Redondo Beach, WA
CATEGORY 3
WHAT
Minor tidal flooding possible during the early morning high tide, with levels peaking near 19.65 ft around 1:18 AM local time. Barometric pressure near 997 hPa is lower than typical but not extremely low. Conditions are close to a flood event and worth monitoring, but substantial or damaging flooding is unlikely.
WHEN
Peak risk around the early morning high tide (roughly 01:00–02:00 AM).
IMPACTS
• Minor ponding of water in low-lying coastal areas.
• Minimal impacts to property; roads along the immediate waterfront may see standing water, but widespread closures are not expected.
Comparing this scenario to past Category 3 events (e.g., tide ~17.5–20.7 ft, pressure often 1000+ hPa), the tide height and moderately low pressure are near the higher end of Category 3 but have not met the higher thresholds typically associated with Category 4 or greater. Historical data suggests water levels beneath 20 ft with pressures not dipping below about 992 hPa rarely cause significant flooding in Redondo Beach.
CATEGORY 3
WHAT
High tides may reach about 19.80 ft in late afternoon (near 5:30 PM). Barometric pressure is forecast to be slightly higher (~1005 hPa) than on Day 1, reducing the likelihood of any severe impacts. This remains close to a flood event and warrants monitoring, though damaging flooding is not expected.
WHEN
Late afternoon to early evening (roughly 17:00–18:00).
IMPACTS
• Minor water encroachment around low-lying zones; roads and near-shore parks could see brief shallow flooding.
• Little to no property damage anticipated.
Day 2’s peak tide is only marginally higher than Day 1, but barometric pressure is slightly stronger. Historically, tides under 20 ft with pressures near or above 1000 hPa often result in conditions consistent with Category 3, indicating only minimal flooding concerns.
CATEGORY 4
WHAT
A higher tide of around 20.13 ft is forecast near 6:12 PM, paired with somewhat low barometric pressure near 1003 hPa. This combination increases the likelihood of minor to moderate coastal flooding. While major property damage is not anticipated, low-lying areas may experience more noticeable water intrusion than on previous days.
WHEN
Late afternoon into early evening (roughly 18:00–19:00).
IMPACTS
• Likely tidal flooding in vulnerable coastal spots.
• Some roads and parking areas near the shore could have standing water.
• Residents should prepare for short-term disruptions in very low-lying zones.
Comparisons with historical Category 4 floods—such as the 12/18/2024 event (tide ~20.6 ft, pressure ~1016 hPa)—show that even though Day 3’s tide is a bit lower, barometric pressure is lower as well, boosting flood potential. Conditions fall short of historical Category 5 thresholds (typically 21+ ft tides or very low pressure < 990 hPa), but higher water levels than Days 1–2 are likely.
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Categories 1-2: No risk of flooding.
Category 3: Close to a flood event and worth monitoring.
Category 4: Flooding is likely however, it is uncertain if this will cause major property damage.
Category 5: Likely to flood and cause property damage.
Categories 6-7: Extremely high risk of flooding and property damage.