Subic, Zambales

Subic High & Low Tide Today

Zambales, Philippines · Updated 2h ago · 14.7500°, 120.2167° · Asia/Manila

© Ramon FVelasquez, CC BY-SA 3.0

High & Low Tide Today in Subic

Today's tide times for Subic (Saturday, October 17, 2026): high tide at 12:18 AM (1.23 m) and low tide at 10:00 AM (0.23 m).

High tide today:
12:18 AM (1.23 m)
Low tide today:
10:00 AM (0.23 m)

Sea level in Subic now: about 1.04 m and rising (as of 10:00 PM local time).

Tides tomorrow in Subic

Tomorrow (Sunday, October 18): high tide at 1:06 AM (1.21 m) and low tide at 10:45 AM (0.25 m).

Times are local (Asia/Manila). Predictions from the Open-Meteo marine model — not for navigation.

Today's Beach Conditions

Next High Tide
1:06 AM
1.21 m · +2h 53m
Next Low Tide
10:45 AM
0.25 m · +12h 32m
Water Temp
30.2°C
Wind
11 NE
UV Index
0
Sunset
5:38 PM
Air Temp
27°C
Wave
0.3m

Tide Curve

Hourly Forecast

TimeTideTempRainWindUV
12 AM1.2m27°08 NE0
1 AM1.2m27°010 NE0
2 AM1.1m27°011 NE0
3 AM1.0m26°012 NE0
4 AM0.9m26°011 NE0
5 AM0.7m26°010 NE0
6 AM0.5m26°010 NE0
7 AM0.4m27°012 NE1
8 AM0.3m28°09 NE2
9 AM0.3m29°016 NE4
10 AM0.2m29°017 NE6
11 AM0.3m30°018 NE7
12 PM0.3m31°020 NE8
1 PM0.4m31°020 NE8
2 PM0.4m30°018 NE7
3 PM0.5m30°018 NE5
4 PM0.5m30°014 NE3
5 PM0.6m29°011 NE1
6 PM0.7m29°012 NE0
7 PM0.7m28°013 NE0
8 PM0.8m28°012 NE0
9 PM0.9m27°012 NE0
10 PM1.0m27°011 NE0
11 PM1.1m27°010 NE0

Next 7 Days

Sat, Oct 17
H 12:18 AM 1.23m·L 10:00 AM 0.23m
31° / 26°
-
Sun, Oct 18
H 1:06 AM 1.21m·L 10:45 AM 0.25m
33° / 25°
2.7mm
Mon, Oct 19
H 1:45 AM 1.19m·L 11:50 AM 0.26m
33° / 25°
2.1mm
Tue, Oct 20
H 2:30 AM 1.14m·L 12:42 PM 0.27m
32° / 25°
1.6mm
Wed, Oct 21
H 3:50 AM 1.09m·L 1:00 PM 0.3m
31° / 26°
0.9mm
Thu, Oct 22
H 5:00 AM 1.06m, 9:30 PM 0.78m·L 1:30 PM 0.37m
32° / 25°
-
Fri, Oct 23
H 6:15 AM 0.99m·L 12:00 AM 0.76m, 1:50 PM 0.45m
30° / 26°
0.6mm

About Subic

Geographic Overview

Subic Bay is a deep natural harbor on the western coast of Luzon, facing the South China Sea. The town of Subic, Zambales, sits at the southern entrance of the bay, while the former US Naval Station Subic Bay — now the Subic Bay Freeport Zone — occupies the eastern and northern shores. The bay is flanked by the Zambales Mountains and the Bataan Peninsula, creating a well-protected anchorage historically valued for its depth and shelter. The surrounding watershed is mostly forested, with clear water maintained partly due to limited industrial runoff within the freeport zone.

Tidal Characteristics

Subic Bay experiences a mixed semidiurnal tidal pattern with a typical range of 0.7 to 1.2 meters. The bay's enclosed shape dampens wave action considerably; even during periods of elevated wind, wave heights inside the bay remain manageable compared to the open South China Sea. This makes the bay suitable for diving and water sports year-round from a wave standpoint, though wind-driven chop can affect surface conditions.

Best Times to Visit

The amihan (northeast monsoon, December–May) is the dry season on this part of Luzon and the preferred time for diving and snorkeling — visibility in the bay is typically best from January through April. The habagat (June–November) brings rain and occasional typhoon threats; Zambales sees fewer direct typhoon hits than the Pacific-facing provinces but remains within the Philippine typhoon belt. August and September tend to be the wettest months.

Safety Tips

Several WWII-era and more recent wrecks lie on the bay floor and are popular dive sites, but should only be dived with guides familiar with their depths and conditions — some are in the 20–30 meter range. Boat traffic within the freeport zone is regulated; swimmers should stay within designated areas and be aware of vessel movement near the port facilities. The bay's fringing reefs have some boat-strike hazards for inexperienced snorkelers near drop-offs.

What Makes It Special

The wreck diving at Subic Bay is among the best in the Philippines. The USS New York, El Capitan, and other wrecks host dense marine life including large schools of batfish, lionfish, and occasional reef sharks. The freeport infrastructure — an inheritance from the US Navy — means facilities are unusually well-developed: paved roads, clear signage, and regulated commercial zones. The Zoobic Safari and other eco-tourism facilities within the former base add non-marine activities to the area.

Frequently Asked Questions

What time is high tide in Subic today?

High tide in Subic today is at 12:18 AM (1.23 m).

When is low tide in Subic today?

Low tide in Subic today is at 10:00 AM (0.23 m).

What time is high tide in Subic tomorrow?

Tomorrow (Sunday, October 18) high tide in Subic is at 1:06 AM (1.21 m).

What is the sea level in Subic right now?

As of 10:00 PM local time, the sea level in Subic is about 1.04 m relative to mean sea level and rising.

What's the water temperature in Subic?

The current sea surface temperature near Subic is approximately 30.2°C.

Is today a good beach day in Subic?

Current conditions in Subic: 27°C air temperature, UV index 0, wind 11 km/h. Check the detailed forecast above for the full picture.

What's the UV level in Subic?

The current UV index in Subic is 0. UV levels are moderate.