9 (土)	06:17	00:10	19:34	12:55
	110cm	51cm	92cm	23cm
中潮 出 05:58 入 17:41 出 08:10 入 22:31 潮干狩り ○ 11:33～14:21

那珂湊（茨城）2030年03月9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
3/9 00:00	50.1	↓-0.3	干潮
3/9 00:10	50.0	↓-0.1	干潮
3/9 00:20	50.2	↑0.2
3/9 00:30	50.5	↑0.3
3/9 00:40	51.1	↑0.6
3/9 00:50	51.8	↑0.7
3/9 01:00	52.8	↑1.0
3/9 01:10	54.0	↑1.2
3/9 01:20	55.3	↑1.3
3/9 01:30	56.9	↑1.6
3/9 01:40	58.5	↑1.6
3/9 01:50	60.4	↑1.9
3/9 02:00	62.3	↑1.9
3/9 02:10	64.4	↑2.1
3/9 02:20	66.6	↑2.2
3/9 02:30	68.9	↑2.3
3/9 02:40	71.3	↑2.4
3/9 02:50	73.7	↑2.4
3/9 03:00	76.1	↑2.4
3/9 03:10	78.6	↑2.5
3/9 03:20	81.1	↑2.5
3/9 03:30	83.6	↑2.5
3/9 03:40	86.1	↑2.5
3/9 03:50	88.5	↑2.4
3/9 04:00	90.8	↑2.3
3/9 04:10	93.1	↑2.3
3/9 04:20	95.3	↑2.2
3/9 04:30	97.4	↑2.1
3/9 04:40	99.4	↑2.0
3/9 04:50	101.2	↑1.8
3/9 05:00	102.9	↑1.7
3/9 05:10	104.4	↑1.5
3/9 05:20	105.7	↑1.3
3/9 05:30	106.9	↑1.2
3/9 05:40	107.8	↑0.9
3/9 05:50	108.5	↑0.7
3/9 06:00	109.0	↑0.5
3/9 06:10	109.3	↑0.3	満潮
3/9 06:20	109.3	0
3/9 06:30	109.1	↓-0.2
3/9 06:40	108.6	↓-0.5
3/9 06:50	107.9	↓-0.7
3/9 07:00	106.9	↓-1.0
3/9 07:10	105.7	↓-1.2
3/9 07:20	104.2	↓-1.5
3/9 07:30	102.5	↓-1.7
3/9 07:40	100.5	↓-2.0
3/9 07:50	98.4	↓-2.1
3/9 08:00	96.0	↓-2.4
3/9 08:10	93.4	↓-2.6
3/9 08:20	90.6	↓-2.8
3/9 08:30	87.7	↓-2.9
3/9 08:40	84.6	↓-3.1
3/9 08:50	81.4	↓-3.2
3/9 09:00	78.1	↓-3.3
3/9 09:10	74.6	↓-3.5
3/9 09:20	71.2	↓-3.4
3/9 09:30	67.7	↓-3.5
3/9 09:40	64.1	↓-3.6	最大潮位差
3/9 09:50	60.6	↓-3.5
3/9 10:00	57.2	↓-3.4
3/9 10:10	53.8	↓-3.4
3/9 10:20	50.4	↓-3.4
3/9 10:30	47.2	↓-3.2
3/9 10:40	44.1	↓-3.1
3/9 10:50	41.1	↓-3.0
3/9 11:00	38.4	↓-2.7
3/9 11:10	35.8	↓-2.6
3/9 11:20	33.4	↓-2.4
3/9 11:30	31.2	↓-2.2
3/9 11:40	29.2	↓-2.0
3/9 11:50	27.5	↓-1.7
3/9 12:00	26.0	↓-1.5
3/9 12:10	24.7	↓-1.3
3/9 12:20	23.7	↓-1.0
3/9 12:30	23.0	↓-0.7
3/9 12:40	22.5	↓-0.5
3/9 12:50	22.3	↓-0.2	干潮
3/9 13:00	22.3	0
3/9 13:10	22.6	↑0.3
3/9 13:20	23.1	↑0.5
3/9 13:30	23.8	↑0.7
3/9 13:40	24.8	↑1.0
3/9 13:50	25.9	↑1.1
3/9 14:00	27.3	↑1.4
3/9 14:10	28.8	↑1.5
3/9 14:20	30.6	↑1.8
3/9 14:30	32.5	↑1.9
3/9 14:40	34.5	↑2.0
3/9 14:50	36.7	↑2.2
3/9 15:00	39.0	↑2.3
3/9 15:10	41.4	↑2.4
3/9 15:20	43.9	↑2.5
3/9 15:30	46.4	↑2.5
3/9 15:40	49.1	↑2.7
3/9 15:50	51.7	↑2.6
3/9 16:00	54.4	↑2.7
3/9 16:10	57.2	↑2.8
3/9 16:20	59.9	↑2.7
3/9 16:30	62.5	↑2.6
3/9 16:40	65.2	↑2.7
3/9 16:50	67.8	↑2.6
3/9 17:00	70.3	↑2.5
3/9 17:10	72.8	↑2.5
3/9 17:20	75.2	↑2.4
3/9 17:30	77.4	↑2.2
3/9 17:40	79.6	↑2.2
3/9 17:50	81.6	↑2.0
3/9 18:00	83.4	↑1.8
3/9 18:10	85.1	↑1.7
3/9 18:20	86.6	↑1.5
3/9 18:30	88.0	↑1.4
3/9 18:40	89.1	↑1.1
3/9 18:50	90.1	↑1.0
3/9 19:00	90.8	↑0.7
3/9 19:10	91.4	↑0.6
3/9 19:20	91.8	↑0.4
3/9 19:30	91.9	↑0.1	満潮
3/9 19:40	91.9	0
3/9 19:50	91.6	↓-0.3
3/9 20:00	91.2	↓-0.4
3/9 20:10	90.6	↓-0.6
3/9 20:20	89.7	↓-0.9
3/9 20:30	88.8	↓-0.9
3/9 20:40	87.6	↓-1.2
3/9 20:50	86.3	↓-1.3
3/9 21:00	84.9	↓-1.4
3/9 21:10	83.4	↓-1.5
3/9 21:20	81.8	↓-1.6
3/9 21:30	80.1	↓-1.7
3/9 21:40	78.4	↓-1.7
3/9 21:50	76.6	↓-1.8
3/9 22:00	74.8	↓-1.8
3/9 22:10	73.0	↓-1.8
3/9 22:20	71.3	↓-1.7
3/9 22:30	69.5	↓-1.8
3/9 22:40	67.9	↓-1.6
3/9 22:50	66.3	↓-1.6
3/9 23:00	64.8	↓-1.5
3/9 23:10	63.4	↓-1.4
3/9 23:20	62.2	↓-1.2
3/9 23:30	61.1	↓-1.1
3/9 23:40	60.2	↓-0.9
3/9 23:50	59.4	↓-0.8