29 (金)	05:42	00:23	21:12	13:20
	106cm	79cm	95cm	11cm
小潮 出 04:48 入 18:24 出 08:36 入 23:39 潮干狩り ◎ 11:05～15:44

那珂湊（茨城）2039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	78.6	↓-0.4
4/29 00:10	78.4	↓-0.2
4/29 00:20	78.3	↓-0.1	干潮
4/29 00:30	78.4	↑0.1
4/29 00:40	78.5	↑0.1
4/29 00:50	78.8	↑0.3
4/29 01:00	79.3	↑0.5
4/29 01:10	79.8	↑0.5
4/29 01:20	80.5	↑0.7
4/29 01:30	81.3	↑0.8
4/29 01:40	82.1	↑0.8
4/29 01:50	83.1	↑1.0
4/29 02:00	84.1	↑1.0
4/29 02:10	85.3	↑1.2
4/29 02:20	86.4	↑1.1
4/29 02:30	87.7	↑1.3
4/29 02:40	88.9	↑1.2
4/29 02:50	90.2	↑1.3
4/29 03:00	91.5	↑1.3
4/29 03:10	92.8	↑1.3
4/29 03:20	94.1	↑1.3
4/29 03:30	95.4	↑1.3
4/29 03:40	96.7	↑1.3
4/29 03:50	97.9	↑1.2
4/29 04:00	99.0	↑1.1
4/29 04:10	100.1	↑1.1
4/29 04:20	101.1	↑1.0
4/29 04:30	102.1	↑1.0
4/29 04:40	102.9	↑0.8
4/29 04:50	103.7	↑0.8
4/29 05:00	104.3	↑0.6
4/29 05:10	104.8	↑0.5
4/29 05:20	105.2	↑0.4
4/29 05:30	105.4	↑0.2
4/29 05:40	105.5	↑0.1	満潮
4/29 05:50	105.5	0
4/29 06:00	105.2	↓-0.3
4/29 06:10	104.9	↓-0.3
4/29 06:20	104.3	↓-0.6
4/29 06:30	103.6	↓-0.7
4/29 06:40	102.7	↓-0.9
4/29 06:50	101.6	↓-1.1
4/29 07:00	100.4	↓-1.2
4/29 07:10	98.9	↓-1.5
4/29 07:20	97.3	↓-1.6
4/29 07:30	95.5	↓-1.8
4/29 07:40	93.5	↓-2.0
4/29 07:50	91.3	↓-2.2
4/29 08:00	89.0	↓-2.3
4/29 08:10	86.5	↓-2.5
4/29 08:20	83.8	↓-2.7
4/29 08:30	81.0	↓-2.8
4/29 08:40	78.1	↓-2.9
4/29 08:50	75.0	↓-3.1
4/29 09:00	71.8	↓-3.2
4/29 09:10	68.6	↓-3.2
4/29 09:20	65.3	↓-3.3
4/29 09:30	61.9	↓-3.4
4/29 09:40	58.4	↓-3.5	最大潮位差
4/29 09:50	55.0	↓-3.4
4/29 10:00	51.6	↓-3.4
4/29 10:10	48.2	↓-3.4
4/29 10:20	44.8	↓-3.4
4/29 10:30	41.5	↓-3.3
4/29 10:40	38.2	↓-3.3
4/29 10:50	35.1	↓-3.1
4/29 11:00	32.1	↓-3.0
4/29 11:10	29.2	↓-2.9
4/29 11:20	26.5	↓-2.7
4/29 11:30	24.0	↓-2.5
4/29 11:40	21.6	↓-2.4
4/29 11:50	19.4	↓-2.2
4/29 12:00	17.5	↓-1.9
4/29 12:10	15.7	↓-1.8
4/29 12:20	14.2	↓-1.5
4/29 12:30	12.9	↓-1.3
4/29 12:40	11.9	↓-1.0
4/29 12:50	11.1	↓-0.8
4/29 13:00	10.5	↓-0.6
4/29 13:10	10.2	↓-0.3	干潮
4/29 13:20	10.1	↓-0.1	干潮
4/29 13:30	10.2	↑0.1
4/29 13:40	10.6	↑0.4
4/29 13:50	11.2	↑0.6
4/29 14:00	12.0	↑0.8
4/29 14:10	13.0	↑1.0
4/29 14:20	14.2	↑1.2
4/29 14:30	15.6	↑1.4
4/29 14:40	17.2	↑1.6
4/29 14:50	18.9	↑1.7
4/29 15:00	20.8	↑1.9
4/29 15:10	22.9	↑2.1
4/29 15:20	25.0	↑2.1
4/29 15:30	27.3	↑2.3
4/29 15:40	29.7	↑2.4
4/29 15:50	32.2	↑2.5
4/29 16:00	34.8	↑2.6
4/29 16:10	37.4	↑2.6
4/29 16:20	40.1	↑2.7
4/29 16:30	42.9	↑2.8
4/29 16:40	45.7	↑2.8
4/29 16:50	48.5	↑2.8
4/29 17:00	51.3	↑2.8
4/29 17:10	54.1	↑2.8
4/29 17:20	56.9	↑2.8
4/29 17:30	59.6	↑2.7
4/29 17:40	62.4	↑2.8
4/29 17:50	65.0	↑2.6
4/29 18:00	67.7	↑2.7
4/29 18:10	70.2	↑2.5
4/29 18:20	72.7	↑2.5
4/29 18:30	75.0	↑2.3
4/29 18:40	77.3	↑2.3
4/29 18:50	79.5	↑2.2
4/29 19:00	81.5	↑2.0
4/29 19:10	83.4	↑1.9
4/29 19:20	85.1	↑1.7
4/29 19:30	86.8	↑1.7
4/29 19:40	88.2	↑1.4
4/29 19:50	89.6	↑1.4
4/29 20:00	90.7	↑1.1
4/29 20:10	91.7	↑1.0
4/29 20:20	92.5	↑0.8
4/29 20:30	93.2	↑0.7
4/29 20:40	93.7	↑0.5
4/29 20:50	94.1	↑0.4
4/29 21:00	94.3	↑0.2
4/29 21:10	94.4	↑0.1	満潮
4/29 21:20	94.4	0
4/29 21:30	94.2	↓-0.2
4/29 21:40	93.9	↓-0.3
4/29 21:50	93.5	↓-0.4
4/29 22:00	93.0	↓-0.5
4/29 22:10	92.4	↓-0.6
4/29 22:20	91.8	↓-0.6
4/29 22:30	91.1	↓-0.7
4/29 22:40	90.4	↓-0.7
4/29 22:50	89.7	↓-0.7
4/29 23:00	88.9	↓-0.8
4/29 23:10	88.2	↓-0.7
4/29 23:20	87.4	↓-0.8
4/29 23:30	86.7	↓-0.7
4/29 23:40	86.1	↓-0.6
4/29 23:50	85.5	↓-0.6