Today
Tue
May 19
Partly cloudy, with a low around 52. West northwest wind 2 to 6 mph.
52-52℉
Waves
6-7 ft
Swell
WNW
Water
52-53℉
Wind
WNW 2 to 6 mph
Rip
Low
Tides
Sunrise
5:57 am
Sunset
8:15 pm
52-52℉
Waves
6-7 ft
Rip Current
Low
Water
52-53℉
Swell
WNW 302° 5.6 ft 6s
Wind
WNW 2 to 6 mph
Sunrise
5:57 am
Sunset
8:15 pm
8.5 ft
High
2:03 am
-1.9 ft
Low
9:36 am
6.5 ft
High
4:33 pm
3.1 ft
Low
9:32 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM High 8.5ft 2:03 am Low -1.9ft 9:36 am High 6.5ft 4:33 pm Low 3.1ft 9:32 pm
Wed
May 20
Partly sunny. High near 59, with temperatures falling to around 57 in the afternoon. West wind 1 to 7 mph.
50-59℉
Waves
6-7 ft
Swell
WNW
Water
52-53℉
Wind
W 1 to 7 mph
Rip
Low
Tides
Sunrise
5:56 am
Sunset
8:16 pm
50-59℉
Waves
6-7 ft
Rip Current
Low
Water
52-53℉
Swell
WNW 301° 5.5 ft 6s
Wind
W 1 to 7 mph
Sunrise
5:56 am
Sunset
8:16 pm
8.1 ft
High
2:58 am
-1.6 ft
Low
10:29 am
6.5 ft
High
5:29 pm
3 ft
Low
10:34 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM High 8.1ft 2:58 am Low -1.6ft 10:29 am High 6.5ft 5:29 pm Low 3ft 10:34 pm
Thu
May 21
Patchy fog before 8am. Mostly sunny, with a high near 59. West wind 2 to 8 mph.
51-59℉
Waves
6-7 ft
Swell
WNW
Water
53℉
Wind
W 2 to 8 mph
Rip
Low
Tides
Sunrise
5:55 am
Sunset
8:17 pm
51-59℉
Waves
6-7 ft
Rip Current
Low
Water
53℉
Swell
WNW 300° 6.0 ft 7s
Wind
W 2 to 8 mph
Sunrise
5:55 am
Sunset
8:17 pm
7.5 ft
High
3:59 am
-1.1 ft
Low
11:24 am
6.6 ft
High
6:24 pm
2.9 ft
Low
11:42 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM High 7.5ft 3:59 am Low -1.1ft 11:24 am High 6.6ft 6:24 pm Low 2.9ft 11:42 pm
Fri
May 22
Partly sunny, with a high near 59.
51-59℉
Waves
5-6 ft
Swell
WNW
Water
53-54℉
Wind
SSW 5 to 12 mph
Rip
Low
Tides
Sunrise
5:55 am
Sunset
8:18 pm
51-59℉
Waves
5-6 ft
Rip Current
Low
Water
53-54℉
Swell
WNW 302° 4.7 ft 7s
Wind
SSW 5 to 12 mph
Sunrise
5:55 am
Sunset
8:18 pm
6.9 ft
High
5:07 am
-0.6 ft
Low
12:20 pm
6.8 ft
High
7:16 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM High 6.9ft 5:07 am Low -0.6ft 12:20 pm High 6.8ft 7:16 pm
Sat
May 23
Partly sunny, with a high near 59.
51-59℉
Waves
4-5 ft
Swell
WNW
Water
53-54℉
Wind
SSW 8 to 13 mph
Rip
Low
Tides
Sunrise
5:54 am
Sunset
8:18 pm
51-59℉
Waves
4-5 ft
Rip Current
Low
Water
53-54℉
Swell
WNW 301° 4.3 ft 7s
Wind
SSW 8 to 13 mph
Sunrise
5:54 am
Sunset
8:18 pm
2.5 ft
Low
12:54 am
6.3 ft
High
6:23 am
-0.1 ft
Low
1:15 pm
7.1 ft
High
8:05 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Low 2.5ft 12:54 am High 6.3ft 6:23 am Low -0.1ft 1:15 pm High 7.1ft 8:05 pm
Sun
May 24
Partly sunny, with a high near 59.
51-59℉
Waves
4 ft
Swell
WSW
Water
54-55℉
Wind
WSW 3 to 9 mph
Rip
Low
Tides
Sunrise
5:54 am
Sunset
8:19 pm
51-59℉
Waves
4 ft
Rip Current
Low
Water
54-55℉
Swell
WSW 250° 2.3 ft 10s
Wind
WSW 3 to 9 mph
Sunrise
5:54 am
Sunset
8:19 pm
1.9 ft
Low
2:05 am
5.9 ft
High
7:40 am
0.4 ft
Low
2:08 pm
7.4 ft
High
8:49 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Low 1.9ft 2:05 am High 5.9ft 7:40 am Low 0.4ft 2:08 pm High 7.4ft 8:49 pm
Mon
May 25
Patchy fog before 8am. Partly sunny, with a high near 57.
51-57℉
Waves
4 ft
Swell
WNW
Water
54-55℉
Wind
W 2 to 13 mph
Rip
Low
Tides
Sunrise
5:53 am
Sunset
8:20 pm
51-57℉
Waves
4 ft
Rip Current
Low
Water
54-55℉
Swell
WNW 296° 2.9 ft 10s
Wind
W 2 to 13 mph
Sunrise
5:53 am
Sunset
8:20 pm
1.3 ft
Low
3:11 am
5.7 ft
High
8:54 am
1 ft
Low
2:58 pm
7.7 ft
High
9:29 pm
Tidal Chart 24 Hours
3 AM 6 AM 9 AM 12 PM 3 PM 6 PM 9 PM Low 1.3ft 3:11 am High 5.7ft 8:54 am Low 1ft 2:58 pm High 7.7ft 9:29 pm
    Raw JSON Data
{
  "days": [
    {
      "Location": "ca san mateo",
      "Day": "Today",
      "Date": "2026-05-19",
      "Forecast": "Partly cloudy, with a low around 52. West northwest wind 2 to 6 mph.",
      "Wind": "WNW 2 to 6 mph",
      "Weather": "Partly Cloudy",
      "Air": "52℉",
      "Sunrise": "5:57 am",
      "Sunset": "8:15 pm",
      "Rip Current": "Low",
      "Waves": "6-7 ft",
      "Water": "52-53℉",
      "Tides": [
        "High 8.5 ft 2:03 am",
        "Low -1.9 ft 9:36 am",
        "High 6.5 ft 4:33 pm",
        "Low 3.1 ft 9:32 pm"
      ],
      "Swell": [
        "WNW 302° 5.6 ft 6s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Wednesday",
      "Date": "2026-05-20",
      "Forecast": "Partly sunny. High near 59, with temperatures falling to around 57 in the afternoon. West wind 1 to 7 mph.",
      "Wind": "W 1 to 7 mph",
      "Weather": "Partly Sunny",
      "Air": "50-59℉",
      "Sunrise": "5:56 am",
      "Sunset": "8:16 pm",
      "Rip Current": "Low",
      "Waves": "6-7 ft",
      "Water": "52-53℉",
      "Tides": [
        "High 8.1 ft 2:58 am",
        "Low -1.6 ft 10:29 am",
        "High 6.5 ft 5:29 pm",
        "Low 3.0 ft 10:34 pm"
      ],
      "Swell": [
        "WNW 301° 5.5 ft 6s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Thursday",
      "Date": "2026-05-21",
      "Forecast": "Patchy fog before 8am. Mostly sunny, with a high near 59. West wind 2 to 8 mph.",
      "Wind": "W 2 to 8 mph",
      "Weather": "Patchy Fog then Mostly Sunny",
      "Air": "51-59℉",
      "Sunrise": "5:55 am",
      "Sunset": "8:17 pm",
      "Rip Current": "Low",
      "Waves": "6-7 ft",
      "Water": "53℉",
      "Tides": [
        "High 7.5 ft 3:59 am",
        "Low -1.1 ft 11:24 am",
        "High 6.6 ft 6:24 pm",
        "Low 2.9 ft 11:42 pm"
      ],
      "Swell": [
        "WNW 300° 6.0 ft 7s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Friday",
      "Date": "2026-05-22",
      "Forecast": "Partly sunny, with a high near 59.",
      "Wind": "SSW 5 to 12 mph",
      "Weather": "Partly Sunny",
      "Air": "51-59℉",
      "Sunrise": "5:55 am",
      "Sunset": "8:18 pm",
      "Rip Current": "Low",
      "Waves": "5-6 ft",
      "Water": "53-54℉",
      "Tides": [
        "High 6.9 ft 5:07 am",
        "Low -0.6 ft 12:20 pm",
        "High 6.8 ft 7:16 pm"
      ],
      "Swell": [
        "WNW 302° 4.7 ft 7s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Saturday",
      "Date": "2026-05-23",
      "Forecast": "Partly sunny, with a high near 59.",
      "Wind": "SSW 8 to 13 mph",
      "Weather": "Partly Sunny",
      "Air": "51-59℉",
      "Sunrise": "5:54 am",
      "Sunset": "8:18 pm",
      "Rip Current": "Low",
      "Waves": "4-5 ft",
      "Water": "53-54℉",
      "Tides": [
        "Low 2.5 ft 12:54 am",
        "High 6.3 ft 6:23 am",
        "Low -0.1 ft 1:15 pm",
        "High 7.1 ft 8:05 pm"
      ],
      "Swell": [
        "WNW 301° 4.3 ft 7s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Sunday",
      "Date": "2026-05-24",
      "Forecast": "Partly sunny, with a high near 59.",
      "Wind": "WSW 3 to 9 mph",
      "Weather": "Partly Sunny",
      "Air": "51-59℉",
      "Sunrise": "5:54 am",
      "Sunset": "8:19 pm",
      "Rip Current": "Low",
      "Waves": "4 ft",
      "Water": "54-55℉",
      "Tides": [
        "Low 1.9 ft 2:05 am",
        "High 5.9 ft 7:40 am",
        "Low 0.4 ft 2:08 pm",
        "High 7.4 ft 8:49 pm"
      ],
      "Swell": [
        "WSW 250° 2.3 ft 10s"
      ]
    },
    {
      "Location": "ca san mateo",
      "Day": "Memorial Day",
      "Date": "2026-05-25",
      "Forecast": "Patchy fog before 8am. Partly sunny, with a high near 57.",
      "Wind": "W 2 to 13 mph",
      "Weather": "Patchy Fog then Partly Sunny",
      "Air": "51-57℉",
      "Sunrise": "5:53 am",
      "Sunset": "8:20 pm",
      "Rip Current": "Low",
      "Waves": "4 ft",
      "Water": "54-55℉",
      "Tides": [
        "Low 1.3 ft 3:11 am",
        "High 5.7 ft 8:54 am",
        "Low 1.0 ft 2:58 pm",
        "High 7.7 ft 9:29 pm"
      ],
      "Swell": [
        "WNW 296° 2.9 ft 10s"
      ]
    }
  ],
  "apiStatus": {
    "total": 7,
    "success": 7,
    "failed": [],
    "log": [
      {
        "step": "Open-Meteo Marine (core)",
        "success": true,
        "url": "https://marine-api.open-meteo.com/v1/marine?latitude=37.4943&longitude=-122.5011&hourly=wave_height,swell_wave_height,swell_wave_direction,swell_wave_period,sea_surface_temperature&length_unit=imperial&timezone=America%2FLos_Angeles&forecast_days=7"
      },
      {
        "step": "NWS SRF text",
        "success": true,
        "url": "https://tgftp.nws.noaa.gov/data/raw/fz/fzus56.kmtr.srf.mtr.txt"
      },
      {
        "step": "Open-Meteo Forecast",
        "success": true,
        "url": "https://api.open-meteo.com/v1/forecast?latitude=37.4943&longitude=-122.5011&daily=sunrise,sunset&timezone=America%2FLos_Angeles&forecast_days=7"
      },
      {
        "step": "NWS Alerts CAZ509",
        "success": true,
        "url": "https://api.weather.gov/alerts/active?zone=CAZ509"
      },
      {
        "step": "NWS /points",
        "success": true,
        "url": "https://api.weather.gov/points/37.4943,-122.5011"
      },
      {
        "step": "NWS /forecast",
        "success": true,
        "url": "https://api.weather.gov/gridpoints/MTR/79,93/forecast"
      },
      {
        "step": "NOAA Tides",
        "success": true,
        "url": "https://api.tidesandcurrents.noaa.gov/api/prod/datagetter?product=predictions&datum=MLLW&station=9414458&begin_date=20260519&end_date=20260526&interval=hilo&units=english&time_zone=lst_ldt&format=json"
      }
    ]
  }
}