20 (木)	05:06	11:26	17:52	23:42
	153cm	10cm	155cm	53cm
大潮 出 05:09 入 18:21 出 05:07 入 18:29 潮干狩り ◎ 09:33～13:17

南伊豆（静岡）2023年04月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/20 00:00	45.9	↑2.0
4/20 00:10	48.3	↑2.4
4/20 00:20	51.0	↑2.7
4/20 00:30	54.1	↑3.1
4/20 00:40	57.4	↑3.3
4/20 00:50	61.1	↑3.7
4/20 01:00	65.1	↑4.0
4/20 01:10	69.2	↑4.1
4/20 01:20	73.6	↑4.4
4/20 01:30	78.2	↑4.6
4/20 01:40	82.9	↑4.7
4/20 01:50	87.6	↑4.7
4/20 02:00	92.5	↑4.9
4/20 02:10	97.4	↑4.9
4/20 02:20	102.3	↑4.9
4/20 02:30	107.1	↑4.8
4/20 02:40	111.9	↑4.8
4/20 02:50	116.5	↑4.6
4/20 03:00	121.0	↑4.5
4/20 03:10	125.3	↑4.3
4/20 03:20	129.4	↑4.1
4/20 03:30	133.3	↑3.9
4/20 03:40	136.9	↑3.6
4/20 03:50	140.1	↑3.2
4/20 04:00	143.0	↑2.9
4/20 04:10	145.6	↑2.6
4/20 04:20	147.8	↑2.2
4/20 04:30	149.5	↑1.7
4/20 04:40	150.9	↑1.4
4/20 04:50	151.8	↑0.9
4/20 05:00	152.3	↑0.5	満潮
4/20 05:10	152.3	0
4/20 05:20	151.8	↓-0.5
4/20 05:30	150.9	↓-0.9
4/20 05:40	149.5	↓-1.4
4/20 05:50	147.7	↓-1.8
4/20 06:00	145.4	↓-2.3
4/20 06:10	142.6	↓-2.8
4/20 06:20	139.5	↓-3.1
4/20 06:30	135.9	↓-3.6
4/20 06:40	132.0	↓-3.9
4/20 06:50	127.7	↓-4.3
4/20 07:00	123.1	↓-4.6
4/20 07:10	118.2	↓-4.9
4/20 07:20	113.1	↓-5.1
4/20 07:30	107.7	↓-5.4
4/20 07:40	102.1	↓-5.6
4/20 07:50	96.4	↓-5.7
4/20 08:00	90.6	↓-5.8
4/20 08:10	84.7	↓-5.9
4/20 08:20	78.7	↓-6.0	最大潮位差
4/20 08:30	72.8	↓-5.9
4/20 08:40	66.9	↓-5.9
4/20 08:50	61.1	↓-5.8
4/20 09:00	55.5	↓-5.6
4/20 09:10	50.0	↓-5.5
4/20 09:20	44.8	↓-5.2
4/20 09:30	39.7	↓-5.1
4/20 09:40	35.0	↓-4.7
4/20 09:50	30.6	↓-4.4
4/20 10:00	26.5	↓-4.1
4/20 10:10	22.8	↓-3.7
4/20 10:20	19.5	↓-3.3
4/20 10:30	16.7	↓-2.8
4/20 10:40	14.2	↓-2.5
4/20 10:50	12.3	↓-1.9
4/20 11:00	10.8	↓-1.5
4/20 11:10	9.9	↓-0.9
4/20 11:20	9.4	↓-0.5	干潮
4/20 11:30	9.4	0
4/20 11:40	9.9	↑0.5
4/20 11:50	10.9	↑1.0
4/20 12:00	12.4	↑1.5
4/20 12:10	14.4	↑2.0
4/20 12:20	16.9	↑2.5
4/20 12:30	19.8	↑2.9
4/20 12:40	23.1	↑3.3
4/20 12:50	26.9	↑3.8
4/20 13:00	31.0	↑4.1
4/20 13:10	35.4	↑4.4
4/20 13:20	40.1	↑4.7
4/20 13:30	45.2	↑5.1
4/20 13:40	50.4	↑5.2
4/20 13:50	55.9	↑5.5
4/20 14:00	61.5	↑5.6
4/20 14:10	67.3	↑5.8
4/20 14:20	73.2	↑5.9
4/20 14:30	79.1	↑5.9
4/20 14:40	85.0	↑5.9
4/20 14:50	90.8	↑5.8
4/20 15:00	96.6	↑5.8
4/20 15:10	102.3	↑5.7
4/20 15:20	107.9	↑5.6
4/20 15:30	113.2	↑5.3
4/20 15:40	118.4	↑5.2
4/20 15:50	123.3	↑4.9
4/20 16:00	128.0	↑4.7
4/20 16:10	132.3	↑4.3
4/20 16:20	136.3	↑4.0
4/20 16:30	139.9	↑3.6
4/20 16:40	143.2	↑3.3
4/20 16:50	146.1	↑2.9
4/20 17:00	148.6	↑2.5
4/20 17:10	150.6	↑2.0
4/20 17:20	152.2	↑1.6
4/20 17:30	153.4	↑1.2
4/20 17:40	154.1	↑0.7
4/20 17:50	154.3	↑0.2	満潮
4/20 18:00	154.2	↓-0.1
4/20 18:10	153.5	↓-0.7
4/20 18:20	152.5	↓-1.0
4/20 18:30	151.1	↓-1.4
4/20 18:40	149.2	↓-1.9
4/20 18:50	147.0	↓-2.2
4/20 19:00	144.4	↓-2.6
4/20 19:10	141.4	↓-3.0
4/20 19:20	138.2	↓-3.2
4/20 19:30	134.7	↓-3.5
4/20 19:40	130.9	↓-3.8
4/20 19:50	126.9	↓-4.0
4/20 20:00	122.8	↓-4.1
4/20 20:10	118.5	↓-4.3
4/20 20:20	114.0	↓-4.5
4/20 20:30	109.5	↓-4.5
4/20 20:40	105.0	↓-4.5
4/20 20:50	100.4	↓-4.6
4/20 21:00	95.9	↓-4.5
4/20 21:10	91.4	↓-4.5
4/20 21:20	87.1	↓-4.3
4/20 21:30	82.8	↓-4.3
4/20 21:40	78.8	↓-4.0
4/20 21:50	74.9	↓-3.9
4/20 22:00	71.2	↓-3.7
4/20 22:10	67.8	↓-3.4
4/20 22:20	64.7	↓-3.1
4/20 22:30	61.9	↓-2.8
4/20 22:40	59.4	↓-2.5
4/20 22:50	57.2	↓-2.2
4/20 23:00	55.4	↓-1.8
4/20 23:10	54.0	↓-1.4
4/20 23:20	53.0	↓-1.0
4/20 23:30	52.4	↓-0.6
4/20 23:40	52.1	↓-0.3	干潮
4/20 23:50	52.3	↑0.2