named water · Guam

APRA HARBOR, GUAM

Flood Watch is active now until Sun 4 PM.

Right now

updated 3:17 PM
Sky
Isolated Rain Showers

86°F · sets 6:02 PM

Wind
North-northeast 11 kt

gusts 13 kt

Tide
Ebb

Low tide 5:35 PM

Water
87.6°F

1.35 ft MLLW · 0.4 ft below prediction

Latest observations plus the current-hour NWS sky forecast. The call itself runs on the hourly forecast; nearby NDBC APRP7 observations do not replace it.

Official advisoryCoastal Flood Watch

Coastal Flood Watch issued October 16 at 3:12PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU In effect through 10/18/2026, 2:00:00 PM EDT.

Read the NWS alert
Official advisoryHigh Surf Warning

High Surf Warning issued October 16 at 3:12PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU In effect through 10/18/2026, 2:00:00 PM EDT.

Read the NWS alert
Official warningFlood Watch

Flood Watch issued October 16 at 2:31PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU In effect through 10/18/2026, 2:00:00 AM EDT.

Read the NWS alert
Official warningTyphoon Watch

Typhoon Watch issued October 16 at 8:50AM ChST by NWS Tiyan GU

Read the NWS alert
Marine noticeHydrologic Outlook

Hydrologic Outlook issued October 13 at 5:31PM ChST by NWS Tiyan GU

Read the NWS alert

How the day develops

Available forecast · 9 kt peak wind · 0 ft peak seas · Wave character unavailable

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Right nowNo-Go

Right now. No-Go. Wind is the limiting factor. Northeast 9 knots gusting 13, 6 knots under your 15 knot limit. showers, seas 0 feet, comfortably under the limit, tide falling, low tide at 5:35 PM.

Nearby harbors

Nearby boating conditions

Local source coverage

Marine forecast and boating conditions for APRA HARBOR, GUAM

Boat or Nope's preview for APRA HARBOR, GUAM in Guam uses nearby public marine forecast, tide, and local-weather sources for trip planning.

This named water in Guam uses 1630000 - Apra Harbor, Guam (APRP7, 0.1 NM away) for marine observations, APRA HARBOR, GUAM (1630000, 0.0 NM away) for tide predictions, and Guam/Pat Intl (PGUM, 8.4 NM away) for nearby aviation weather context.

Boat or Nope continuously checks the source bindings behind this planning page.