29 (火)	03:56	10:50	18:00	23:05
	115cm	-11cm	117cm	70cm
大潮 出 04:48 入 18:25 出 05:21 入 20:27 潮干狩り ◎ 08:12～13:31

那珂湊（茨城）2025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	68.8	↑1.9
4/29 00:10	70.9	↑2.1
4/29 00:20	73.1	↑2.2
4/29 00:30	75.4	↑2.3
4/29 00:40	77.8	↑2.4
4/29 00:50	80.4	↑2.6
4/29 01:00	82.9	↑2.5
4/29 01:10	85.5	↑2.6
4/29 01:20	88.2	↑2.7
4/29 01:30	90.8	↑2.6
4/29 01:40	93.3	↑2.5
4/29 01:50	95.9	↑2.6
4/29 02:00	98.3	↑2.4
4/29 02:10	100.7	↑2.4
4/29 02:20	102.9	↑2.2
4/29 02:30	105.0	↑2.1
4/29 02:40	106.9	↑1.9
4/29 02:50	108.7	↑1.8
4/29 03:00	110.2	↑1.5
4/29 03:10	111.5	↑1.3
4/29 03:20	112.6	↑1.1
4/29 03:30	113.4	↑0.8
4/29 03:40	114.0	↑0.6
4/29 03:50	114.3	↑0.3	満潮
4/29 04:00	114.3	0
4/29 04:10	114.0	↓-0.3
4/29 04:20	113.4	↓-0.6
4/29 04:30	112.4	↓-1.0
4/29 04:40	111.2	↓-1.2
4/29 04:50	109.7	↓-1.5
4/29 05:00	107.8	↓-1.9
4/29 05:10	105.7	↓-2.1
4/29 05:20	103.2	↓-2.5
4/29 05:30	100.4	↓-2.8
4/29 05:40	97.4	↓-3.0
4/29 05:50	94.1	↓-3.3
4/29 06:00	90.5	↓-3.6
4/29 06:10	86.7	↓-3.8
4/29 06:20	82.7	↓-4.0
4/29 06:30	78.5	↓-4.2
4/29 06:40	74.1	↓-4.4
4/29 06:50	69.6	↓-4.5
4/29 07:00	64.9	↓-4.7
4/29 07:10	60.2	↓-4.7
4/29 07:20	55.3	↓-4.9	最大潮位差
4/29 07:30	50.5	↓-4.8
4/29 07:40	45.6	↓-4.9	最大潮位差
4/29 07:50	40.8	↓-4.8
4/29 08:00	36.0	↓-4.8
4/29 08:10	31.3	↓-4.7
4/29 08:20	26.8	↓-4.5
4/29 08:30	22.4	↓-4.4
4/29 08:40	18.1	↓-4.3
4/29 08:50	14.1	↓-4.0
4/29 09:00	10.3	↓-3.8
4/29 09:10	6.7	↓-3.6
4/29 09:20	3.4	↓-3.3
4/29 09:30	0.5	↓-2.9
4/29 09:40	-2.2	↓-2.7
4/29 09:50	-4.5	↓-2.3
4/29 10:00	-6.5	↓-2.0
4/29 10:10	-8.2	↓-1.7
4/29 10:20	-9.4	↓-1.2
4/29 10:30	-10.3	↓-0.9
4/29 10:40	-10.9	↓-0.6	干潮
4/29 10:50	-11.0	↓-0.1	干潮
4/29 11:00	-10.8	↑0.2
4/29 11:10	-10.2	↑0.6
4/29 11:20	-9.2	↑1.0
4/29 11:30	-7.9	↑1.3
4/29 11:40	-6.2	↑1.7
4/29 11:50	-4.2	↑2.0
4/29 12:00	-1.9	↑2.3
4/29 12:10	0.8	↑2.7
4/29 12:20	3.7	↑2.9
4/29 12:30	6.9	↑3.2
4/29 12:40	10.3	↑3.4
4/29 12:50	14.0	↑3.7
4/29 13:00	17.9	↑3.9
4/29 13:10	22.0	↑4.1
4/29 13:20	26.2	↑4.2
4/29 13:30	30.6	↑4.4
4/29 13:40	35.1	↑4.5
4/29 13:50	39.7	↑4.6
4/29 14:00	44.3	↑4.6
4/29 14:10	49.0	↑4.7
4/29 14:20	53.7	↑4.7
4/29 14:30	58.4	↑4.7
4/29 14:40	63.1	↑4.7
4/29 14:50	67.6	↑4.5
4/29 15:00	72.1	↑4.5
4/29 15:10	76.5	↑4.4
4/29 15:20	80.8	↑4.3
4/29 15:30	84.9	↑4.1
4/29 15:40	88.8	↑3.9
4/29 15:50	92.5	↑3.7
4/29 16:00	96.0	↑3.5
4/29 16:10	99.3	↑3.3
4/29 16:20	102.4	↑3.1
4/29 16:30	105.1	↑2.7
4/29 16:40	107.6	↑2.5
4/29 16:50	109.8	↑2.2
4/29 17:00	111.8	↑2.0
4/29 17:10	113.4	↑1.6
4/29 17:20	114.7	↑1.3
4/29 17:30	115.7	↑1.0
4/29 17:40	116.4	↑0.7
4/29 17:50	116.9	↑0.5	満潮
4/29 18:00	117.0	↑0.1	満潮
4/29 18:10	116.8	↓-0.2
4/29 18:20	116.3	↓-0.5
4/29 18:30	115.6	↓-0.7
4/29 18:40	114.6	↓-1.0
4/29 18:50	113.4	↓-1.2
4/29 19:00	111.9	↓-1.5
4/29 19:10	110.3	↓-1.6
4/29 19:20	108.5	↓-1.8
4/29 19:30	106.5	↓-2.0
4/29 19:40	104.4	↓-2.1
4/29 19:50	102.1	↓-2.3
4/29 20:00	99.8	↓-2.3
4/29 20:10	97.4	↓-2.4
4/29 20:20	95.0	↓-2.4
4/29 20:30	92.6	↓-2.4
4/29 20:40	90.2	↓-2.4
4/29 20:50	87.8	↓-2.4
4/29 21:00	85.5	↓-2.3
4/29 21:10	83.3	↓-2.2
4/29 21:20	81.2	↓-2.1
4/29 21:30	79.2	↓-2.0
4/29 21:40	77.4	↓-1.8
4/29 21:50	75.7	↓-1.7
4/29 22:00	74.2	↓-1.5
4/29 22:10	72.9	↓-1.3
4/29 22:20	71.8	↓-1.1
4/29 22:30	71.0	↓-0.8
4/29 22:40	70.3	↓-0.7
4/29 22:50	69.9	↓-0.4
4/29 23:00	69.7	↓-0.2	干潮
4/29 23:10	69.7	0
4/29 23:20	70.0	↑0.3
4/29 23:30	70.4	↑0.4
4/29 23:40	71.1	↑0.7
4/29 23:50	72.0	↑0.9