29 (木)	04:33	11:21	18:29	23:38
	113cm	-6cm	116cm	68cm
中潮 出 04:48 入 18:25 出 21:06 入 06:12 潮干狩り ◎ 08:51～13:55

那珂湊（茨城）2021年04月29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
4/29 00:00	60.4	↑1.3
4/29 00:10	61.9	↑1.5
4/29 00:20	63.6	↑1.7
4/29 00:30	65.5	↑1.9
4/29 00:40	67.5	↑2.0
4/29 00:50	69.7	↑2.2
4/29 01:00	72.0	↑2.3
4/29 01:10	74.4	↑2.4
4/29 01:20	76.9	↑2.5
4/29 01:30	79.5	↑2.6
4/29 01:40	82.1	↑2.6
4/29 01:50	84.7	↑2.6
4/29 02:00	87.4	↑2.7
4/29 02:10	90.0	↑2.6
4/29 02:20	92.6	↑2.6
4/29 02:30	95.1	↑2.5
4/29 02:40	97.5	↑2.4
4/29 02:50	99.8	↑2.3
4/29 03:00	102.0	↑2.2
4/29 03:10	104.0	↑2.0
4/29 03:20	105.9	↑1.9
4/29 03:30	107.5	↑1.6
4/29 03:40	109.0	↑1.5
4/29 03:50	110.3	↑1.3
4/29 04:00	111.3	↑1.0
4/29 04:10	112.0	↑0.7
4/29 04:20	112.5	↑0.5
4/29 04:30	112.7	↑0.2	満潮
4/29 04:40	112.6	↓-0.1
4/29 04:50	112.2	↓-0.4
4/29 05:00	111.6	↓-0.6
4/29 05:10	110.6	↓-1.0
4/29 05:20	109.3	↓-1.3
4/29 05:30	107.7	↓-1.6
4/29 05:40	105.7	↓-2.0
4/29 05:50	103.5	↓-2.2
4/29 06:00	101.0	↓-2.5
4/29 06:10	98.2	↓-2.8
4/29 06:20	95.2	↓-3.0
4/29 06:30	91.8	↓-3.4
4/29 06:40	88.3	↓-3.5
4/29 06:50	84.5	↓-3.8
4/29 07:00	80.5	↓-4.0
4/29 07:10	76.3	↓-4.2
4/29 07:20	72.0	↓-4.3
4/29 07:30	67.5	↓-4.5
4/29 07:40	63.0	↓-4.5
4/29 07:50	58.3	↓-4.7	最大潮位差
4/29 08:00	53.7	↓-4.6
4/29 08:10	49.0	↓-4.7	最大潮位差
4/29 08:20	44.3	↓-4.7	最大潮位差
4/29 08:30	39.7	↓-4.6
4/29 08:40	35.1	↓-4.6
4/29 08:50	30.7	↓-4.4
4/29 09:00	26.4	↓-4.3
4/29 09:10	22.3	↓-4.1
4/29 09:20	18.3	↓-4.0
4/29 09:30	14.6	↓-3.7
4/29 09:40	11.1	↓-3.5
4/29 09:50	7.9	↓-3.2
4/29 10:00	5.0	↓-2.9
4/29 10:10	2.4	↓-2.6
4/29 10:20	0.1	↓-2.3
4/29 10:30	-1.9	↓-2.0
4/29 10:40	-3.5	↓-1.6
4/29 10:50	-4.8	↓-1.3
4/29 11:00	-5.7	↓-0.9
4/29 11:10	-6.3	↓-0.6
4/29 11:20	-6.5	↓-0.2	干潮
4/29 11:30	-6.3	↑0.2
4/29 11:40	-5.8	↑0.5
4/29 11:50	-4.9	↑0.9
4/29 12:00	-3.7	↑1.2
4/29 12:10	-2.1	↑1.6
4/29 12:20	-0.2	↑1.9
4/29 12:30	2.0	↑2.2
4/29 12:40	4.4	↑2.4
4/29 12:50	7.2	↑2.8
4/29 13:00	10.3	↑3.1
4/29 13:10	13.5	↑3.2
4/29 13:20	17.0	↑3.5
4/29 13:30	20.7	↑3.7
4/29 13:40	24.6	↑3.9
4/29 13:50	28.7	↑4.1
4/29 14:00	32.8	↑4.1
4/29 14:10	37.1	↑4.3
4/29 14:20	41.5	↑4.4
4/29 14:30	45.9	↑4.4
4/29 14:40	50.4	↑4.5
4/29 14:50	54.9	↑4.5
4/29 15:00	59.4	↑4.5
4/29 15:10	63.8	↑4.4
4/29 15:20	68.2	↑4.4
4/29 15:30	72.5	↑4.3
4/29 15:40	76.8	↑4.3
4/29 15:50	80.8	↑4.0
4/29 16:00	84.8	↑4.0
4/29 16:10	88.6	↑3.8
4/29 16:20	92.2	↑3.6
4/29 16:30	95.5	↑3.3
4/29 16:40	98.7	↑3.2
4/29 16:50	101.6	↑2.9
4/29 17:00	104.3	↑2.7
4/29 17:10	106.7	↑2.4
4/29 17:20	108.9	↑2.2
4/29 17:30	110.7	↑1.8
4/29 17:40	112.3	↑1.6
4/29 17:50	113.5	↑1.2
4/29 18:00	114.5	↑1.0
4/29 18:10	115.2	↑0.7
4/29 18:20	115.5	↑0.3	満潮
4/29 18:30	115.6	↑0.1
4/29 18:40	115.4	↓-0.2
4/29 18:50	114.9	↓-0.5
4/29 19:00	114.1	↓-0.8
4/29 19:10	113.1	↓-1.0
4/29 19:20	111.9	↓-1.2
4/29 19:30	110.4	↓-1.5
4/29 19:40	108.7	↓-1.7
4/29 19:50	106.9	↓-1.8
4/29 20:00	104.9	↓-2.0
4/29 20:10	102.7	↓-2.2
4/29 20:20	100.5	↓-2.2
4/29 20:30	98.1	↓-2.4
4/29 20:40	95.7	↓-2.4
4/29 20:50	93.3	↓-2.4
4/29 21:00	90.8	↓-2.5
4/29 21:10	88.4	↓-2.4
4/29 21:20	86.0	↓-2.4
4/29 21:30	83.6	↓-2.4
4/29 21:40	81.4	↓-2.2
4/29 21:50	79.3	↓-2.1
4/29 22:00	77.3	↓-2.0
4/29 22:10	75.4	↓-1.9
4/29 22:20	73.7	↓-1.7
4/29 22:30	72.2	↓-1.5
4/29 22:40	70.8	↓-1.4
4/29 22:50	69.7	↓-1.1
4/29 23:00	68.8	↓-0.9
4/29 23:10	68.1	↓-0.7
4/29 23:20	67.6	↓-0.5
4/29 23:30	67.3	↓-0.3	干潮
4/29 23:40	67.3	0
4/29 23:50	67.5	↑0.2