Place identity and coordinates come from the U.S. Geological Survey GNIS Populated Places.

All official layers availableUpdated 3:13 PM GMT+10

Current Conditions

Tides are NOAA predictions for Pago Bay, Guam, 9.7 miles away; weather uses the place coordinate. NWS point and marine-grid forecasts can differ at exposed shorelines.

Estimated tide now
0.1ft
rising · Station 1631428
Next high tide
8:09 PM
Wed, Aug 121.7 ft
Next low tide
12:53 AM
Thu, Aug 131.2 ft
Current Weather
86°F

Clear

Observed

WSW 20 mph

Model
Tide Forecast
NOAA Pago Bay, Guam · Station 1631428 · MLLW datum · local time
Official source station 9.7 mi from the place coordinate · no city-coordinate tide interpolation
currentOfficial NOAA curve
-2 ft-0.8 ft0.5 ft1.8 ft3 ft1.7 ft1.2 ft1.9 ft-0.4 ft1.7 ft1.1 ft1.8 ft-0.2 ftWed, Aug 123:00 PMThu, Aug 133:00 AMThu, Aug 133:00 PMFri, Aug 143:00 AMFri, Aug 143:00 PM
Official NOAA predicted heights relative to MLLW. Times are shown in the place's local timezone.

Weather, Light & Marine

Conditions that affect shoreline access, small craft, fishing and surf.

Air

Temperature86°FModel

Humidity78%Model

PressureUnavailable

Wind

SustainedWSW 20 mphModel

Gusts24 mphModel

Rain chance14%Model

Marine

Wave height0.0 ftModel

DirectionCalm / No DirectionModel

Water87.3°FObservedNOAA Apra Harbor, Guam · 17.2 mi Away
Sun & Moon

Sunrise6:07 AM

Sunset6:44 PM

MoonWaning Crescent

Hourly Forecast
Model
National Weather Service point forecast when the live feed is available.
Local date & timeConditionsTempWindGustsRain
Wed, Aug 12, 20263:00 PMIsolated Rain Showers86°FWSW 20 mph24 mph14%
Wed, Aug 12, 20264:00 PMIsolated Rain Showers85°FWSW 20 mph23 mph14%
Wed, Aug 12, 20265:00 PMIsolated Rain Showers85°FWSW 15 mph21 mph14%
Wed, Aug 12, 20266:00 PMIsolated Rain Showers84°FWSW 15 mph18 mph9%
Wed, Aug 12, 20267:00 PMIsolated Rain Showers83°FWSW 15 mph17 mph9%
Wed, Aug 12, 20268:00 PMIsolated Rain Showers82°FWSW 15 mph16 mph9%
Wed, Aug 12, 20269:00 PMIsolated Rain Showers81°FWSW 15 mph16 mph9%
Wed, Aug 12, 202610:00 PMIsolated Rain Showers80°FWSW 15 mph15 mph9%
Wed, Aug 12, 202611:00 PMIsolated Rain Showers80°FWSW 10 mph15 mph9%
Thu, Aug 13, 202612:00 AMIsolated Rain Showers79°FWSW 10 mph15 mph9%
Thu, Aug 13, 20261:00 AMIsolated Rain Showers78°FWSW 10 mph15 mph9%
Thu, Aug 13, 20262:00 AMIsolated Rain Showers77°FWSW 10 mph14 mph9%

Fishing, Crabbing & Surfing Analysis

Transparent environmental scores based on tide, wind and marine conditions. These are not user reports, catch guarantees or substitutes for official closures and safety guidance.

52/100 · Fair
Fishing
Environmental planning guidance, not a catch guarantee.

Best planning window

2 hours around the next tide change

  • Strong wind20 mph can make shore and small-boat fishing difficult
  • Mostly dry14% precipitation chance
  • Moving waterA rising tide can improve nearshore feeding activity
45/100 · Fair
Crabbing
Conditions are secondary to seasons, closures and safety.

Best planning window

Near slack water, if the marine area is open

  • Regulations requiredConfirm the marine area is open before setting gear
  • Rough handling conditionsStrong wind raises small-craft and gear-retrieval risk
  • Moderate tidal exchange2.5 ft range in the next cycle
11/100 · Poor
Surfing
Offshore model guidance with nearshore uncertainty.

Best planning window

Compare swell direction, local wind and tide before leaving

  • Limited swell0.0 ft NWS forecast waves
  • Short period0s dominant period
  • Strong local wind20 mph may reduce surface quality
  • Nearshore uncertaintyOffshore model conditions are not the same as breaking-wave height at this beach
Guam Division of Aquatic and Wildlife Resources fishing rulesGuam · state or territoryNOAA Fisheries federal recreational fishing resourcesU.S. federal waters · federalNational Weather Service rip-current safetyUnited States · safety
Nearby NOAA Tide Stations
Official station locations from the national NOAA CO-OPS tide-prediction catalog.

APRA HARBOR, GUAM

NOAA 1630000 · GU

17.2 mi

Tanapag Harbor, Saipan Island

NOAA 1633227 · GU

129.9 mi

Laysan Island

NOAA 1619645 · HI

2930.1 mi

MASSACRE BAY

NOAA 9460150 · AK

3129.0 mi

East Island, French Frigate Shoals

NOAA 1619222 · HI

3262.2 mi

Ogliuga Island (east coast)

NOAA 9461081 · AK

3317.8 mi

Sources And Confidence

NOAA CO-OPS tide predictions at Pago Bay, Guamofficial-forecast

Fetched Wed, Aug 12 at 3:13 PM

National Weather Service observation and hourly forecastofficial-forecast

Fetched Wed, Aug 12 at 3:13 PM

National Weather Service coastal marine gridofficial-forecast

Fetched Wed, Aug 12 at 3:13 PM

NOAA CO-OPS water temperature at Apra Harbor, Guamobserved

Fetched Wed, Aug 12 at 3:13 PM

U.S. Naval Observatory astronomical applicationsofficial-calculation

Fetched Wed, Aug 12 at 3:13 PM

Not for navigation. Conditions can change faster than source update intervals. Always check local warnings, closures and on-site conditions.