20 (火)	03:39	10:10	16:42	22:23
	137cm	11cm	137cm	54cm
大潮 出 05:02 入 18:16 出 17:44 入 04:08 潮干狩り ◎ 08:17～12:01

上総勝浦（千葉）2027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	74.0	↑3.6
4/20 00:10	77.8	↑3.8
4/20 00:20	81.6	↑3.8
4/20 00:30	85.5	↑3.9
4/20 00:40	89.5	↑4.0
4/20 00:50	93.5	↑4.0
4/20 01:00	97.5	↑4.0
4/20 01:10	101.4	↑3.9
4/20 01:20	105.2	↑3.8
4/20 01:30	109.0	↑3.8
4/20 01:40	112.6	↑3.6
4/20 01:50	116.0	↑3.4
4/20 02:00	119.3	↑3.3
4/20 02:10	122.3	↑3.0
4/20 02:20	125.1	↑2.8
4/20 02:30	127.6	↑2.5
4/20 02:40	129.8	↑2.2
4/20 02:50	131.7	↑1.9
4/20 03:00	133.3	↑1.6
4/20 03:10	134.5	↑1.2
4/20 03:20	135.4	↑0.9
4/20 03:30	135.9	↑0.5	満潮
4/20 03:40	136.0	↑0.1
4/20 03:50	135.8	↓-0.2
4/20 04:00	135.1	↓-0.7
4/20 04:10	134.1	↓-1.0
4/20 04:20	132.7	↓-1.4
4/20 04:30	130.9	↓-1.8
4/20 04:40	128.8	↓-2.1
4/20 04:50	126.2	↓-2.6
4/20 05:00	123.4	↓-2.8
4/20 05:10	120.2	↓-3.2
4/20 05:20	116.7	↓-3.5
4/20 05:30	113.0	↓-3.7
4/20 05:40	109.0	↓-4.0
4/20 05:50	104.7	↓-4.3
4/20 06:00	100.2	↓-4.5
4/20 06:10	95.6	↓-4.6
4/20 06:20	90.8	↓-4.8
4/20 06:30	85.9	↓-4.9
4/20 06:40	80.9	↓-5.0
4/20 06:50	75.8	↓-5.1	最大潮位差
4/20 07:00	70.7	↓-5.1	最大潮位差
4/20 07:10	65.7	↓-5.0
4/20 07:20	60.6	↓-5.1	最大潮位差
4/20 07:30	55.7	↓-4.9
4/20 07:40	50.9	↓-4.8
4/20 07:50	46.2	↓-4.7
4/20 08:00	41.7	↓-4.5
4/20 08:10	37.4	↓-4.3
4/20 08:20	33.4	↓-4.0
4/20 08:30	29.6	↓-3.8
4/20 08:40	26.0	↓-3.6
4/20 08:50	22.8	↓-3.2
4/20 09:00	20.0	↓-2.8
4/20 09:10	17.4	↓-2.6
4/20 09:20	15.3	↓-2.1
4/20 09:30	13.5	↓-1.8
4/20 09:40	12.1	↓-1.4
4/20 09:50	11.2	↓-0.9
4/20 10:00	10.6	↓-0.6	干潮
4/20 10:10	10.4	↓-0.2	干潮
4/20 10:20	10.7	↑0.3
4/20 10:30	11.4	↑0.7
4/20 10:40	12.4	↑1.0
4/20 10:50	13.9	↑1.5
4/20 11:00	15.8	↑1.9
4/20 11:10	18.0	↑2.2
4/20 11:20	20.6	↑2.6
4/20 11:30	23.6	↑3.0
4/20 11:40	26.9	↑3.3
4/20 11:50	30.4	↑3.5
4/20 12:00	34.3	↑3.9
4/20 12:10	38.4	↑4.1
4/20 12:20	42.8	↑4.4
4/20 12:30	47.3	↑4.5
4/20 12:40	52.0	↑4.7
4/20 12:50	56.9	↑4.9
4/20 13:00	61.8	↑4.9
4/20 13:10	66.8	↑5.0
4/20 13:20	71.9	↑5.1	最大潮位差
4/20 13:30	77.0	↑5.1	最大潮位差
4/20 13:40	82.0	↑5.0
4/20 13:50	87.0	↑5.0
4/20 14:00	91.9	↑4.9
4/20 14:10	96.7	↑4.8
4/20 14:20	101.3	↑4.6
4/20 14:30	105.7	↑4.4
4/20 14:40	109.9	↑4.2
4/20 14:50	113.9	↑4.0
4/20 15:00	117.6	↑3.7
4/20 15:10	121.1	↑3.5
4/20 15:20	124.2	↑3.1
4/20 15:30	127.0	↑2.8
4/20 15:40	129.4	↑2.4
4/20 15:50	131.5	↑2.1
4/20 16:00	133.3	↑1.8
4/20 16:10	134.7	↑1.4
4/20 16:20	135.6	↑0.9
4/20 16:30	136.2	↑0.6
4/20 16:40	136.5	↑0.3	満潮
4/20 16:50	136.3	↓-0.2
4/20 17:00	135.8	↓-0.5
4/20 17:10	134.9	↓-0.9
4/20 17:20	133.7	↓-1.2
4/20 17:30	132.1	↓-1.6
4/20 17:40	130.2	↓-1.9
4/20 17:50	128.0	↓-2.2
4/20 18:00	125.6	↓-2.4
4/20 18:10	122.8	↓-2.8
4/20 18:20	119.9	↓-2.9
4/20 18:30	116.7	↓-3.2
4/20 18:40	113.3	↓-3.4
4/20 18:50	109.8	↓-3.5
4/20 19:00	106.2	↓-3.6
4/20 19:10	102.5	↓-3.7
4/20 19:20	98.7	↓-3.8
4/20 19:30	94.9	↓-3.8
4/20 19:40	91.1	↓-3.8
4/20 19:50	87.4	↓-3.7
4/20 20:00	83.7	↓-3.7
4/20 20:10	80.1	↓-3.6
4/20 20:20	76.6	↓-3.5
4/20 20:30	73.3	↓-3.3
4/20 20:40	70.2	↓-3.1
4/20 20:50	67.3	↓-2.9
4/20 21:00	64.6	↓-2.7
4/20 21:10	62.1	↓-2.5
4/20 21:20	60.0	↓-2.1
4/20 21:30	58.1	↓-1.9
4/20 21:40	56.5	↓-1.6
4/20 21:50	55.3	↓-1.2
4/20 22:00	54.4	↓-0.9
4/20 22:10	53.8	↓-0.6
4/20 22:20	53.6	↓-0.2	干潮
4/20 22:30	53.7	↑0.1
4/20 22:40	54.2	↑0.5
4/20 22:50	55.0	↑0.8
4/20 23:00	56.1	↑1.1
4/20 23:10	57.6	↑1.5
4/20 23:20	59.3	↑1.7
4/20 23:30	61.4	↑2.1
4/20 23:40	63.8	↑2.4
4/20 23:50	66.4	↑2.6