Ocean State

Track environmental indicators from basin-scale drivers to regional conditions. View large-scale climate patterns, current ocean state, and pressure events affecting North Pacific ecosystems.

Current Marine Heatwave Conditions Alert
Basin-wide marine heatwave event NEP25A (Covers ~26% of North Pacific, 4th largest on record since 1982)
Review Detail
North Pacific Ecoregion Analysis Filters
Showing: , 2023, Extreme Events (4 indicators from 1 Ecoregion)

HIGH CONFIDENCE
Satellite/Multi

Pacific Decadal Oscillation

NOAA/JMA
-1.8

↓ Strongly negative through 2024 (Record-low summer values, cool phase conditions)

HIGH CONFIDENCE
CalCOOP/IMECOCAL

North Pacific Gyre Oscillation

NOAA/NCEP
+0.8

↑ Positive phase since 2023 (Enhanced central gyre circulation)

HIGH CONFIDENCE
PICES/AOOS

Aleutian Low Index

NOAA/NCEP
-2.1 hPa

↓ Deeper than normal (Enhanced storm activity and mixing)

MEDIUM CONFIDENCE
Multi-National

ENSO Teleconnections

NOAA/CPC
+1.2°C

El Niño influence weakening (Transitioning to neutral conditions)