09 (火)	06:09	00:32	21:18	13:39
	104cm	73cm	89cm	15cm
小潮 出 05:14 入 18:07 出 09:01 入 23:47 潮干狩り ◎ 11:34～15:53

那珂湊（茨城）2030年04月09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
4/9 00:00	73.6	↓-0.4
4/9 00:10	73.2	↓-0.4
4/9 00:20	73.0	↓-0.2
4/9 00:30	72.9	↓-0.1	干潮
4/9 00:40	73.0	↑0.1
4/9 00:50	73.2	↑0.2
4/9 01:00	73.5	↑0.3
4/9 01:10	73.9	↑0.4
4/9 01:20	74.5	↑0.6
4/9 01:30	75.2	↑0.7
4/9 01:40	76.0	↑0.8
4/9 01:50	76.9	↑0.9
4/9 02:00	77.9	↑1.0
4/9 02:10	79.0	↑1.1
4/9 02:20	80.1	↑1.1
4/9 02:30	81.4	↑1.3
4/9 02:40	82.7	↑1.3
4/9 02:50	84.0	↑1.3
4/9 03:00	85.4	↑1.4
4/9 03:10	86.8	↑1.4
4/9 03:20	88.2	↑1.4
4/9 03:30	89.6	↑1.4
4/9 03:40	90.9	↑1.3
4/9 03:50	92.3	↑1.4
4/9 04:00	93.7	↑1.4
4/9 04:10	94.9	↑1.2
4/9 04:20	96.2	↑1.3
4/9 04:30	97.4	↑1.2
4/9 04:40	98.5	↑1.1
4/9 04:50	99.5	↑1.0
4/9 05:00	100.4	↑0.9
4/9 05:10	101.3	↑0.9
4/9 05:20	102.0	↑0.7
4/9 05:30	102.6	↑0.6
4/9 05:40	103.0	↑0.4
4/9 05:50	103.4	↑0.4
4/9 06:00	103.6	↑0.2	満潮
4/9 06:10	103.6	0
4/9 06:20	103.5	↓-0.1
4/9 06:30	103.2	↓-0.3
4/9 06:40	102.8	↓-0.4
4/9 06:50	102.2	↓-0.6
4/9 07:00	101.4	↓-0.8
4/9 07:10	100.4	↓-1.0
4/9 07:20	99.2	↓-1.2
4/9 07:30	97.9	↓-1.3
4/9 07:40	96.3	↓-1.6
4/9 07:50	94.6	↓-1.7
4/9 08:00	92.7	↓-1.9
4/9 08:10	90.7	↓-2.0
4/9 08:20	88.5	↓-2.2
4/9 08:30	86.1	↓-2.4
4/9 08:40	83.5	↓-2.6
4/9 08:50	80.8	↓-2.7
4/9 09:00	78.0	↓-2.8
4/9 09:10	75.1	↓-2.9
4/9 09:20	72.1	↓-3.0
4/9 09:30	69.0	↓-3.1
4/9 09:40	65.8	↓-3.2
4/9 09:50	62.6	↓-3.2
4/9 10:00	59.3	↓-3.3	最大潮位差
4/9 10:10	56.0	↓-3.3	最大潮位差
4/9 10:20	52.8	↓-3.2
4/9 10:30	49.5	↓-3.3	最大潮位差
4/9 10:40	46.3	↓-3.2
4/9 10:50	43.2	↓-3.1
4/9 11:00	40.1	↓-3.1
4/9 11:10	37.2	↓-2.9
4/9 11:20	34.4	↓-2.8
4/9 11:30	31.7	↓-2.7
4/9 11:40	29.1	↓-2.6
4/9 11:50	26.8	↓-2.3
4/9 12:00	24.6	↓-2.2
4/9 12:10	22.5	↓-2.1
4/9 12:20	20.7	↓-1.8
4/9 12:30	19.1	↓-1.6
4/9 12:40	17.8	↓-1.3
4/9 12:50	16.6	↓-1.2
4/9 13:00	15.6	↓-1.0
4/9 13:10	14.9	↓-0.7
4/9 13:20	14.4	↓-0.5
4/9 13:30	14.1	↓-0.3	干潮
4/9 13:40	14.1	0
4/9 13:50	14.2	↑0.1
4/9 14:00	14.6	↑0.4
4/9 14:10	15.2	↑0.6
4/9 14:20	16.0	↑0.8
4/9 14:30	16.9	↑0.9
4/9 14:40	18.0	↑1.1
4/9 14:50	19.3	↑1.3
4/9 15:00	20.8	↑1.5
4/9 15:10	22.4	↑1.6
4/9 15:20	24.2	↑1.8
4/9 15:30	26.1	↑1.9
4/9 15:40	28.1	↑2.0
4/9 15:50	30.2	↑2.1
4/9 16:00	32.4	↑2.2
4/9 16:10	34.6	↑2.2
4/9 16:20	37.0	↑2.4
4/9 16:30	39.4	↑2.4
4/9 16:40	41.9	↑2.5
4/9 16:50	44.4	↑2.5
4/9 17:00	46.9	↑2.5
4/9 17:10	49.5	↑2.6
4/9 17:20	52.0	↑2.5
4/9 17:30	54.6	↑2.6
4/9 17:40	57.1	↑2.5
4/9 17:50	59.6	↑2.5
4/9 18:00	62.1	↑2.5
4/9 18:10	64.5	↑2.4
4/9 18:20	66.8	↑2.3
4/9 18:30	69.1	↑2.3
4/9 18:40	71.3	↑2.2
4/9 18:50	73.4	↑2.1
4/9 19:00	75.4	↑2.0
4/9 19:10	77.2	↑1.8
4/9 19:20	79.0	↑1.8
4/9 19:30	80.6	↑1.6
4/9 19:40	82.1	↑1.5
4/9 19:50	83.5	↑1.4
4/9 20:00	84.7	↑1.2
4/9 20:10	85.7	↑1.0
4/9 20:20	86.6	↑0.9
4/9 20:30	87.4	↑0.8
4/9 20:40	88.0	↑0.6
4/9 20:50	88.4	↑0.4
4/9 21:00	88.8	↑0.4
4/9 21:10	88.9	↑0.1	満潮
4/9 21:20	88.9	0
4/9 21:30	88.8	↓-0.1
4/9 21:40	88.6	↓-0.2
4/9 21:50	88.3	↓-0.3
4/9 22:00	87.8	↓-0.5
4/9 22:10	87.3	↓-0.5
4/9 22:20	86.7	↓-0.6
4/9 22:30	86.1	↓-0.6
4/9 22:40	85.3	↓-0.8
4/9 22:50	84.6	↓-0.7
4/9 23:00	83.8	↓-0.8
4/9 23:10	83.0	↓-0.8
4/9 23:20	82.3	↓-0.7
4/9 23:30	81.5	↓-0.8
4/9 23:40	80.8	↓-0.7
4/9 23:50	80.1	↓-0.7