What time is high tide at Tumon Bay Beach on September 9, 2026?

High tides at Tumon Bay Beach on September 9, 2026: 05:07 (times shown in Pacific/Guam).

What is the Ocean Viewing Index (OVI) for Tumon Bay Beach?

OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

Tumon Bay Beach

Tumon, GuamPacific/Guam

Ocean View Index

94Excellent

Next tide

19:07High Tide

Sunrise / Sunset

20:22 – 08:40

Local time

03:07

Tumon Bay in Guam, a Micronesian resort hub of white sand and duty-free shopping.

Ocean Viewing Index

Updated · Sep 8, 2026 17:07

Reference time: local noon · 12:31 (Pacific/Guam)

Estimated

Excellent

Excellent viewing conditions. Highly recommended!

Sub-Index Breakdown

Six dimensions feed the overall Ocean Viewing Index.

Sea Color
Vivid turquoise / azure · hue
97.3
Clarity
Very clear (below 1.5 NTU) · NTU
100
Visibility
15+ m horizontal · m
100
Sea State
Calm, glassy (0-1) · Beaufort
83.5
Lighting
Golden hour, optimal · lux
100
Water Quality
index
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Weather Forecast

7-day marine weather forecast from Open-Meteo model.

TodaySep 8

Thunderstorm

33°25°

3.8 m/s

5.4mm

WedSep 9

Thunderstorm

31°23°

3.5 m/s

7.8mm

ThuSep 10

Light Rain

33°26°

2.4 m/s

3.6mm

FriSep 11

Thunderstorm

33°25°

1.5 m/s

5.1mm

SatSep 12

Light Rain

33°27°

1.1 m/s

3.2mm

SunSep 13

Rain

34°26°

1.7 m/s

7.1mm

MonSep 14

Light Rain

33°25°

2.1 m/s

10.3mm

Visibility: 19 km·Cloud: 71%

48-Hour Hourly Forecast

Hour-by-hour marine weather for the next 48 hours.

Now32°40.2

01:0033°40.4

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15:0025°30.5

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00:0031°40.2

01:0030°40.6

02:0028°61.3

03:0029°11.0

04:0030°20.4

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17:0023°63.4

18:0024°20.7

19:0024°20.2

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7-Day OVI Trend

Forecast ocean viewing conditions for the coming week.

Best today: Viewing conditions are Excellent; aim for the golden hour just after sunrise or before sunset. Great for snorkeling and photography.

High & Low Tides Today

Times and heights of today's high and low water.

Spring TideCoefficient: 116.4 / 120Higher coefficient means larger tide range; 120 is the largest spring, 20 the smallest neap.

Time	Type	Height
19:07	High	0.27 m

48-Hour OVI Trend

Hour-by-hour ocean viewing outlook for the next 48 hours, dampened by rainfall.

Today's Tide Summary

A quick look at the day's high and low water.

High Tide

19:07

0.27 m

Nearby Beaches

Other beaches closest to Tumon Bay Beach.

212 km away

Micro Beach

Saipan, Northern Mariana Islands

1353 km away

Koror Rock Islands

Koror, Palau

2275 km away

Naminoue Beach

Okinawa, Japan

2277 km away

Sunset Beach

Okinawa, Japan

Frequently asked questions

What time is high tide at Tumon Bay Beach on September 9, 2026?: High tides at Tumon Bay Beach on September 9, 2026: 05:07 (times shown in Pacific/Guam).
What is the Ocean Viewing Index (OVI) for Tumon Bay Beach?: OVI is a 0-100 composite score combining sea color, water clarity, visibility, sea conditions, sunlight and water quality to help you decide if the sea is worth seeing today.

Essential Information

Coordinates: 13.5197°, 144.8047°
Timezone: Pacific/Guam
Region & Country: Tumon, Guam

Data sources

Tides: UHSLC / FES2022b · Weather: NOAA GFS · Sea color: NASA MODIS/VIIRS