Belvedere king tides and high water in 1998
In 1998, NOAA's San Francisco tide gauge recorded water high enough for FloodRoute's model to put at least one Belvedere road at risk on 76 days. The highest was 8.38 ft on Friday, February 6, 1998, 2.21 ft above the tide tables, with 40 roads at risk, including Edgewater Road, Leeward Road and Mallard Road.
Feb 6, 1998: 40 roads at risk8.38 ft at the San Francisco gauge · 2.2 ft above the tide tables · deepest: Severe · model estimate
Estimates, not records of actual flooding. Each day is NOAA's verified high water at the tide gauge, run through FloodRoute's flood model on today's roads and elevations, in dry weather. Drains, levees, tide gates, rain, road changes and elevation error all mean real conditions differed. Not for property, real-estate, insurance, lending, engineering or legal decisions.
Highest water in 1998
| Date | High water · San Francisco | vs tide tables | Roads at risk | Deepest streets (model) |
|---|---|---|---|---|
| 8.38 ft | +2.21 ft | 40Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.98 ft | +2.02 ft | 39Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.87 ft | +1.64 ft | 39Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.62 ft | +0.95 ft | 38Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.57 ft | +0.96 ft | 38Severe | Edgewater Road, Leeward Road, Mallard Road |
Every day with roads at risk (76)
| Date | High water · San Francisco | vs tide tables | Roads at risk | Deepest streets (model) |
|---|---|---|---|---|
| 7.00 ft | +0.86 ft | 5Likely | Beach Road | |
| 7.03 ft | +1.30 ft | 5Likely | Beach Road | |
| 6.56 ft | +1.14 ft | 5Likely | Beach Road | |
| 6.88 ft | +1.29 ft | 5Likely | Beach Road | |
| 6.88 ft | +0.62 ft | 5Likely | Beach Road | |
| 7.10 ft | +0.63 ft | 6Likely | Beach Road | |
| 7.57 ft | +0.96 ft | 38Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.62 ft | +0.95 ft | 38Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.33 ft | +0.72 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.44 ft | +0.96 ft | 36Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 6.70 ft | +0.44 ft | 5Likely | Beach Road | |
| 6.68 ft | +0.71 ft | 5Likely | Beach Road | |
| 6.73 ft | +0.48 ft | 5Likely | Beach Road | |
| 7.13 ft | +0.67 ft | 6Likely | Beach Road | |
| 7.29 ft | +0.69 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.43 ft | +0.81 ft | 36Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.43 ft | +0.94 ft | 36Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 6.74 ft | +0.57 ft | 5Likely | Beach Road | |
| 6.64 ft | +0.94 ft | 5Likely | Beach Road | |
| 6.72 ft | +0.94 ft | 5Likely | Beach Road | |
| 6.85 ft | +0.97 ft | 5Likely | Beach Road | |
| 7.98 ft | +2.02 ft | 39Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.33 ft | +1.30 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.29 ft | +1.20 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 8.38 ft | +2.21 ft | 40Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.87 ft | +1.64 ft | 39Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 7.37 ft | +1.13 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 6.88 ft | +0.68 ft | 5Likely | Beach Road | |
| 6.89 ft | +0.80 ft | 5Likely | Beach Road | |
| 6.64 ft | +0.73 ft | 5Likely | Beach Road | |
| 6.91 ft | +0.92 ft | 5Likely | Beach Road | |
| 6.89 ft | +0.65 ft | 5Likely | Beach Road | |
| 6.47 ft | +0.72 ft | 5Likely | Beach Road | |
| 6.48 ft | +0.26 ft | 5Likely | Beach Road | |
| 6.68 ft | +0.50 ft | 5Likely | Beach Road | |
| 6.66 ft | +0.66 ft | 5Likely | Beach Road | |
| 6.52 ft | +0.11 ft | 5Likely | Beach Road | |
| 6.50 ft | +0.25 ft | 5Likely | Beach Road | |
| 6.81 ft | +0.17 ft | 5Likely | Beach Road | |
| 6.74 ft | +0.06 ft | 5Likely | Beach Road | |
| 6.79 ft | +0.23 ft | 5Likely | Beach Road | |
| 6.83 ft | +0.54 ft | 5Likely | Beach Road | |
| 6.52 ft | +0.52 ft | 5Likely | Beach Road | |
| 6.72 ft | +0.16 ft | 5Likely | Beach Road | |
| 6.94 ft | +0.18 ft | 5Likely | Beach Road | |
| 6.96 ft | +0.12 ft | 5Likely | Beach Road | |
| 6.99 ft | +0.20 ft | 5Likely | Beach Road | |
| 6.80 ft | +0.19 ft | 5Likely | Beach Road | |
| 6.47 ft | +0.12 ft | 5Likely | Beach Road | |
| 6.55 ft | +0.06 ft | 5Likely | Beach Road | |
| 6.82 ft | +0.15 ft | 5Likely | Beach Road | |
| 6.83 ft | +0.06 ft | 5Likely | Beach Road | |
| 6.77 ft | −0.01 ft | 5Likely | Beach Road | |
| 6.75 ft | +0.07 ft | 5Likely | Beach Road | |
| 6.60 ft | +0.12 ft | 5Likely | Beach Road | |
| 6.57 ft | +0.22 ft | 5Likely | Beach Road | |
| 6.71 ft | +0.23 ft | 5Likely | Beach Road | |
| 6.68 ft | +0.15 ft | 5Likely | Beach Road | |
| 6.49 ft | +0.04 ft | 5Likely | Beach Road | |
| 6.53 ft | +0.37 ft | 5Likely | Beach Road | |
| 6.66 ft | +0.32 ft | 5Likely | Beach Road | |
| 6.67 ft | +0.27 ft | 5Likely | Beach Road | |
| 6.52 ft | +0.21 ft | 5Likely | Beach Road | |
| 6.48 ft | +0.02 ft | 5Likely | Beach Road | |
| 6.60 ft | −0.15 ft | 5Likely | Beach Road | |
| 6.58 ft | −0.09 ft | 5Likely | Beach Road | |
| 6.57 ft | +0.20 ft | 5Likely | Beach Road | |
| 6.47 ft | +0.53 ft | 5Likely | Beach Road | |
| 7.30 ft | +0.97 ft | 35Severe | Edgewater Road, Leeward Road, Mallard Road | |
| 6.75 ft | +0.08 ft | 5Likely | Beach Road | |
| 7.00 ft | +0.08 ft | 5Likely | Beach Road | |
| 7.16 ft | +0.14 ft | 6Likely | Beach Road | |
| 6.99 ft | +0.02 ft | 5Likely | Beach Road | |
| 6.60 ft | −0.14 ft | 5Likely | Beach Road | |
| 6.58 ft | −0.25 ft | 5Likely | Beach Road | |
| 6.68 ft | −0.31 ft | 5Likely | Beach Road |