20 (土)	05:14	12:01	18:45	-
	138cm	-1cm	129cm	-
中潮 出 05:04 入 18:18 出 21:00 入 06:13 潮干狩り ◎ 09:46～14:18

白浜（千葉）2030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	60.2	↑0.6
4/20 00:10	61.2	↑1.0
4/20 00:20	62.5	↑1.3
4/20 00:30	64.1	↑1.6
4/20 00:40	66.0	↑1.9
4/20 00:50	68.1	↑2.1
4/20 01:00	70.5	↑2.4
4/20 01:10	73.2	↑2.7
4/20 01:20	76.0	↑2.8
4/20 01:30	79.0	↑3.0
4/20 01:40	82.3	↑3.3
4/20 01:50	85.6	↑3.3
4/20 02:00	89.0	↑3.4
4/20 02:10	92.6	↑3.6
4/20 02:20	96.2	↑3.6
4/20 02:30	99.8	↑3.6
4/20 02:40	103.4	↑3.6
4/20 02:50	107.0	↑3.6
4/20 03:00	110.5	↑3.5
4/20 03:10	113.9	↑3.4
4/20 03:20	117.2	↑3.3
4/20 03:30	120.3	↑3.1
4/20 03:40	123.3	↑3.0
4/20 03:50	126.0	↑2.7
4/20 04:00	128.5	↑2.5
4/20 04:10	130.8	↑2.3
4/20 04:20	132.8	↑2.0
4/20 04:30	134.4	↑1.6
4/20 04:40	135.8	↑1.4
4/20 04:50	136.8	↑1.0
4/20 05:00	137.4	↑0.6
4/20 05:10	137.7	↑0.3	満潮
4/20 05:20	137.6	↓-0.1
4/20 05:30	137.2	↓-0.4
4/20 05:40	136.4	↓-0.8
4/20 05:50	135.2	↓-1.2
4/20 06:00	133.6	↓-1.6
4/20 06:10	131.6	↓-2.0
4/20 06:20	129.3	↓-2.3
4/20 06:30	126.6	↓-2.7
4/20 06:40	123.6	↓-3.0
4/20 06:50	120.2	↓-3.4
4/20 07:00	116.5	↓-3.7
4/20 07:10	112.6	↓-3.9
4/20 07:20	108.4	↓-4.2
4/20 07:30	103.9	↓-4.5
4/20 07:40	99.2	↓-4.7
4/20 07:50	94.3	↓-4.9
4/20 08:00	89.2	↓-5.1
4/20 08:10	84.1	↓-5.1
4/20 08:20	78.8	↓-5.3
4/20 08:30	73.4	↓-5.4	最大潮位差
4/20 08:40	68.0	↓-5.4	最大潮位差
4/20 08:50	62.6	↓-5.4	最大潮位差
4/20 09:00	57.3	↓-5.3
4/20 09:10	52.0	↓-5.3
4/20 09:20	46.8	↓-5.2
4/20 09:30	41.7	↓-5.1
4/20 09:40	36.8	↓-4.9
4/20 09:50	32.0	↓-4.8
4/20 10:00	27.5	↓-4.5
4/20 10:10	23.3	↓-4.2
4/20 10:20	19.3	↓-4.0
4/20 10:30	15.6	↓-3.7
4/20 10:40	12.2	↓-3.4
4/20 10:50	9.2	↓-3.0
4/20 11:00	6.6	↓-2.6
4/20 11:10	4.3	↓-2.3
4/20 11:20	2.4	↓-1.9
4/20 11:30	0.9	↓-1.5
4/20 11:40	-0.1	↓-1.0
4/20 11:50	-0.8	↓-0.7
4/20 12:00	-1.0	↓-0.2	干潮
4/20 12:10	-0.8	↑0.2
4/20 12:20	-0.2	↑0.6
4/20 12:30	0.8	↑1.0
4/20 12:40	2.3	↑1.5
4/20 12:50	4.1	↑1.8
4/20 13:00	6.3	↑2.2
4/20 13:10	8.9	↑2.6
4/20 13:20	11.8	↑2.9
4/20 13:30	15.0	↑3.2
4/20 13:40	18.6	↑3.6
4/20 13:50	22.5	↑3.9
4/20 14:00	26.6	↑4.1
4/20 14:10	30.9	↑4.3
4/20 14:20	35.4	↑4.5
4/20 14:30	40.1	↑4.7
4/20 14:40	45.0	↑4.9
4/20 14:50	49.9	↑4.9
4/20 15:00	54.9	↑5.0
4/20 15:10	60.0	↑5.1
4/20 15:20	65.1	↑5.1
4/20 15:30	70.2	↑5.1
4/20 15:40	75.2	↑5.0
4/20 15:50	80.1	↑4.9
4/20 16:00	84.9	↑4.8
4/20 16:10	89.6	↑4.7
4/20 16:20	94.1	↑4.5
4/20 16:30	98.4	↑4.3
4/20 16:40	102.5	↑4.1
4/20 16:50	106.4	↑3.9
4/20 17:00	110.0	↑3.6
4/20 17:10	113.3	↑3.3
4/20 17:20	116.3	↑3.0
4/20 17:30	119.0	↑2.7
4/20 17:40	121.3	↑2.3
4/20 17:50	123.3	↑2.0
4/20 18:00	125.0	↑1.7
4/20 18:10	126.4	↑1.4
4/20 18:20	127.3	↑0.9
4/20 18:30	128.0	↑0.7
4/20 18:40	128.3	↑0.3	満潮
4/20 18:50	128.2	↓-0.1
4/20 19:00	127.8	↓-0.4
4/20 19:10	127.2	↓-0.6
4/20 19:20	126.1	↓-1.1
4/20 19:30	124.9	↓-1.2
4/20 19:40	123.3	↓-1.6
4/20 19:50	121.5	↓-1.8
4/20 20:00	119.4	↓-2.1
4/20 20:10	117.1	↓-2.3
4/20 20:20	114.7	↓-2.4
4/20 20:30	112.0	↓-2.7
4/20 20:40	109.3	↓-2.7
4/20 20:50	106.4	↓-2.9
4/20 21:00	103.5	↓-2.9
4/20 21:10	100.5	↓-3.0
4/20 21:20	97.5	↓-3.0
4/20 21:30	94.4	↓-3.1
4/20 21:40	91.4	↓-3.0
4/20 21:50	88.5	↓-2.9
4/20 22:00	85.7	↓-2.8
4/20 22:10	82.9	↓-2.8
4/20 22:20	80.3	↓-2.6
4/20 22:30	77.9	↓-2.4
4/20 22:40	75.6	↓-2.3
4/20 22:50	73.5	↓-2.1
4/20 23:00	71.7	↓-1.8
4/20 23:10	70.1	↓-1.6
4/20 23:20	68.8	↓-1.3
4/20 23:30	67.7	↓-1.1
4/20 23:40	66.9	↓-0.8
4/20 23:50	66.3	↓-0.6