Estimated tide height
0.3′ falling
Next tide
Low
0.31′ in 3 min
Last tide
High
1.65′

Tides

About this chart
2 Fish - Minor Solunar High fish activity
4 Fish - Major Solunar Very high fish activity

Apra Harbor tide chart key:

The tide chart above shows the times and heights of high tide and low tide for Apra Harbor, as well as solunar period times (represented by fish icons). The red line highlights the current time and estimated height.

Two fish mark minor solunar periods (high fish activity); four fish mark major solunar periods (very high fish activity).

Apra Harbor, Guam — Tide predictions for Wednesday, October 21, 2026. Local times: UTC+10:00. Heights in ft relative to MLLW.
Day Time Tide Height
▼ Low 1.31′
▲ High 1.65′
▼ Low 0.31′
▲ High 2.12′
▼ Low 1.1′
▲ High 1.76′

: The tide at Apra Harbor is falling, with an estimated height of 0.3 ft. The next low tide is 0.31 ft at . Current forecast: Drizzle; NE winds at 10 mph, gusting to 19 mph; open-water waves around 5.2 ft. Today’s tidal range is approximately 1.81 ft.

Weather & Marine Forecast

Wednesday, October 21, 2026: Conditions: Drizzle / Overcast / Rain Showers / Clear / Mainly Clear; air temperatures of 81–92°F through tonight; winds at 7–12 mph, gusting to 24 mph; open-water waves around 4.9 ft–5.2 ft. Estimated water temperature is 83°F as of 9:00 AM.

Date Wed, Oct 21 Thu, Oct 22 Fri, Oct 23 Sat, Oct 24 Sun, Oct 25 Mon, Oct 26
Forecast
Weather °F Precip
Drizzle 86° 32%
Drizzle 89° 43%
Overcast 91° 54%
Overcast 92° 65%
Overcast 92° 73%
Rain Showers 88° 76%
Drizzle 87° 76%
Drizzle 86° 73%
Drizzle 85° 69%
Drizzle 83° 62%
Clear 82° 53%
Clear 82° 38%
Clear 82° 20%
Mainly Clear 81° 8%
Drizzle 81° 5%
Mainly Clear 81° 7%
Clear 81° 12%
Clear 81° 20%
Clear 80° 30%
Mainly Clear 80° 37%
Mainly Clear 80° 37%
Mainly Clear 80° 35%
Drizzle 80° 35%
Partly Cloudy 84° 41%
Drizzle 83° 49%
Drizzle 88° 57%
Mainly Clear 91° 66%
Clear 91° 74%
Drizzle 91° 80%
Drizzle 89° 83%
Drizzle 88° 83%
Clear 87° 78%
Clear 85° 63%
Drizzle 82° 43%
Mainly Clear 81° 29%
Clear 80° 25%
Clear 81° 27%
Clear 81° 29%
Clear 79° 28%
Overcast 78° 27%
Partly Cloudy 80° 27%
Partly Cloudy 79° 31%
Drizzle 78° 37%
Drizzle 77° 41%
Drizzle 77° 41%
Drizzle 78° 40%
Drizzle 80° 41%
Drizzle 82° 44%
Drizzle 84° 50%
Drizzle 86° 57%
Clear 87° 69%
Clear 87° 84%
Clear 88° 94%
Clear 87° 96%
Clear 86° 94%
Clear 85° 88%
Clear 84° 79%
Clear 82° 67%
Clear 82° 55%
Drizzle 81° 44%
Drizzle 81° 34%
Drizzle 80° 27%
Drizzle 80° 24%
Drizzle 80° 23%
Drizzle 80° 22%
Drizzle 80° 19%
Drizzle 80° 17%
Drizzle 80° 16%
Clear 80° 18%
Clear 81° 21%
Clear 82° 27%
Drizzle 84° 36%
Drizzle 86° 47%
Drizzle 88° 59%
Drizzle 89° 71%
Drizzle 89° 83%
Drizzle 89° 92%
Drizzle 89° 95%
Drizzle 89° 95%
Drizzle 87° 92%
Drizzle 86° 86%
Drizzle 83° 76%
Drizzle 82° 65%
Drizzle 80° 50%
Drizzle 80° 33%
Drizzle 79° 22%
Drizzle 79° 21%
Drizzle 80° 26%
Drizzle 80° 29%
Drizzle 79° 28%
Drizzle 78° 27%
Drizzle 78° 25%
Overcast 78° 24%
Overcast 79° 22%
Overcast 80° 23%
Drizzle 85° 26%
Drizzle 87° 30%
Drizzle 88° 37%
Drizzle 89° 47%
Drizzle 89° 60%
Drizzle 89° 72%
Drizzle 89° 83%
Drizzle 88° 94%
Drizzle 88° 100%
Partly Cloudy 87° 99%
Mainly Clear 86° 93%
Mainly Clear 85° 86%
Mainly Clear 84° 78%
Clear 83° 69%
Clear 82° 61%
Drizzle 81° 56%
Drizzle 80° 52%
Drizzle 79° 48%
Drizzle 78° 45%
Drizzle 78° 42%
Drizzle 78° 39%
Partly Cloudy 79° 37%
Partly Cloudy 81° 35%
Overcast 83° 34%
Overcast 85° 34%
Overcast 87° 35%
Wind mph 10 Gust 19 11 Gust 21 12 Gust 24 11 Gust 24 10 Gust 24 11 Gust 23 9 Gust 23 9 Gust 20 10 Gust 19 10 Gust 19 8 Gust 16 7 Gust 14 8 Gust 13 10 Gust 17 10 Gust 17 8 Gust 16 8 Gust 14 8 Gust 13 8 Gust 14 7 Gust 14 8 Gust 13 9 Gust 15 11 Gust 19 13 Gust 23 16 Gust 29 12 Gust 28 13 Gust 28 14 Gust 29 16 Gust 30 17 Gust 31 14 Gust 31 11 Gust 26 12 Gust 22 12 Gust 22 12 Gust 20 12 Gust 21 11 Gust 20 11 Gust 18 12 Gust 21 10 Gust 20 9 Gust 16 10 Gust 16 11 Gust 17 11 Gust 18 10 Gust 18 8 Gust 18 8 Gust 18 8 Gust 20 9 Gust 23 11 Gust 26 12 Gust 26 13 Gust 26 14 Gust 26 13 Gust 26 13 Gust 27 12 Gust 27 11 Gust 26 11 Gust 24 11 Gust 22 11 Gust 21 10 Gust 19 10 Gust 18 10 Gust 17 9 Gust 18 8 Gust 17 8 Gust 17 7 Gust 15 7 Gust 14 7 Gust 13 7 Gust 12 8 Gust 13 9 Gust 16 11 Gust 21 12 Gust 24 12 Gust 25 12 Gust 24 11 Gust 24 10 Gust 24 9 Gust 23 8 Gust 22 7 Gust 21 7 Gust 19 7 Gust 17 6 Gust 15 4 Gust 14 3 Gust 12 4 Gust 11 5 Gust 11 6 Gust 10 6 Gust 11 6 Gust 13 6 Gust 14 7 Gust 14 8 Gust 14 9 Gust 15 10 Gust 21 11 Gust 22 11 Gust 23 12 Gust 24 12 Gust 25 12 Gust 25 12 Gust 25 12 Gust 25 11 Gust 25 11 Gust 24 10 Gust 24 9 Gust 24 8 Gust 23 7 Gust 22 7 Gust 22 7 Gust 21 7 Gust 19 7 Gust 17 8 Gust 16 9 Gust 15 9 Gust 15 10 Gust 15 10 Gust 17 11 Gust 19 12 Gust 21 12 Gust 22
Waves
Waves from W.
5.2′ 9 sec
Waves from W.
5.2′ 9 sec
Waves from W.
5.2′ 9 sec
Waves from W.
5.2′ 9 sec
Waves from W.
5.2′ 9 sec
Waves from W.
5.1′ 9 sec
Waves from W.
5.1′ 9 sec
Waves from W.
5.1′ 9 sec
Waves from W.
5′ 9 sec
Waves from W.
5′ 8.9 sec
Waves from W.
4.9′ 8.9 sec
Waves from W.
4.9′ 9 sec
Waves from NW.
4.9′ 9 sec
Waves from NW.
4.9′ 9.1 sec
Waves from NW.
4.9′ 9.1 sec
Waves from NW.
5′ 9.1 sec
Waves from NW.
5′ 9.2 sec
Waves from NW.
5′ 9.2 sec
Waves from NW.
5′ 9.3 sec
Waves from NW.
5′ 9.3 sec
Waves from NW.
5′ 9.3 sec
Waves from NW.
5′ 9.3 sec
Waves from NW.
5′ 9.2 sec
Waves from NW.
5′ 9.1 sec
Waves from NW.
5′ 9 sec
Waves from NW.
5′ 8.8 sec
Waves from NW.
5′ 8.7 sec
Waves from NW.
5.1′ 8.7 sec
Waves from NW.
5.1′ 8.6 sec
Waves from NW.
5′ 8.6 sec
Waves from NW.
5′ 8.6 sec
Waves from NW.
4.9′ 8.7 sec
Waves from NW.
4.9′ 8.7 sec
Waves from NW.
4.8′ 8.7 sec
Waves from NW.
4.7′ 8.8 sec
Waves from NW.
4.7′ 8.8 sec
Waves from NW.
4.7′ 8.8 sec
Waves from NW.
4.7′ 8.8 sec
Waves from NW.
4.7′ 8.9 sec
Waves from NW.
4.6′ 8.9 sec
Waves from NW.
4.6′ 8.9 sec
Waves from NW.
4.6′ 9 sec
Waves from NW.
4.7′ 9 sec
Waves from NW.
4.7′ 9.1 sec
Waves from NW.
4.7′ 9 sec
Waves from NW.
4.7′ 9 sec
Waves from NW.
4.8′ 9 sec
Waves from NW.
4.8′ 9.1 sec
Waves from NW.
4.7′ 9.2 sec
Waves from NW.
4.7′ 9.3 sec
Waves from NW.
4.7′ 9.5 sec
Waves from NW.
4.7′ 9.6 sec
Waves from NW.
4.7′ 9.7 sec
Waves from NW.
4.7′ 9.7 sec
Waves from NW.
4.7′ 9.7 sec
Waves from NW.
4.7′ 9.8 sec
Waves from NW.
4.7′ 9.8 sec
Waves from NW.
4.7′ 9.9 sec
Waves from NW.
4.7′ 9.9 sec
Waves from NW.
4.7′ 10 sec
Waves from NW.
4.6′ 10.1 sec
Waves from NW.
4.6′ 10.2 sec
Waves from NW.
4.6′ 10.3 sec
Waves from NW.
4.7′ 10.4 sec
Waves from NW.
4.7′ 10.5 sec
Waves from NW.
4.7′ 10.6 sec
Waves from NW.
4.7′ 10.6 sec
Waves from NW.
4.7′ 10.7 sec
Waves from NW.
4.7′ 10.7 sec
Waves from NW.
4.7′ 10.8 sec
Waves from NW.
4.7′ 10.8 sec
Waves from NW.
4.7′ 10.9 sec
Waves from NW.
4.7′ 11 sec
Waves from NW.
4.7′ 11 sec
Waves from NW.
4.7′ 11.1 sec
Waves from NW.
4.8′ 11.1 sec
Waves from NW.
4.8′ 11.1 sec
Waves from NW.
4.8′ 11.2 sec
Waves from NW.
4.8′ 11.3 sec
Waves from NW.
4.8′ 11.3 sec
Waves from NW.
4.8′ 11.4 sec
Waves from NW.
4.8′ 11.5 sec
Waves from NW.
4.8′ 11.5 sec
Waves from NW.
4.8′ 11.6 sec
Waves from NW.
4.8′ 11.6 sec
Waves from NW.
4.8′ 11.6 sec
Waves from NW.
4.8′ 11.6 sec
Waves from NW.
4.8′ 11.5 sec
Waves from NW.
4.8′ 11.5 sec
Waves from NW.
4.8′ 11.5 sec
Waves from NW.
4.7′ 11.5 sec
Waves from NW.
4.7′ 11.5 sec
Waves from NW.
4.7′ 11.5 sec
Waves from NW.
4.7′ 11.5 sec
Waves from NW.
4.6′ 11.4 sec
Waves from NW.
4.6′ 11.4 sec
Waves from NW.
4.5′ 11.3 sec
Waves from NW.
4.5′ 11.2 sec
Waves from NW.
4.5′ 11.1 sec
Waves from NW.
4.5′ 11.1 sec
Waves from NW.
4.4′ 11 sec
Waves from NW.
4.3′ 10.9 sec
Waves from NW.
4.3′ 10.9 sec
Waves from NW.
4.2′ 10.8 sec
Waves from NW.
4.1′ 10.7 sec
Waves from NW.
4.1′ 10.6 sec
Waves from NW.
4′ 10.5 sec
Waves from NW.
3.9′ 10.4 sec
Waves from NW.
3.9′ 10.3 sec
Waves from NW.
3.9′ 10.2 sec
Waves from NW.
3.8′ 10.1 sec
Waves from NW.
3.8′ 10 sec
Waves from NW.
3.7′ 9.9 sec
Waves from NW.
3.7′ 9.9 sec
Waves from NW.
3.7′ 9.8 sec
Waves from NW.
3.6′ 9.8 sec
Waves from NW.
3.6′ 9.8 sec
Waves from NW.
3.5′ 9.8 sec
Waves from NW.
3.5′ 9.8 sec
Waves from NW.
3.5′ 9.8 sec
Waves from NW.
3.6′ 9.7 sec
Swell
Swell from W.
4.5′ 8.1 sec
Swell from W.
4.5′ 8.2 sec
Swell from W.
4.5′ 8.2 sec
Swell from W.
4.5′ 8.2 sec
Swell from W.
4.5′ 8.1 sec
Swell from W.
4.3′ 8.2 sec
Swell from W.
4.3′ 8.2 sec
Swell from W.
4.1′ 8.3 sec
Swell from W.
4.1′ 8.3 sec
Swell from W.
4′ 8.3 sec
Swell from W.
3.9′ 8.3 sec
Swell from W.
3.9′ 8.3 sec
Swell from W.
3.9′ 8.4 sec
Swell from W.
3.9′ 8.4 sec
Swell from W.
3.9′ 8.5 sec
Swell from W.
3.9′ 8.5 sec
Swell from W.
3.9′ 8.6 sec
Swell from W.
3.9′ 8.6 sec
Swell from W.
3.9′ 8.7 sec
Swell from W.
3.9′ 8.7 sec
Swell from W.
3.9′ 8.8 sec
Swell from W.
3.8′ 8.8 sec
Swell from W.
3.8′ 8.8 sec
Swell from W.
3.8′ 8.8 sec
Swell from W.
3.7′ 8.8 sec
Swell from W.
3.7′ 8.8 sec
Swell from W.
3.7′ 8.8 sec
Swell from W.
3.7′ 8.9 sec
Swell from W.
3.7′ 8.9 sec
Swell from W.
3.7′ 8.9 sec
Swell from W.
3.6′ 8.8 sec
Swell from W.
3.6′ 8.8 sec
Swell from W.
3.5′ 8.8 sec
Swell from W.
3.5′ 8.7 sec
Swell from W.
3.4′ 8.7 sec
Swell from W.
3.4′ 8.8 sec
Swell from W.
3.3′ 8.8 sec
Swell from W.
3.3′ 8.8 sec
Swell from W.
3.3′ 8.7 sec
Swell from W.
3.3′ 8.6 sec
Swell from W.
3.3′ 8.5 sec
Swell from W.
3.3′ 8.5 sec
Swell from W.
3.1′ 8.6 sec
Swell from W.
3.1′ 8.7 sec
Swell from W.
3′ 8.9 sec
Swell from W.
2.9′ 9.1 sec
Swell from W.
2.8′ 9.2 sec
Swell from W.
3′ 9.2 sec
Swell from W.
3.2′ 9.2 sec
Swell from W.
3.5′ 9.1 sec
Swell from W.
3.5′ 9.1 sec
Swell from W.
3.5′ 9.1 sec
Swell from W.
3.5′ 9.2 sec
Swell from W.
3.5′ 9.2 sec
Swell from W.
3.5′ 9.2 sec
Swell from W.
3.5′ 9.3 sec
Swell from W.
3.5′ 9.4 sec
Swell from W.
3.6′ 9.6 sec
Swell from W.
3.6′ 9.8 sec
Swell from W.
3.6′ 9.9 sec
Swell from W.
3.6′ 9.9 sec
Swell from W.
3.6′ 10 sec
Swell from W.
3.7′ 10 sec
Swell from W.
3.7′ 10.1 sec
Swell from W.
3.7′ 10.2 sec
Swell from W.
3.7′ 10.2 sec
Swell from W.
3.8′ 10.2 sec
Swell from W.
3.8′ 10.3 sec
Swell from W.
3.8′ 10.3 sec
Swell from W.
3.8′ 10.3 sec
Swell from W.
3.8′ 10.4 sec
Swell from W.
3.9′ 10.4 sec
Swell from W.
3.9′ 10.4 sec
Swell from W.
3.9′ 10.5 sec
Swell from W.
4′ 10.5 sec
Swell from W.
4′ 10.5 sec
Swell from W.
4.1′ 10.5 sec
Swell from W.
4.1′ 10.5 sec
Swell from W.
4.1′ 10.5 sec
Swell from W.
4.1′ 10.5 sec
Swell from W.
4.1′ 10.5 sec
Swell from W.
4.2′ 10.6 sec
Swell from W.
4.2′ 10.6 sec
Swell from W.
4.2′ 10.6 sec
Swell from W.
4.3′ 10.6 sec
Swell from W.
4.3′ 10.6 sec
Swell from W.
4.3′ 10.6 sec
Swell from W.
4.2′ 10.7 sec
Swell from W.
4.2′ 10.7 sec
Swell from W.
4.2′ 10.7 sec
Swell from W.
4.1′ 10.7 sec
Swell from W.
4.1′ 10.7 sec
Swell from W.
4.1′ 10.7 sec
Swell from W.
4′ 10.7 sec
Swell from W.
3.9′ 10.7 sec
Swell from W.
3.9′ 10.7 sec
Swell from W.
3.9′ 10.7 sec
Swell from W.
3.8′ 10.7 sec
Swell from W.
3.7′ 10.7 sec
Swell from W.
3.7′ 10.6 sec
Swell from W.
3.7′ 10.6 sec
Swell from W.
3.6′ 10.6 sec
Swell from W.
3.5′ 10.6 sec
Swell from W.
3.4′ 10.6 sec
Swell from W.
3.3′ 10.5 sec
Swell from W.
3.3′ 10.5 sec
Swell from W.
3.2′ 10.5 sec
Swell from W.
3.1′ 10.4 sec
Swell from W.
3′ 10.4 sec
Swell from W.
3′ 10.4 sec
Swell from W.
2.9′ 10.3 sec
Swell from W.
2.8′ 10.3 sec
Swell from W.
2.8′ 10.2 sec
Swell from W.
2.7′ 10.3 sec
Swell from NW.
2.6′ 10.4 sec
Swell from NW.
2.6′ 10.4 sec
Swell from NW.
2.6′ 10.4 sec
Swell from W.
2.5′ 10.3 sec
Swell from W.
2.5′ 10.2 sec
Swell from W.
2.5′ 10.2 sec
Swell from W.
2.5′ 10.3 sec
Water °F 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 84° 84° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 84° 84° 84° 84° 84° 84° 84° 84° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83° 83°

Wave forecasts represent open-water conditions; conditions in rivers, harbors, and sheltered waters may differ. Forecast wave heights represent significant wave height, roughly the average height of the highest third of waves. Individual waves can be twice this height or more, so the forecast does not represent the maximum wave height.

Sun, Moon & Fishing Times

Waxing Gibbous Waxing Gibbous 72% illuminated72%
Major Fishing Times
→
→
Minor Fishing Times
→
→
Sunrise
Sunset
Moonset
Moonrise

Next 7 Days

▲ Blue = High Tide ▼ Red = Low Tide
Apra Harbor, Guam — Tide predictions for Wednesday, October 21, 2026 – Tuesday, October 27, 2026. Local times: UTC+10:00. Heights in ft relative to MLLW.
Day Moon phase 1st Tide 2nd Tide 3rd Tide 4th Tide ☀ Sun Major Times Major fishing times (solunar periods) Minor Times Minor fishing times (solunar periods)
Waxing Gibbous 72%
▲ 1.65 ft

▼ 0.31 ft

▲ 2.12 ft

▼ 1.1 ft
▲ 6:13 AM ▼ 5:59 PM 7:02 AM → 9:02 AM
7:25 PM → 9:25 PM
1:06 AM → 2:06 AM
1:58 PM → 2:58 PM
Waxing Gibbous 80%
▲ 1.76 ft

▼ 0.38 ft

▲ 2.21 ft

▼ 0.84 ft
▲ 6:13 AM ▼ 5:59 PM 7:45 AM → 9:45 AM
8:09 PM → 10:09 PM
1:55 AM → 2:55 AM
2:36 PM → 3:36 PM
Waxing Gibbous 88%
▲ 1.9 ft

▼ 0.49 ft

▲ 2.28 ft
▲ 6:13 AM ▼ 5:58 PM 8:29 AM → 10:29 AM
8:53 PM → 10:53 PM
2:45 AM → 3:45 AM
3:14 PM → 4:14 PM
Waxing Gibbous 94%
▼ 0.53 ft

▲ 2.07 ft

▼ 0.63 ft

▲ 2.35 ft
▲ 6:13 AM ▼ 5:58 PM 9:14 AM → 11:14 AM
9:39 PM → 11:39 PM
3:35 AM → 4:35 AM
3:53 PM → 4:53 PM
Waxing Gibbous 98%
▼ 0.2 ft

▲ 2.22 ft

▼ 0.81 ft

▲ 2.39 ft
▲ 6:14 AM ▼ 5:57 PM 10:01 AM → 12:01 PM
10:27 PM → 12:27 AM
4:28 AM → 5:28 AM
4:34 PM → 5:34 PM
Full Moon 100%
▼ -0.13 ft

▲ 2.34 ft

▼ 1 ft

▲ 2.41 ft
▲ 6:14 AM ▼ 5:57 PM 10:52 AM → 12:52 PM
5:24 AM → 6:24 AM
5:20 PM → 6:20 PM
Waning Gibbous 99%
▼ -0.42 ft

▲ 2.4 ft

▼ 1.21 ft

▲ 2.41 ft
▲ 6:14 AM ▼ 5:56 PM 11:20 PM → 1:20 AM
11:47 AM → 1:47 PM
6:24 AM → 7:24 AM
6:10 PM → 7:10 PM

Location & Map

Latitude
13° 26' 36" N (13.4434)
Longitude
144° 39' 23" E (144.6564)
Region
Nearby

About these predictions

Tide heights are predictions, not measurements. Wind, air pressure, storms, and river flow can cause actual water levels to differ. Not for navigation.

Tide prediction source: NOAA
Vertical datum: MLLW — Mean Lower Low Water

Weather Data: Open-Meteo

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