20 (水)	05:08	12:14	19:37	-
	110cm	-3cm	106cm	-
中潮 出 04:59 入 18:17 出 22:30 入 07:10 潮干狩り ◎ 09:40～14:55

那珂湊（茨城）2022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	66.0	↑0.2
4/20 00:10	66.5	↑0.5
4/20 00:20	67.1	↑0.6
4/20 00:30	67.9	↑0.8
4/20 00:40	68.9	↑1.0
4/20 00:50	70.1	↑1.2
4/20 01:00	71.4	↑1.3
4/20 01:10	72.9	↑1.5
4/20 01:20	74.5	↑1.6
4/20 01:30	76.2	↑1.7
4/20 01:40	78.1	↑1.9
4/20 01:50	80.0	↑1.9
4/20 02:00	82.0	↑2.0
4/20 02:10	84.0	↑2.0
4/20 02:20	86.1	↑2.1
4/20 02:30	88.2	↑2.1
4/20 02:40	90.3	↑2.1
4/20 02:50	92.3	↑2.0
4/20 03:00	94.3	↑2.0
4/20 03:10	96.3	↑2.0
4/20 03:20	98.2	↑1.9
4/20 03:30	100.0	↑1.8
4/20 03:40	101.7	↑1.7
4/20 03:50	103.2	↑1.5
4/20 04:00	104.7	↑1.5
4/20 04:10	105.9	↑1.2
4/20 04:20	107.0	↑1.1
4/20 04:30	107.9	↑0.9
4/20 04:40	108.7	↑0.8
4/20 04:50	109.2	↑0.5
4/20 05:00	109.5	↑0.3	満潮
4/20 05:10	109.5	0
4/20 05:20	109.3	↓-0.2
4/20 05:30	108.9	↓-0.4
4/20 05:40	108.2	↓-0.7
4/20 05:50	107.3	↓-0.9
4/20 06:00	106.1	↓-1.2
4/20 06:10	104.6	↓-1.5
4/20 06:20	102.9	↓-1.7
4/20 06:30	100.9	↓-2.0
4/20 06:40	98.6	↓-2.3
4/20 06:50	96.1	↓-2.5
4/20 07:00	93.4	↓-2.7
4/20 07:10	90.4	↓-3.0
4/20 07:20	87.2	↓-3.2
4/20 07:30	83.8	↓-3.4
4/20 07:40	80.2	↓-3.6
4/20 07:50	76.5	↓-3.7
4/20 08:00	72.6	↓-3.9
4/20 08:10	68.5	↓-4.1
4/20 08:20	64.4	↓-4.1
4/20 08:30	60.2	↓-4.2
4/20 08:40	55.9	↓-4.3	最大潮位差
4/20 08:50	51.6	↓-4.3	最大潮位差
4/20 09:00	47.3	↓-4.3	最大潮位差
4/20 09:10	43.0	↓-4.3	最大潮位差
4/20 09:20	38.7	↓-4.3	最大潮位差
4/20 09:30	34.6	↓-4.1
4/20 09:40	30.5	↓-4.1
4/20 09:50	26.6	↓-3.9
4/20 10:00	22.8	↓-3.8
4/20 10:10	19.2	↓-3.6
4/20 10:20	15.8	↓-3.4
4/20 10:30	12.6	↓-3.2
4/20 10:40	9.7	↓-2.9
4/20 10:50	7.0	↓-2.7
4/20 11:00	4.6	↓-2.4
4/20 11:10	2.5	↓-2.1
4/20 11:20	0.6	↓-1.9
4/20 11:30	-0.9	↓-1.5
4/20 11:40	-2.1	↓-1.2
4/20 11:50	-3.0	↓-0.9
4/20 12:00	-3.6	↓-0.6
4/20 12:10	-3.8	↓-0.2	干潮
4/20 12:20	-3.7	↑0.1
4/20 12:30	-3.3	↑0.4
4/20 12:40	-2.6	↑0.7
4/20 12:50	-1.6	↑1.0
4/20 13:00	-0.4	↑1.2
4/20 13:10	1.2	↑1.6
4/20 13:20	3.1	↑1.9
4/20 13:30	5.1	↑2.0
4/20 13:40	7.5	↑2.4
4/20 13:50	10.0	↑2.5
4/20 14:00	12.8	↑2.8
4/20 14:10	15.8	↑3.0
4/20 14:20	18.9	↑3.1
4/20 14:30	22.2	↑3.3
4/20 14:40	25.6	↑3.4
4/20 14:50	29.2	↑3.6
4/20 15:00	32.8	↑3.6
4/20 15:10	36.5	↑3.7
4/20 15:20	40.3	↑3.8
4/20 15:30	44.2	↑3.9
4/20 15:40	48.0	↑3.8
4/20 15:50	51.9	↑3.9
4/20 16:00	55.7	↑3.8
4/20 16:10	59.5	↑3.8
4/20 16:20	63.3	↑3.8
4/20 16:30	67.0	↑3.7
4/20 16:40	70.6	↑3.6
4/20 16:50	74.1	↑3.5
4/20 17:00	77.5	↑3.4
4/20 17:10	80.7	↑3.2
4/20 17:20	83.8	↑3.1
4/20 17:30	86.7	↑2.9
4/20 17:40	89.4	↑2.7
4/20 17:50	92.0	↑2.6
4/20 18:00	94.3	↑2.3
4/20 18:10	96.4	↑2.1
4/20 18:20	98.3	↑1.9
4/20 18:30	100.0	↑1.7
4/20 18:40	101.4	↑1.4
4/20 18:50	102.6	↑1.2
4/20 19:00	103.6	↑1.0
4/20 19:10	104.3	↑0.7
4/20 19:20	104.8	↑0.5
4/20 19:30	105.1	↑0.3	満潮
4/20 19:40	105.1	0
4/20 19:50	104.9	↓-0.2
4/20 20:00	104.5	↓-0.4
4/20 20:10	103.9	↓-0.6
4/20 20:20	103.1	↓-0.8
4/20 20:30	102.2	↓-0.9
4/20 20:40	101.1	↓-1.1
4/20 20:50	99.9	↓-1.2
4/20 21:00	98.5	↓-1.4
4/20 21:10	97.1	↓-1.4
4/20 21:20	95.5	↓-1.6
4/20 21:30	94.0	↓-1.5
4/20 21:40	92.3	↓-1.7
4/20 21:50	90.7	↓-1.6
4/20 22:00	89.1	↓-1.6
4/20 22:10	87.5	↓-1.6
4/20 22:20	86.0	↓-1.5
4/20 22:30	84.5	↓-1.5
4/20 22:40	83.1	↓-1.4
4/20 22:50	81.8	↓-1.3
4/20 23:00	80.6	↓-1.2
4/20 23:10	79.5	↓-1.1
4/20 23:20	78.6	↓-0.9
4/20 23:30	77.8	↓-0.8
4/20 23:40	77.2	↓-0.6
4/20 23:50	76.7	↓-0.5